content
string
quality_label
int64
meta
string
all-MiniLM-L6-v2_embedding
list
doc_id
int64
unique_id
string
four term polynomial with gcf October 9th 2010, 07:19 AM #1 Senior Member Joined Jul 2010 Posts 358 Thanks 4 four term polynomial with gcf Hi all; I need to factor 16x^3y^3 +16 - 8y^3 - 32x^3 which is a four term polynomial with a common factor of 8, giving 8(2x^3y^3 +2 -y^3 - 4x^3) rearranging t...
4
[ 0.0498046875, -0.04345703125, 0.00017833709716796875, -0.0162353515625, 0.034912109375, 0.0103759765625, -0.03466796875, -0.028076171875, -0.02392578125, -0.03369140625, 0.038330078125, -0.006744384765625, 0.0196533203125, 0.042236328125, 0.047119140625, 0.10986328125, -0.05029296875...
7,100
7100
a,b,c,d are real ,prove this December 1st 2008, 10:36 PM #1 a,b,c,d are real ,prove this Given a,b,c,d as 4 real numbers Avoiding method of contradiction prove $<br /> a-b^2 , b - c^2 , c-d^2 , d- a^2 <br />$ cant all be greater than $\frac{1}{4}$? Thanks to the helper Hi, Let $...
5
[ -0.01312255859375, 0.0191650390625, 0.038330078125, -0.08203125, -0.08544921875, -0.00262451171875, -0.1513671875, 0.037841796875, 0.0167236328125, 0.0242919921875, -0.051025390625, -0.03662109375, 0.050048828125, -0.0030670166015625, -0.0145263671875, 0.04150390625, 0.0400390625, ...
7,101
7101
limit problem_ass4_9 $lim_{x \to \infty} \frac{ln(e^{3x}-5x)}{x}$ How I can solve this ? I tried L'Hospital's but I stuck ... hmmm.... after using L.H rule once you should get $\lim_{x \to \infty}\frac{\frac{3e^{3x}-5}{e^{3x}-5x}}{1}= \lim_{x \to \infty}\frac{3e^{3x}-5}{e^{3x}-5x}$ This is still of the form infinity o...
5
[ -0.027099609375, -0.001251220703125, 0.060302734375, -0.10400390625, 0.06640625, -0.038818359375, 0.003326416015625, -0.0162353515625, 0.017578125, 0.0211181640625, 0.0908203125, -0.06103515625, 0.050537109375, 0.004669189453125, 0.04345703125, 0.015380859375, -0.05810546875, 0.018...
7,102
7102
Vectors and invertible matrix October 25th 2009, 11:50 AM #1 Member Joined Oct 2008 Posts 124 Vectors and invertible matrix Consider two vectors v1 and v2 in R^n. They form the matrix G = [(v1 dot v1) (v1 dot v2)] [(v2 dot v1) (v2 dot v2)]. For which choices of v1 and v2 is the matrix G invertib...
5
[ -0.0634765625, -0.05224609375, -0.035400390625, -0.039794921875, 0.11083984375, -0.06689453125, -0.052978515625, -0.04052734375, -0.0400390625, -0.0517578125, 0.00762939453125, 0.0123291015625, -0.044189453125, -0.02734375, -0.050537109375, 0.050048828125, 0.032470703125, -0.012023...
7,103
7103
tricky group proof March 14th 2011, 12:30 PM #1 Banned Joined Mar 2011 Posts 118 tricky group proof Show that any group of order 10 is either cyclic (so isomorphic to Z10), or is isomorphic to the dihedral group D5 of order 10 (symmetries of a regular pentagon). I have no idea how ...
5
[ -0.1396484375, 0.048828125, 0.10888671875, -0.0264892578125, 0.0771484375, -0.03173828125, 0.0299072265625, -0.0262451171875, -0.0810546875, 0.00238037109375, 0.011962890625, 0.052978515625, -0.00909423828125, 0.049072265625, -0.00946044921875, 0.00726318359375, 0.0000158548355102539...
7,104
7104
Expected Value April 28th 2009, 12:13 PM #1 Junior Member Joined Sep 2008 Posts 46 Expected Value Confused in this section.. help appreciated.. If anyone can help with this... is there not a calculator function that will help?? Two examples: In a lottery 3,000,000 tickets are sold at a dol...
4
[ 0.00396728515625, 0.06884765625, -0.0184326171875, -0.1162109375, -0.01141357421875, 0.0108642578125, 0.08056640625, 0.0230712890625, 0.01318359375, 0.04638671875, -0.057861328125, -0.052978515625, 0.07470703125, -0.004425048828125, 0.01458740234375, -0.04345703125, -0.044189453125, ...
7,105
7105
degree of a path, path homotopy. March 18th 2009, 03:08 PM math8 degree of a path, path homotopy. Let f and g be loops in the unit circle S^1 with base point (1,0). We show if deg(f)=deg(g), then f and g are path homotopic. I know f,g: [0,1]-->S^1 and there must be unique paths f* and g* (lifting paths) s.t...
5
[ -0.0859375, 0.0244140625, -0.03955078125, 0.06689453125, -0.01165771484375, 0.052490234375, 0.06982421875, 0.036865234375, -0.01324462890625, -0.053466796875, -0.01141357421875, 0.0302734375, -0.013916015625, -0.047607421875, -0.00860595703125, -0.072265625, -0.0703125, 0.004791259...
7,106
7106
Perfect Square Test August 30th 2009, 02:56 PM #1 Perfect Square Test Are there any tests you can perform to see whether an integer is a perfect square? The number I want to test is odd. The only test I know is: If $k$ is odd, then $k^2 \equiv 1 \mod 8$. Unfortunately, the number I have passes this test. Are ...
4
[ -0.00634765625, 0.0033721923828125, 0.0030517578125, 0.04248046875, 0.052490234375, 0.0498046875, 0.033447265625, 0.05859375, -0.043701171875, -0.0027008056640625, -0.00927734375, 0.00180816650390625, 0.02978515625, 0.08056640625, -0.04150390625, -0.09326171875, 0.00872802734375, 0...
7,107
7107
a=3n^(n-1)+2(-1)^n for neN July 12th 2010, 04:43 PM #1 Newbie a=3n^(n-1)+2(-1)^n for neN Try induction, it's real easy in this case. Hello, jess0517! We can prove it by deriving that function ourselves . . . $\text{Let }\{a\} \text{ be a sequence satisfying:}$ . . $a_1 = 1,\;\;a_2 = 8,\;\;a...
5
[ -0.11328125, -0.0159912109375, 0.0164794921875, -0.027099609375, -0.060791015625, 0.0164794921875, 0.0017547607421875, 0.076171875, -0.01904296875, -0.0123291015625, -0.025146484375, -0.0830078125, 0.052001953125, 0.0027313232421875, -0.0159912109375, -0.0194091796875, -0.04931640625...
7,108
7108
Product Differentiation March 27th 2009, 10:52 AM Junesong Product Differentiation This is a homework problem on the Algebra of Derivatives section in my text. I'm not sure if I'm handling the $f(x^3)$ part correctly. Any suggestions (or if it's right, let me know) would help ease my mind greatly. Probl...
5
[ -0.0111083984375, -0.0034942626953125, -0.0517578125, 0.03466796875, -0.03662109375, 0.00958251953125, 0.0693359375, -0.049072265625, -0.0223388671875, 0.0458984375, 0.07421875, 0.0322265625, 0.0299072265625, -0.0245361328125, 0.0205078125, 0.040771484375, -0.056884765625, 0.059570...
7,109
7109
Math Forum Discussions Math Forum Ask Dr. Math Discussions Internet Newsletter MathTools Teacher2Teacher Teacher Exchange Workshops Search All of the Math Forum: Views expressed in these public forums are not endorsed by Drexel University or The Math Forum. Topic: Word Problem help Replies: 7 Last Post: Feb 9, 201...
4
[ -0.04052734375, 0.01226806640625, 0.037841796875, 0.01953125, -0.042724609375, -0.0203857421875, 0.05517578125, 0.0125732421875, -0.044677734375, 0.022705078125, 0.01708984375, -0.01513671875, 0.054931640625, 0.08056640625, -0.00384521484375, 0.10498046875, -0.0228271484375, -0.023...
7,110
7110
What is the most simple non-planar Gorenstein curve singularity? up vote 9 down vote favorite 1 Let $R$ be a reduced curve singularity over an algebraically closed field $k$ and $\tilde{R}$ its integral closure in its total ring of fractions. The $k$-dimension of $\tilde{R}/R$ is finite. If we assume $R$ is non-plana...
5
[ 0.059326171875, -0.005279541015625, -0.042236328125, 0.01104736328125, 0.0064697265625, -0.03857421875, -0.022216796875, 0.09033203125, -0.016845703125, -0.0281982421875, -0.06005859375, -0.00421142578125, -0.07275390625, 0.0164794921875, -0.0234375, -0.003875732421875, -0.0693359375...
7,111
7111
Algebraicity of holomorphic representations of a semisimple complex linear algebraic group up vote 7 down vote favorite 2 Let $G$ be a complex linear algebraic group, given to us as a closed subgroup of some $\mathrm{GL}(n,\mathbb{C})$. Suppose moreover that $G$ is semisimple. Then it's a fact that every finite-dimens...
5
[ -0.1533203125, -0.0028076171875, 0.0023193359375, 0.11279296875, -0.0179443359375, 0.01287841796875, -0.034912109375, -0.0966796875, 0.01397705078125, -0.0751953125, -0.0079345703125, -0.000820159912109375, -0.0966796875, 0.0291748046875, -0.00604248046875, -0.07177734375, -0.0040893...
7,112
7112
Limits involving infinity April 18th 2010, 04:27 AM #1 Banned Joined Apr 2010 Posts 58 Limits involving infinity Hello could someone please help me with this question: Find the limit of 2-x / (x - 1)^2 as x-> 1 What happened to the 2 in the numerator? And if you sub in x=1 for the denominator it equ...
4
[ -0.0419921875, -0.0283203125, 0.00634765625, 0.035400390625, 0.0218505859375, -0.035888671875, -0.055908203125, 0.0228271484375, 0.0361328125, 0.01708984375, 0.01458740234375, -0.0133056640625, 0.08935546875, 0.08447265625, -0.01104736328125, 0.0361328125, -0.00006198883056640625, ...
7,113
7113
Trig Exreme Values November 7th 2009, 04:02 PM john-1 Trig Exreme Values Determine the extreme values of the following function in the given interval. f(x)=2sin4x+3 , XE [0, pi] This is my work: f'(x)=2cos4x (4) f'(x)=8cos4x Now I am trying to find the critical numbers, but I'm not sure h...
4
[ -0.0022430419921875, 0.041015625, -0.005950927734375, -0.0294189453125, -0.06884765625, 0.07421875, -0.00848388671875, 0.1279296875, -0.0030517578125, 0.0361328125, 0.10009765625, -0.0546875, 0.0595703125, 0.01123046875, -0.0003490447998046875, -0.046142578125, 0.034423828125, -0.0...
7,114
7114
Finding square roots Date: 6/17/96 at 14:42:9 From: Lori Brennan Subject: Finding square roots Jessica Baker wants to know how to find a square root of a number. She's a fifth grader. Date: 6/19/96 at 11:8:11 From: Doctor Dave Subject: Re: Finding square roots Dear Jessica, The best way to find the square root i...
4
[ 0.04638671875, 0.02880859375, 0.0810546875, 0.01953125, -0.08056640625, 0.0277099609375, -0.12109375, 0.103515625, 0.05126953125, 0.0244140625, 0.0155029296875, 0.043701171875, -0.0157470703125, 0.019287109375, -0.06982421875, 0.0004673004150390625, -0.0390625, 0.0732421875, -0.0...
7,115
7115
Math Forum Discussions Re: Derivative of a multivariable function by another multivariable function Posted: Apr 6, 2013 3:12 AM On Fri, 5 Apr 2013, henuaenata wrote: > > I am trying to figure out how to write the derivative of a multivariable > function by another multivariable function. > > For example, how to derive...
5
[ -0.0308837890625, -0.06884765625, -0.00469970703125, -0.0673828125, -0.03955078125, -0.0458984375, 0.035400390625, -0.021728515625, -0.016845703125, 0.0947265625, 0.00009918212890625, 0.06005859375, 0.0218505859375, -0.0054931640625, 0.0137939453125, 0.07421875, -0.10791015625, 0.0...
7,116
7116
Irrational equation explanation February 9th 2006, 03:41 AM DenMac21 Irrational equation explanation I have a problem again with irrational equation. I have to solve this equation: $\sqrt[3]{x} + \sqrt[3]{{2x - 3}} = \sqrt[3]{{12(x - 1)}}$ I have solve it like this: $\left( {\sqrt[3]{x} + \sqrt...
4
[ 0.0181884765625, -0.03857421875, -0.08642578125, 0.00958251953125, -0.07421875, -0.033447265625, 0.004547119140625, -0.0498046875, 0.007476806640625, -0.0166015625, -0.0281982421875, 0.040283203125, 0.06494140625, -0.0126953125, 0.0517578125, -0.0203857421875, -0.059814453125, -0.0...
7,117
7117
Finding smallest n for finite sum May 9th 2009, 04:59 PM #1 Finding smallest n for finite sum Find smallest n so that the finite sum $\sum_{k=1}^{n}\frac{(-2)^{k}}{k!}$ is certain to differ from $\sum_{k=1}^{\infty}\frac{(-2)^{k}}{k!}$ by less than .001. So I set up the inequality: $a_{n+1} \le .001$ ...
5
[ -0.00225830078125, -0.034912109375, -0.050537109375, -0.00958251953125, -0.05615234375, -0.0654296875, -0.04345703125, 0.06884765625, -0.04248046875, 0.059814453125, -0.0296630859375, -0.095703125, -0.03173828125, -0.0016326904296875, -0.051025390625, 0.004638671875, 0.10205078125, ...
7,118
7118
Use Math to Cheat People out of Holiday Treats! It's the skeeball prize wall of adulthood – a jar filled with candy, coins, or some other tiny trinket. A person at the front of the room compels you to guess the amount in the jar for free, or for a small donation to charity. You could throw a number out off the top of...
4
[ 0.0225830078125, 0.044921875, 0.01251220703125, -0.0091552734375, -0.06689453125, -0.000438690185546875, 0.0537109375, 0.033447265625, -0.028076171875, 0.005584716796875, -0.01422119140625, -0.07470703125, 0.03662109375, 0.059814453125, 0.06298828125, -0.09326171875, 0.059326171875, ...
7,119
7119
Trig Identities Help May 5th 2009, 12:54 AM #1 Newbie Joined Apr 2009 Posts 18 Trig Identities Help Hi guys, im doing a Maths quiz, and have gone through the basic Trig Identity stuff, but I am stuck on 2 questions....Anyone give me an idea what to do? Which of the following is equal to (1 − cos2y)(...
4
[ -0.032470703125, 0.022216796875, 0.01708984375, -0.0181884765625, 0.0247802734375, 0.0478515625, 0.01275634765625, -0.021728515625, 0.0029144287109375, 0.0201416015625, 0.068359375, -0.11962890625, -0.01416015625, 0.07373046875, 0.06201171875, 0.0301513671875, 0.01495361328125, 0.0...
7,120
7120
Using change of variables to find indefinite integrals April 26th 2011, 11:22 PM #1 Newbie Joined Apr 2011 Posts 12 Using change of variables to find indefinite integrals These problems are destroying my mind. \int 1/((10x-3)^2) So far I've... \int u^2 1/udu, u=10x-3 After this is where my...
5
[ -0.01129150390625, -0.054931640625, 0.034912109375, -0.020751953125, 0.0036773681640625, 0.0155029296875, 0.0020294189453125, -0.0556640625, 0.0245361328125, -0.05859375, 0.054931640625, -0.021728515625, -0.031005859375, 0.060302734375, -0.06005859375, -0.054931640625, 0.02392578125,...
7,121
7121
trace Context Monoidal categories With symmetry With duals for objects With duals for morphisms With traces Closed structure Special sorts of products Semisimplicity Morphisms Examples Theorems In higher category theory Linear algebra Background Variations Definitions Paths and cylinders Homotopy grou...
5
[ -0.00970458984375, -0.035888671875, 0.01300048828125, 0.0011749267578125, -0.07568359375, 0.00640869140625, -0.0252685546875, 0.0302734375, -0.033203125, -0.002685546875, -0.017333984375, -0.0419921875, -0.10009765625, 0.047119140625, 0.05126953125, 0.06640625, 0.0101318359375, 0.1...
7,122
7122
Help with trig functions please May 17th 2009, 09:25 AM #1 Junior Member Joined Jan 2009 Posts 36 Help with trig functions please I need to know how $1-\cos(2\arcsin\frac{s}{4}) = \frac{s^{2}}{8}$ and how $\sin(2\arcsin\frac{s}{4}) = 2\frac{s}{4}\sqrt{1-\frac{s^{2}}{16}}$ I know the r...
4
[ -0.0478515625, 0.00946044921875, 0.01904296875, 0.01239013671875, -0.0089111328125, -0.041015625, -0.06884765625, 0.0595703125, 0.030029296875, 0.0233154296875, 0.009765625, -0.0211181640625, 0.01507568359375, 0.04443359375, -0.033447265625, 0.045654296875, 0.045166015625, -0.00491...
7,123
7123
power series, radius of convergence. January 25th 2008, 09:19 AM rcmango power series, radius of convergence. I've posted a few steps of the problem i solved in the pic: http://img180.imageshack.us/img180/9913/26377643by1.png however, what is the radius of convergence? i got the interval to be [0, 1] ...
5
[ 0.01025390625, 0.0380859375, -0.00113677978515625, 0.07421875, -0.012451171875, 0.02001953125, -0.03662109375, 0.0108642578125, -0.004852294921875, -0.049072265625, 0.022705078125, -0.035400390625, 0.06591796875, 0.08154296875, -0.08447265625, -0.0164794921875, 0.04541015625, -0.08...
7,124
7124
Math Forum Discussions Math Forum Ask Dr. Math Discussions Internet Newsletter MathTools Teacher2Teacher Teacher Exchange Workshops Search All of the Math Forum: Views expressed in these public forums are not endorsed by Drexel University or The Math Forum. Topic: Spiral with constant velocity (same distance betwe...
4
[ -0.1083984375, 0.01318359375, -0.02294921875, -0.00138092041015625, -0.0791015625, 0.0458984375, -0.048583984375, 0.001007080078125, 0.0400390625, -0.0291748046875, 0.10546875, 0.0291748046875, -0.00506591796875, 0.03955078125, -0.059814453125, -0.005584716796875, -0.013427734375, ...
7,125
7125
Stochastic Matrix/Steady-State vector November 6th 2006, 05:28 PM #1 Member Joined May 2006 Posts 148 Thanks 1 Stochastic Matrix/Steady-State vector Suppose that we have a nucloetide string consisting of A, C, G, and T. We are interested in the regions which are "CG rich". In one of the "CG rich" reg...
4
[ -0.08447265625, -0.0211181640625, -0.015869140625, -0.04541015625, -0.0703125, -0.017333984375, -0.0279541015625, 0.01397705078125, 0.013916015625, 0.036376953125, 0.0517578125, 0.019775390625, 0.00628662109375, -0.08203125, -0.08251953125, 0.0155029296875, -0.07861328125, -0.01647...
7,126
7126
[SOLVED] Linear combination of a vector S March 23rd 2010, 05:17 PM mybrohshi5 [SOLVED] Linear combination of a vector S Let S be = $<br /> \begin{bmatrix}2 \\ 1 \\ 0 \\ 4 \\ \end{bmatrix} \begin{bmatrix}1 \\ 3 \\ 4 \\ -4 \\ \end{bmatrix} \begin{bmatrix}3 \\ 4 \\ 4 \\ 0 \\ \end{bmatrix} \begin{bmatrix}4 \\ -3 \\...
5
[ -0.0208740234375, 0.00408935546875, -0.04736328125, -0.0245361328125, 0.0517578125, 0.06494140625, 0.0478515625, -0.055419921875, -0.10205078125, -0.0458984375, -0.033447265625, -0.01092529296875, 0.047607421875, -0.01202392578125, -0.1005859375, -0.0091552734375, 0.0234375, -0.050...
7,127
7127
(Multivariable/Lagrange Multipliers) Find the maximum volume November 15th 2012, 07:40 PM jessicadowning (Multivariable/Lagrange Multipliers) Find the maximum volume Find the dimensions (height and radius) of a right circular cylinder of maximum volume that can be inscribed in a sphere of radius 18. November 15...
4
[ 0.03759765625, 0.0400390625, -0.05029296875, -0.07861328125, -0.0059814453125, 0.0250244140625, -0.039794921875, 0.08251953125, -0.0390625, -0.016845703125, -0.09375, 0.00958251953125, 0.039306640625, 0.10400390625, -0.018798828125, -0.0262451171875, 0.02783203125, 0.07080078125, ...
7,128
7128
Determining Limiting Distributions October 16th 2009, 11:31 AM #1 Member Joined Oct 2009 Posts 218 Determining Limiting Distributions 1. Let Xn denote the mean of a random sample of size n from a distribution that is $N(\mu, \sigma ^2)$. Find the Limiting distribution of Xn. 2. Let Y1 denote the fir...
5
[ -0.15234375, -0.048828125, 0.03955078125, -0.0174560546875, 0.02490234375, -0.047607421875, 0.005218505859375, -0.0016937255859375, 0.000027060508728027344, -0.0400390625, 0.056640625, 0.00469970703125, -0.0036163330078125, -0.0252685546875, -0.025634765625, 0.00262451171875, 0.03002...
7,129
7129
Math Help June 17th 2014, 07:54 PM #1 Newbie Joined Jun 2014 From Florida Posts 2 10^80! I understand that factorials are more of a pre-algebra subject, but with a number such as 10^80, I believe it is a little more "Higher Level" than that. I also don't feel like taking all eternity to do the m...
5
[ 0.00933837890625, -0.08203125, -0.005340576171875, 0.06787109375, 0.0245361328125, 0.00064849853515625, 0.0673828125, 0.0751953125, -0.006011962890625, 0.050537109375, 0.04736328125, -0.037353515625, 0.005645751953125, 0.0235595703125, 0.0390625, 0.0120849609375, 0.004913330078125, ...
7,130
7130
and Permutation Combinations, Permutations, and Counting Events The solution to many statistical experiments involves being able to count the number of points in a sample space. Counting points can be hard, tedious, or both. Fortunately, there are ways to make the counting task easier. This lesson focuses on three r...
4
[ 0.0126953125, -0.006744384765625, 0.00121307373046875, 0.0037689208984375, -0.009765625, 0.02978515625, 0.11279296875, -0.0123291015625, 0.11181640625, 0.034912109375, -0.006744384765625, 0.01251220703125, 0.072265625, 0.0267333984375, 0.006622314453125, 0.04150390625, -0.03247070312...
7,131
7131
Matrices Help November 16th 2008, 09:50 PM #1 Member Joined Nov 2008 Posts 76 Matrices Help Determine which of the following formulas hold for all invertible nxn matrices A and B? 1. A+B is invertible 2. (I - A)(I + A) = I - A^2 3. A^9 is invertible 4. (A + A^-1)^3 = A^3 + A^-3 5. AB...
4
[ -0.09716796875, -0.011474609375, -0.0703125, -0.005279541015625, -0.039306640625, -0.021484375, 0.0478515625, -0.0654296875, -0.01409912109375, -0.02783203125, 0.05810546875, -0.026611328125, 0.037841796875, -0.01025390625, -0.0166015625, 0.060302734375, -0.037353515625, -0.0336914...
7,132
7132
Finding unknown base from equation January 28th 2011, 07:36 PM xEnOn Finding unknown base from equation I am given this equation of an unknown base: $x^2 - 10x +25$ It has a solution of x=5 and x=8 which are likely to be in our base 10. I tried to find out the unknown base by comparing the co-effici...
4
[ -0.068359375, 0.027587890625, 0.033935546875, -0.043701171875, 0.037353515625, 0.0113525390625, -0.0166015625, 0.0791015625, -0.01336669921875, -0.05419921875, 0.01007080078125, -0.04150390625, 0.0625, 0.0225830078125, 0.028076171875, 0.095703125, -0.0390625, 0.0322265625, -0.008...
7,133
7133
Partial derivatives and the chain rule June 18th 2013, 11:46 PM 99.95 Partial derivatives and the chain rule Im revising for an exam i have next week, and cannot for my life understand the solutions to this previous exam question: http://i.imgur.com/hLGMwIp.jpg Is this essentially the same question as:...
5
[ -0.099609375, 0.002685546875, 0.0791015625, -0.007354736328125, 0.00848388671875, -0.0081787109375, -0.007537841796875, 0.056396484375, -0.008056640625, 0.055908203125, 0.004547119140625, 0.0703125, 0.031494140625, 0.0283203125, -0.0172119140625, -0.0361328125, -0.041259765625, 0.0...
7,134
7134
Need Help Solving a problem for work November 2nd 2012, 08:09 AM macleodjb Need Help Solving a problem for work Hi All, I've been tasked at work for create an excel based product library for my company which will product parts. I'm working on a product that needs to be parametric. Please see the attached im...
5
[ -0.044189453125, -0.01123046875, -0.0654296875, -0.07470703125, -0.02294921875, -0.010986328125, -0.043212890625, 0.109375, -0.041748046875, -0.0576171875, -0.006805419921875, 0.01806640625, 0.0308837890625, 0.01806640625, 0.01483154296875, 0.0751953125, -0.07080078125, -0.01611328...
7,135
7135
partial fractions January 21st 2007, 06:58 AM #1 Junior Member Joined Oct 2006 Posts 36 partial fractions I'm getting stuck on these, so if someone can please help, I'd really appreciate it. Use partial fractions to evaluate the integral. 1. ∫(3xsquared - 2x + 12) / (xsquared + 4) squared ...
5
[ -0.03271484375, 0.017578125, 0.0220947265625, -0.002685546875, 0.00823974609375, 0.056396484375, -0.08642578125, -0.017822265625, 0.0101318359375, -0.060791015625, 0.003326416015625, -0.053466796875, -0.03662109375, 0.0022735595703125, -0.047119140625, 0.05712890625, 0.03662109375, ...
7,136
7136
[SOLVED] Algebra homework - please check if right -&gt; August 14th 2008, 02:29 PM #1 Junior Member Joined Jul 2008 Posts 37 MMMMMMMMi3 VF = PV (1 + E mmI N) mmmmmmmmj=2mmj j if, Pv=2000$ I1=9% N1=1 month I2=6% N2=2 months I3=8% N3=3 months find VF VF = 2...
4
[ -0.040771484375, 0.01495361328125, 0.0000019222497940063477, 0.01611328125, 0.0091552734375, -0.022216796875, -0.0096435546875, 0.00885009765625, -0.0703125, 0.06298828125, 0.087890625, -0.0810546875, -0.00848388671875, 0.01495361328125, 0.016357421875, 0.0135498046875, -0.0849609375...
7,137
7137
how to find xi(bar) = .5(x(i-1) - xi) using the midpoint rule January 26th 2009, 05:29 AM chse720 how to find xi(bar) = .5(x(i-1) - xi) using the midpoint rule i need some help in finding xi using the midpoint rule. here is an example problem: integral from 0 to 1 of (1 + x^4)^(1/2) where n=10 January 26th...
4
[ 0.00250244140625, 0.03564453125, 0.12060546875, -0.1259765625, 0.03515625, -0.03564453125, 0.05029296875, 0.09521484375, -0.015625, -0.0830078125, -0.003143310546875, -0.048583984375, 0.04541015625, -0.0341796875, -0.061279296875, 0.0693359375, -0.005859375, -0.019287109375, -0.0...
7,138
7138
permutation and combination June 24th 2008, 07:24 PM divinewisdom0218 permutation and combination 1.Six books with different titles have green covers and three books with different titles have red covers. In how many ways can the nine books be arranged on a shelf if (a) the red books are not to be separated,...
4
[ -0.004547119140625, -0.0216064453125, 0.020751953125, -0.000560760498046875, -0.0272216796875, 0.095703125, 0.01177978515625, -0.054443359375, 0.0262451171875, 0.04833984375, -0.0216064453125, 0.03125, 0.057373046875, -0.053955078125, 0.01953125, 0.0037384033203125, -0.109375, -0.0...
7,139
7139
Another Permutation question September 2nd 2011, 05:22 AM #1 Newbie Joined Sep 2011 Posts 5 Here is my question In how many ways can 8 library books be arranged on a shelf if 3 of the books cannot be all together? What i did is: 3 books cannot be together meaning there can be two, one or even...
4
[ -0.00360107421875, -0.08642578125, -0.01953125, 0.02734375, -0.11376953125, 0.028076171875, -0.0341796875, -0.0223388671875, 0.068359375, 0.109375, -0.00592041015625, 0.0390625, 0.0751953125, -0.0272216796875, 0.00860595703125, 0.026123046875, -0.0751953125, -0.04736328125, -0.10...
7,140
7140
steps to simplify equation November 15th 2011, 06:20 PM #1 Newbie Joined Nov 2011 Posts 1 I have the following that I want to solve for v. S = b - dv + r(b - dv) + c[b - dv + r(b - dv)] + t(b - dv + r(b - dv) + c[b - dv + r(b - dv)]) I started by getting rid of the parentheses: S = b - dv +...
4
[ -0.091796875, 0.048583984375, 0.014892578125, -0.018310546875, 0.000858306884765625, 0.05224609375, -0.0257568359375, 0.0257568359375, -0.00048828125, 0.056884765625, -0.072265625, -0.044921875, 0.054443359375, 0.07177734375, 0.0045166015625, -0.0028228759765625, -0.0250244140625, ...
7,141
7141
Function Notation September 26th 2010, 05:32 AM #1 Junior Member Joined Feb 2010 Posts 47 Function Notation a bit stuck here... question: compute $\frac{4g(-5)+[g(2)]^{2}}{-2g(3)}$ also: how would i solve f[k(-8)] , when i am given other variables for f and k to solve for other func...
4
[ -0.0264892578125, 0.01300048828125, 0.0615234375, 0.049560546875, -0.06494140625, -0.044921875, 0.032958984375, -0.031494140625, 0.015380859375, 0.0771484375, 0.0380859375, -0.031982421875, -0.0322265625, -0.014404296875, -0.033935546875, 0.0291748046875, 0.01458740234375, 0.028198...
7,142
7142
Polar Graph Area April 15th 2010, 07:39 AM #1 Newbie Joined Jan 2010 Posts 14 Polar Graph Area Find the area for one loop of $r^{2} = 64sin2\theta$ I plotted three graphs; $r^{2}$ vs. [tex]\theta]/math], where it looks like a normal sin curve repeating twice between 0 and $2\pi$ ranging from 64 to -...
5
[ 0.033447265625, -0.033203125, -0.059814453125, -0.044189453125, -0.0159912109375, -0.0625, -0.0732421875, 0.09619140625, -0.0027618408203125, -0.00153350830078125, 0.0157470703125, 0.064453125, -0.002471923828125, 0.07275390625, 0.06884765625, 0.046142578125, -0.046875, -0.07177734...
7,143
7143
load and inflation June 21st 2009, 10:20 PM #1 Newbie Joined Jun 2009 Posts 16 load and inflation hello let say you get a loan of 1,000 with bank rate of interest 5% for 10 years an online calculator says that you will totally have paid at the end of the 10 year period 1272.79, each month 10,61...
5
[ -0.00135040283203125, 0.0252685546875, -0.031005859375, 0.0289306640625, -0.044677734375, -0.1142578125, -0.041748046875, 0.0693359375, -0.01141357421875, 0.0196533203125, -0.02783203125, -0.037109375, 0.025146484375, 0.040283203125, -0.024169921875, 0.04248046875, -0.087890625, -0...
7,144
7144
Complex Number Find the complex number $z$ which satisfies both $|z-3i|=3$ and $arg(z-3i)=\frac{3\pi}{4}$. Thanks in advance. Hmmm you mean substituting $z-3i=a+ib$ ? $3=|z-3i|=\sqrt{a^2+b^2}$ $3 \pi /4=arg(z-3i)=arctan \frac ba$ ---> $\frac ba=\tan (3 \pi /4)=-1$ $a=-b$ , $a eq 0$ Substituting in the modulus : $3=\sq...
5
[ -0.083984375, -0.025390625, -0.07373046875, 0.02294921875, -0.038818359375, 0.0172119140625, 0.02392578125, 0.01348876953125, 0.031982421875, -0.07470703125, 0.06982421875, -0.06982421875, 0.043701171875, 0.04833984375, 0.01495361328125, -0.08642578125, 0.006683349609375, -0.047363...
7,145
7145
Chinese remainder theorem December 15th 2008, 01:23 PM #1 Newbie Joined Oct 2008 From Montreal, Canada Posts 7 Chinese remainder theorem Hello everyone. This is not really a homework but it is very urgent. I have a Discrete math exam in one day and this problem is giving me so much headache! ...
4
[ -0.11962890625, 0.033935546875, 0.044921875, -0.0218505859375, 0.0257568359375, -0.026123046875, 0.1162109375, 0.03857421875, -0.0002574920654296875, 0.0167236328125, 0.087890625, -0.09619140625, 0.08740234375, 0.043212890625, -0.01434326171875, 0.00726318359375, -0.037841796875, 0...
7,146
7146
Math Help September 28th 2007, 07:43 AM #1 Newbie Joined Jun 2007 From Boston Posts 10 series the natural numbers are grouped as follows: (1) , ( 2 , 3 ) , ( 4 , 5 , 6 ) , ( 7 , 8 , 9 , 10 ) , ... find an expression for the first term of the nth group and prove that the sum of the numbers i...
4
[ -0.072265625, 0.037841796875, 0.09716796875, -0.01177978515625, 0.0166015625, 0.05908203125, -0.06396484375, 0.000400543212890625, 0.000041484832763671875, -0.09228515625, -0.109375, -0.04296875, -0.07568359375, -0.01165771484375, -0.07275390625, -0.055908203125, 0.06005859375, -0....
7,147
7147
Regression Avoids Depression - Part 11 The use of Initial Steep Regressions control and regulate the amount of negative volatility that your bankroll will have to endure during any given session. 1. Two of the primary aspects of that control come from the roll duration decay rate and the bet survival rate that your c...
4
[ -0.0255126953125, 0.06005859375, -0.10888671875, 0.0196533203125, 0.00390625, 0.048583984375, -0.029296875, 0.051025390625, 0.08740234375, -0.012939453125, -0.04931640625, 0.07275390625, -0.0142822265625, 0.000675201416015625, 0.0283203125, -0.044677734375, 0.017822265625, 0.035156...
7,148
7148
Positive Deviations = Negative Deviations? March 20th 2009, 10:23 PM mibamars Positive Deviations = Negative Deviations? Show that for ANY data set, the sum of the positive deviations from the eman must be exactly equal to the sum of negative deviations from the mean? I can work this out when subbing in va...
4
[ -0.0576171875, 0.0177001953125, 0.14453125, -0.003082275390625, -0.055419921875, -0.04638671875, 0.053955078125, 0.021484375, 0.07666015625, 0.0301513671875, 0.054931640625, -0.07080078125, 0.09765625, -0.004180908203125, -0.02734375, -0.0244140625, 0.06982421875, 0.08984375, 0.0...
7,149
7149
Test the convergence of the series Question : Test the convergence of the series $\sum_{n = 1}^\infty \frac{3n}{2(n + 1)}$ use the divergence test to show that the limit as n->infinity =3/2 so it diverges The divergence test states that if the limit of 3n/(2(n+1)) doesnt = 0 then the series diverges. So take the limi...
5
[ -0.041259765625, -0.1025390625, 0.0228271484375, -0.003570556640625, 0.0137939453125, -0.0128173828125, -0.043212890625, 0.0162353515625, 0.01458740234375, -0.0262451171875, -0.00836181640625, -0.08544921875, -0.07177734375, 0.033203125, -0.053955078125, -0.08447265625, 0.01513671875...
7,150
7150
Problem with integating for rocket boost phase, can anyone help? May 26th 2010, 11:24 AM #1 Newbie Joined May 2010 Posts 3 Problem with integating for rocket boost phase, can anyone help? I need to integrate this function once with respect to t to find an expression for h(t): v(t) = -k ln(m-bt) - gt ...
5
[ -0.06298828125, 0.05810546875, 0.05615234375, -0.019287109375, -0.01324462890625, 0.04541015625, 0.06591796875, -0.00177001953125, -0.1083984375, 0.0247802734375, 0.026611328125, -0.072265625, 0.060546875, -0.058837890625, 0.001068115234375, 0.111328125, 0.017822265625, -0.03808593...
7,151
7151
trigonometric and hyperbolic substitution June 1st 2008, 11:00 PM ArTiCK trigonometric and hyperbolic substitution Hi all, My apologises to angel.white, i completely typed the incorrect question and i would like to thank Isomorphism Using an appropriate trigonometric or hyperbolic substitution, find th...
5
[ 0.10693359375, -0.0025177001953125, 0.0693359375, 0.0361328125, -0.017822265625, -0.052001953125, -0.0634765625, -0.01239013671875, 0.0380859375, -0.06103515625, 0.0233154296875, -0.0625, -0.01531982421875, 0.025146484375, -0.0269775390625, 0.044189453125, 0.061767578125, 0.0005683...
7,152
7152
Function with open set properties August 31st 2010, 07:28 PM #1 Function with open set properties Suppose $f: \mathbb{R}^{n} \to \mathbb{R}^{k}$ has the following property: For any open set $U \subset \mathbb{R}^{k}$, $S = \{x : f(x)\in U\}$ is an open set in $\mathbb{R}^{n}$. Show that $f$ is continuous. ...
5
[ 0.0810546875, 0.06591796875, -0.10302734375, -0.04345703125, 0.07177734375, 0.1162109375, 0.064453125, -0.0250244140625, -0.042236328125, 0.038818359375, -0.0595703125, 0.041748046875, 0.044677734375, 0.037841796875, 0.07763671875, -0.0107421875, 0.1259765625, -0.06884765625, 0.0...
7,153
7153
Complex Logarithm Function May 22nd 2011, 01:37 PM #1 Newbie Joined Nov 2010 Posts 21 Complex Logarithm Function Question: Show using a suitable contour that the complex logarithm function is defined by: $Log(z) = \int_{[1,z]} \frac{1}{\zeta}\hspace{2mm} d\zeta = ln|z| + i\hspace{1mm}Arg(z)\hsp...
5
[ -0.0299072265625, -0.052490234375, 0.002288818359375, -0.032958984375, -0.00151824951171875, -0.08642578125, 0.083984375, 0.06982421875, -0.040771484375, 0.041748046875, -0.048828125, 0.01611328125, 0.09423828125, 0.0164794921875, -0.072265625, 0.006195068359375, -0.034912109375, -...
7,154
7154
Generating correlated random variables using SAS This code is based on the discussion on SITMO . It uses two ways to generate correlated random variables. For any correlation matrix, C , 1) Find the Cholesky decomposition. In SAS, this uses the root function in IML. Multiply the Cholesky decomposition to a matri...
4
[ -0.09814453125, -0.0517578125, -0.125, 0.01312255859375, 0.0191650390625, -0.0419921875, 0.004180908203125, -0.0205078125, 0.0036468505859375, 0.07958984375, 0.06689453125, 0.052978515625, 0.05029296875, -0.050048828125, -0.07666015625, 0.01287841796875, -0.0625, 0.0001010894775390...
7,155
7155
Math Help August 6th 2007, 04:05 PM #1 Junior Member Joined Jul 2007 Posts 72 help plz How would you solve this and find y? (e^(2x)(ydoubleprime) = 4(e^4x + 1) I did this: ydoubleprime = 4(e^4x + 1)/(e^(2x) ..but that doesnt seem to help, taking the integration of that looks difficult. I...
4
[ 0.010986328125, 0.0247802734375, 0.07568359375, -0.0024261474609375, 0.036376953125, 0.0133056640625, -0.021240234375, 0.046875, -0.0341796875, -0.00677490234375, 0.0849609375, -0.08349609375, -0.004913330078125, 0.057373046875, -0.0047607421875, -0.0003185272216796875, -0.0041198730...
7,156
7156
Brooks Design-Contemporary Graphics "Art Theory 101/ Database" Page 3:GoDNA: The Geometry of DNA (axial view) by Reginald Brooks, follows PIN: Pattern in Number...from primes to DNA. SCoDNA: the Structure and Chemistry of DNA (axial view) follows this. 1. INTRODUCTION One of the most fundamental levels of Nature ...
4
[ -0.05615234375, -0.04638671875, -0.05224609375, -0.076171875, 0.006317138671875, -0.01202392578125, -0.06787109375, 0.06396484375, 0.07568359375, -0.0007476806640625, -0.048583984375, 0.07080078125, -0.0162353515625, 0.005523681640625, 0.0087890625, -0.0458984375, -0.080078125, -0....
7,157
7157
Introduction to MATLAB 1. Introduction to MATLAB Welcome to the MATLAB component of Math 20D! If you are reading this, you are probably already logged into a PC. . . if not, click here for instructions on that. The next thing to do...
5
[ -0.019775390625, 0.01324462890625, 0.01531982421875, -0.05322265625, -0.046630859375, 0.040771484375, 0.0306396484375, 0.013427734375, -0.06982421875, 0.050537109375, 0.041015625, -0.018798828125, 0.09521484375, 0.0279541015625, 0.0213623046875, 0.04248046875, -0.10400390625, 0.016...
7,158
7158
Need some help with basic probability notation. February 21st 2011, 05:36 PM pantsaregood Need some help with basic probability notation. "A multiple choice test consists of four questions, each with four possible answers, only one of which is correct. You randomly guess each answer. What is the probability of: ...
4
[ 0.07275390625, 0.04150390625, 0.0247802734375, -0.004241943359375, -0.07763671875, -0.013671875, 0.10302734375, -0.01129150390625, 0.044677734375, 0.0281982421875, -0.0169677734375, -0.0517578125, 0.09033203125, 0.0306396484375, -0.0263671875, 0.10009765625, -0.016357421875, -0.063...
7,159
7159
Horner's Method of Solving Irrational Roots Date: 01/29/98 at 05:56:15 From: migs chilo Subject: Horner's Method of Solving Irrational Roots Can you give a method, formula, and answer for this equation? x^3 - 3x^2 - 2x + 5 = 0 Date: 01/29/98 at 16:46:05 From: Doctor Rob Subject: Re: Horner's Method of Solving Irr...
5
[ -0.0869140625, 0.031005859375, -0.046142578125, 0.044677734375, -0.05029296875, -0.029541015625, -0.037109375, 0.0191650390625, -0.01422119140625, -0.01171875, -0.00970458984375, -0.04638671875, 0.048095703125, 0.0751953125, 0.007598876953125, 0.00579833984375, -0.05322265625, -0.0...
7,160
7160
Baire Category and Residual Sets August 3rd 2009, 08:47 AM #1 Member Joined Jul 2009 Posts 152 Baire Category and Residual Sets I posted this problem some time ago, and it didn't elicit any feedback. So, in compliance with MHF Rules, I am now reposing the problem with some additional info. The result is ...
5
[ 0.060791015625, -0.05810546875, -0.02880859375, 0.09228515625, 0.01068115234375, 0.0966796875, 0.023681640625, 0.00714111328125, 0.06884765625, -0.04248046875, -0.038818359375, -0.1328125, -0.01214599609375, 0.0031280517578125, 0.04248046875, -0.1044921875, 0.10693359375, -0.014892...
7,161
7161
help with partial fractions November 8th 2010, 07:21 AM #61 Member Joined Nov 2009 Posts 103 Thanks mate. Is their anyway I can get your help again in the future? Im working through the laplace transform unit thats why I needed help with partial fractions because these were to do with solving differen...
5
[ -0.10595703125, 0.078125, 0.08935546875, 0.01202392578125, 0.0283203125, 0.0927734375, -0.11962890625, -0.0157470703125, 0.0299072265625, -0.05029296875, 0.046875, -0.0223388671875, 0.049072265625, 0.008544921875, -0.019775390625, -0.04345703125, 0.0145263671875, 0.0277099609375, ...
7,162
7162
Integral of a Power Date: 9/8/96 at 21:51:56 From: Chris Cummings Subject: Integral of a Power I've forgotten a lot about calculus. Could you explain why integral from -1 to 2 of x^2/3 = x^3/9 |from -1 to 2 Thanks! Date: 9/9/96 at 20:37:32 From: Doctor Tom Subject: Re: Integral of a Power Well, I clearly ca...
4
[ -0.024169921875, 0.0174560546875, 0.061767578125, 0.0849609375, 0.03369140625, -0.0771484375, -0.0164794921875, 0.031494140625, 0.06298828125, -0.0303955078125, 0.02978515625, -0.031982421875, 0.01336669921875, 0.0625, -0.0037994384765625, -0.00531005859375, -0.0390625, 0.013610839...
7,163
7163
Converting 2nd order DEs to 1st order June 30th 2008, 11:31 AM griffsterb Converting 2nd order DEs to 1st order So I have a question that asks to convert the 2nd order equation $mx'' = mg + b(x) - ax'$ Into a 1st order equation. This equation describes a bungee jump where b(x) is a function for the "sp...
5
[ -0.06103515625, 0.029052734375, 0.06298828125, -0.05029296875, -0.006103515625, 0.0142822265625, 0.018310546875, 0.0172119140625, -0.043701171875, 0.048828125, 0.06884765625, 0.00592041015625, 0.08203125, -0.01226806640625, -0.06103515625, 0.12158203125, 0.01953125, 0.038330078125,...
7,164
7164
Rotated rectangle April 22nd 2008, 07:42 AM dave.lawrence Rotated rectangle Dear Forum, Hoping someone can help me with a little trig and geometry In the attached pic the grey rectangle has been rotated by @ degrees, the red dotted box is then constructed around it to exactly enclose it. given the...
4
[ -0.0048828125, 0.039306640625, -0.0673828125, -0.043212890625, -0.031982421875, 0.07421875, -0.0322265625, 0.00396728515625, -0.00689697265625, -0.056884765625, 0.023681640625, 0.060791015625, -0.003448486328125, 0.0283203125, -0.050048828125, 0.06591796875, -0.0654296875, 0.067382...
7,165
7165
Ellipse changed in 2 parameters December 18th 2006, 10:22 AM Optiminimal Ellipse changed in 2 parameters I need some help to pull this through, first a background, then some questions. But first of all, I prefer using the following "parametric polar" formulas for an ellipse: x = cx + a Cos[t] Cos[T] + b Sin[...
4
[ -0.0458984375, -0.006072998046875, -0.05859375, -0.05078125, 0.03857421875, 0.0205078125, -0.043701171875, 0.053466796875, 0.072265625, -0.04638671875, 0.087890625, 0.005401611328125, -0.0130615234375, 0.01495361328125, 0.06298828125, 0.0634765625, 0.006591796875, 0.004608154296875...
7,166
7166
mutually incompatible abstraction terms? up vote 3 down vote favorite 2 If $\phi$ is any formula of set theory with just one free variable $x$, the abstraction term $A_{\phi}=\lbrace x | \phi(x) \rbrace$ is either a set or a proper class. Assume that ZFC is consistent, or any large cardinal axiom you like. Then my que...
5
[ -0.059326171875, -0.06982421875, 0.0167236328125, 0.00982666015625, -0.01129150390625, 0.076171875, 0.03759765625, 0.0004405975341796875, 0.024169921875, -0.0238037109375, 0.0294189453125, 0.0111083984375, 0.00182342529296875, 0.047119140625, 0.035400390625, 0.00135040283203125, 0.05...
7,167
7167
Can you check my answer Please. June 17th 2008, 04:38 PM #1 Newbie Joined May 2008 Posts 23 Can you check my answer Please. I completing complex math via correspondence .. don't have a teacher to refer to, so if you could check me equation/answer and advise would be much appreciated. I honestly can'...
5
[ 0.01031494140625, 0.173828125, -0.033203125, -0.076171875, 0.0147705078125, -0.03466796875, -0.001190185546875, 0.054443359375, -0.0673828125, 0.037353515625, 0.05322265625, -0.036865234375, 0.0634765625, 0.056884765625, 0.024169921875, 0.06787109375, -0.029052734375, 0.06396484375...
7,168
7168
Multiple integral How come I get a negative answer? What's wrong? 10x in advance. Got ya, 10x. I have another one, how am I suppose to solve this one, I cant use polar coordinates, right? I have no idea. 10x in advance. New questions require new threads. You need to switch to a new set of coordinates. The integrand s...
4
[ 0.0113525390625, -0.0021209716796875, 0.034912109375, -0.10888671875, 0.0625, -0.060791015625, -0.0159912109375, 0.006622314453125, -0.0869140625, 0.00848388671875, 0.0225830078125, 0.014892578125, -0.0625, 0.103515625, -0.005126953125, -0.010986328125, -0.078125, -0.07958984375, ...
7,169
7169
Worded equation May 10th 2010, 02:32 AM #1 Junior Member Joined Feb 2009 Posts 59 Worded equation Find two positive numbers whose sum is 4 and such that the sum of te cube of the first an the square of the second is as small as possible. Thanks any help would be appreciated! hi let x and y...
5
[ 0.0274658203125, 0.042724609375, -0.036376953125, 0.031494140625, -0.0238037109375, 0.044189453125, -0.0054931640625, 0.07470703125, 0.0155029296875, -0.0625, 0.0439453125, -0.055419921875, 0.053955078125, 0.0277099609375, -0.04736328125, 0.03466796875, 0.042236328125, -0.037353515...
7,170
7170
Math Help July 12th 2007, 05:57 PM #1 suki0918 Guest diff eq help Find the particular solution of the differential equation: y" - 4y' + 4y = e^(2x)? I'm not sure what to do b/c I get 0 for A?? Can someone help, this is what I had so far: Y(x) = Ae^2x Y'(x) = 2Ae^2x Y"(x) = 4Ae^2x So... 4Ae...
5
[ 0.020751953125, 0.0595703125, 0.06591796875, -0.0012664794921875, 0.0081787109375, 0.064453125, -0.01318359375, 0.07373046875, -0.00592041015625, 0.0009918212890625, 0.1572265625, -0.1396484375, -0.0084228515625, -0.02978515625, 0.00921630859375, 0.068359375, 0.002166748046875, 0.0...
7,171
7171
2a. Find the Probability February 7th 2008, 12:41 AM cu4mail 2a. Find the Probability Plz help on this.. A class has 12 boys and 4 girls. Suppose three students are selected at random from the class. Find the probability P that they are all boys using Multiplication theorem for conditional probability. ...
4
[ 0.051513671875, 0.03369140625, -0.0308837890625, -0.0308837890625, -0.0267333984375, -0.0191650390625, 0.056640625, -0.038330078125, -0.0167236328125, 0.056396484375, 0.095703125, 0.0087890625, 0.025634765625, 0.00933837890625, 0.0185546875, 0.04296875, -0.002044677734375, -0.00772...
7,172
7172
2nd and 3rd Derivatives!!!!! June 26th 2008, 01:39 PM #1 Member Joined Jun 2008 Posts 87 2nd and 3rd Derivatives!!!!! Hi! This is my last question, I need the 2nd and 3rd derivatives of (lnx) / (8x). I have the first derivative as being (8-8lnx) / (64x^2) is that right?? I'm not sure!!! And I need the ne...
5
[ 0.031494140625, -0.01397705078125, 0.091796875, -0.00982666015625, -0.052490234375, -0.0120849609375, -0.005218505859375, 0.06689453125, -0.01055908203125, -0.0230712890625, 0.06396484375, 0.0289306640625, 0.076171875, -0.033447265625, -0.0247802734375, 0.0595703125, -0.046630859375,...
7,173
7173
Without Graphing January 24th 2007, 12:45 PM symmetry Without Graphing Determine, WITHOUT GRAPHING, whether the two given quadratic functions have a maximum value or a minimum value and then find the value. NOTE: What exactly is meant by a max and min value here? (1) f(x) = -2x^2 + 8x + 3 (2) f(x)...
4
[ -0.01519775390625, 0.00457763671875, -0.01104736328125, -0.087890625, -0.0035247802734375, -0.0091552734375, -0.0303955078125, 0.115234375, -0.004119873046875, 0.01422119140625, 0.0242919921875, 0.00057220458984375, 0.051025390625, 0.0296630859375, 0.0036468505859375, 0.005584716796875...
7,174
7174
Please show working to express these in partial fractions November 18th 2009, 07:58 AM #1 Newbie Joined Nov 2009 Posts 1 Express in partial fractions: a) (3x + 1) / (x + 1)^2 b) (x^2 + 7x + 2) / (1 + x^2)(2 - x) a) $\frac {3x + 1} {(x + 1)^2}$ (it's the repeated factor type) so $\...
4
[ -0.0177001953125, 0.052490234375, 0.0198974609375, 0.051513671875, -0.06298828125, 0.1298828125, -0.00133514404296875, -0.07666015625, 0.009033203125, -0.045654296875, -0.033935546875, -0.13671875, 0.01171875, -0.0035552978515625, 0.00244140625, 0.00174713134765625, 0.01251220703125,...
7,175
7175
Logical Equivalence Mathematical Logic TEXT IN RED IS INCORRECT Tautologies and Contradictions A proposition that is always true is called a...
4
[ 0.01806640625, -0.0361328125, -0.054443359375, -0.0157470703125, -0.035400390625, -0.01202392578125, -0.020263671875, 0.006805419921875, 0.03564453125, -0.0361328125, 0.05712890625, -0.0301513671875, 0.049072265625, 0.00677490234375, 0.00421142578125, 0.0002536773681640625, -0.016479...
7,176
7176
Math Help 3x^2+5x-7 I want to make sure this is an error in the book. You can't factor this right? I certainly hope you mean $\displaystyle 3\left[x - \left(-\frac{5}{6} + \frac{\sqrt{109}}{6}\right)\right]\left[x - \left(-\frac{5}{6} - \frac{\sqrt{109}}{6}\right)\right]$... \displaystyle \begin {align*} 3x^2 + 5x - ...
4
[ -0.02392578125, -0.0281982421875, 0.03466796875, 0.09716796875, 0.00421142578125, 0.034423828125, -0.0284423828125, -0.002838134765625, 0.00007295608520507812, 0.04931640625, 0.076171875, -0.025146484375, 0.07861328125, 0.0380859375, -0.061279296875, 0.01397705078125, -0.03271484375,...
7,177
7177
stuck on integration by parts June 28th 2010, 03:33 AM absvalue stuck on integration by parts hello, im stuck on an integration by parts problem: $\int{s \times 2^s}$ here is what i have so far $u = s$, $du = ds$ $dv = 2^{s}ds$, $v = \frac{2^{s+1}}{s+1}$ i know that $\int{s \tim...
5
[ -0.07568359375, 0.01416015625, 0.0203857421875, -0.007171630859375, 0.07861328125, -0.017333984375, -0.035888671875, 0.06787109375, -0.08154296875, 0.044677734375, -0.049072265625, -0.0185546875, 0.045654296875, 0.01806640625, -0.03466796875, -0.03857421875, 0.04833984375, -0.01794...
7,178
7178
Help Finding a Limit September 19th 2013, 09:31 PM IdentityProblem Help Finding a Limit lim as x --> 1 of (x^(1/3) - 1) / (x^(1/2) - 1) The answer is supposed to be 2/3. I tried to use conjugates, but I still end up with a 0 in the denominator. Could someone work through it? Thanks! September...
5
[ -0.034912109375, -0.07666015625, -0.005096435546875, -0.0128173828125, -0.0035247802734375, -0.08984375, 0.01483154296875, 0.017333984375, 0.02685546875, 0.0283203125, -0.0201416015625, -0.08154296875, 0.062255859375, 0.006805419921875, 0.0079345703125, 0.0308837890625, -0.0400390625...
7,179
7179
Work Done By A Force August 23rd 2009, 09:16 PM #1 Newbie Joined Jul 2009 Posts 9 Work Done By A Force I've been racking my brain on this question for hours now, and I can't seem to get it. It's as follows: "Find the work done by the force F(x,y) = (x + 2y)i + (6y - 2x)j acting counterclockwise once...
5
[ -0.054443359375, 0.012939453125, -0.0284423828125, -0.02294921875, 0.0216064453125, 0.02734375, -0.06494140625, -0.044189453125, -0.025634765625, 0.08154296875, -0.0262451171875, -0.032958984375, -0.0615234375, 0.01068115234375, 0.000865936279296875, 0.045166015625, -0.1005859375, ...
7,180
7180
Trig. Identity Proof: Sin2X CotX- 2Sin^2X = 2 Cos2X ...? May 1st 2008, 07:29 PM #1 Newbie Joined May 2008 Posts 16 Trig. Identity Proof: Sin2X CotX- 2Sin^2X = 2 Cos2X ...? Hello everyone. I am new to this site. Now, here is the situation. I am in 11th grade math III, and we started Trig. Identities ...
4
[ -0.078125, 0.0888671875, 0.08642578125, 0.049072265625, 0.00927734375, 0.0306396484375, 0.03466796875, 0.012939453125, 0.034912109375, 0.013671875, 0.051513671875, -0.03857421875, 0.024169921875, 0.06884765625, 0.07080078125, -0.01080322265625, -0.049072265625, 0.06884765625, -0....
7,181
7181
Equivariant Surgery problem up vote 2 down vote favorite 1 I have a question about surgery. Let $G= \mathbb{Z}_m \times \mathbb{Z}$ and $M$ be a oriented 3-manifold with G-action. i.e. There exists a map $f\colon M/G \to BG$, where $BG$ is classifying space.($BG=K(G,1)=K(\mathbb{Z}_m \times \mathbb{Z},1)).$ Therefore...
5
[ -0.07177734375, 0.006256103515625, -0.0048828125, -0.06787109375, -0.018798828125, 0.04931640625, 0.031494140625, -0.0517578125, 0.003662109375, -0.0301513671875, 0.08056640625, -0.0174560546875, -0.04052734375, -0.060302734375, 0.03369140625, 0.06787109375, -0.054443359375, 0.0688...
7,182
7182
Implicit derivative and related rates? February 6th 2013, 07:40 PM Kevindqc Implicit derivative and related rates? Hi! I'm having a bit of trouble with this assignment. I had to miss a couple class, and I'm afraid the teacher talked about this. I have the notes, but they are not of much help and don't talk ...
4
[ -0.046875, 0.0174560546875, -0.015869140625, -0.02001953125, 0.000720977783203125, 0.0712890625, -0.00144195556640625, 0.031494140625, 0.052734375, 0.0008087158203125, 0.2158203125, 0.004638671875, 0.005279541015625, 0.0130615234375, -0.0029449462890625, 0.03271484375, 0.009887695312...
7,183
7183
In need of DESPERATE help April 12th 2006, 06:07 PM #1 MIKEJR Guest In need of DESPERATE help Can ANYONE please be so helpful as to help me with the following 100 equations.I am clueless about this and I have no idea on how to work out the equations..I would gladly appreciate it.. Please reply just by marking...
4
[ -0.04345703125, -0.007354736328125, -0.047119140625, -0.0498046875, -0.01544189453125, 0.09375, -0.0098876953125, -0.0225830078125, -0.041748046875, 0.020751953125, 0.0732421875, -0.064453125, -0.0108642578125, 0.034423828125, -0.02294921875, 0.11572265625, -0.09228515625, -0.05590...
7,184
7184
Use of definitions to prove limits How would you prove the following limit using the epsilon-delta definition of a limit, $\lim_{x\to1} \frac{x}{1+x} = \frac{1}{2}$ Fix $\delta =1$ so we can find an upper bound for $\frac{1}{\left|x+1\right|}$: $\left|x-1\right|<1\implies -1<x-1<1\implies 1<x+1<3\implies\frac{1}{3}<\f...
5
[ -0.03564453125, -0.03076171875, 0.03955078125, -0.029541015625, 0.064453125, 0.021240234375, 0.044677734375, 0.048095703125, -0.02783203125, -0.052978515625, 0.05224609375, -0.1376953125, 0.0076904296875, 0.030029296875, 0.00927734375, -0.07275390625, 0.061279296875, -0.00891113281...
7,185
7185
Trig Substitutions April 20th 2008, 08:04 PM kid funky fried Trig Substitutions Let $<br /> x = 3\sin u<br />$ $<br /> \int {\frac{{dx}}<br /> {{x^2 \sqrt {9 - x^2 } }}} = \frac{1}<br /> {9}\int {\csc ^2 udu} = - \frac{1}<br /> {9}(\frac{{\sqrt {9 - x^2 } }}<br /> {x}) + C<br />$ I understand every...
5
[ -0.034912109375, 0.000637054443359375, -0.004547119140625, 0.00921630859375, 0.01263427734375, -0.023681640625, -0.1201171875, 0.035400390625, 0.0093994140625, -0.07568359375, 0.0086669921875, -0.031005859375, -0.01275634765625, -0.0390625, 0.003265380859375, -0.0286865234375, 0.0791...
7,186
7186
Group theory question November 29th 2012, 03:07 PM Ant Group theory question Hi, Let $H_{1}, H_{2}, H_{3}$ be subgroups of a group $G$ under addition. Moreover suppose $x\in H_{1}, y\in H_{2}, x+y \in H_{3}$ I'm wondering if it then follows that $H_{1} = H_{2} = H_{3}$ Could anyone offer any hel...
5
[ -0.06787109375, -0.02685546875, 0.0050048828125, -0.04638671875, 0.0693359375, -0.048583984375, 0.09619140625, -0.0849609375, -0.08642578125, -0.0576171875, 0.051513671875, 0.006195068359375, -0.00848388671875, -0.091796875, 0.0888671875, 0.02294921875, -0.043212890625, 0.029785156...
7,187
7187
ball carton May 19th 2010, 08:40 PM kingman ball carton Any help offered in solving the below question will be much appreciated. Thanks Kingman A manufacturer makes balls which are packed in cartons of 20 and send to market for sale. A ball will not meet the minimum requirement for packing for s...
4
[ 0.095703125, 0.0888671875, 0.032958984375, 0.0260009765625, 0.0152587890625, -0.02099609375, 0.06982421875, 0.087890625, -0.020263671875, 0.068359375, 0.046630859375, -0.07080078125, 0.0498046875, 0.05908203125, 0.060791015625, 0.0281982421875, 0.0289306640625, -0.022705078125, -...
7,188
7188
double integral March 6th 2007, 01:31 AM #1 Newbie Joined Nov 2006 Posts 10 double integral can someone help me with this double integral please. DOUBLE INTEGRAL: e^-r^2 r dr dtheta where r is bounded by 0 and a and theta is bounded by 0 and pi/2 thanks Hello, mesterpa! It see...
5
[ -0.060546875, 0.040283203125, 0.0008544921875, -0.06201171875, 0.0159912109375, -0.0294189453125, -0.072265625, 0.059326171875, 0.00921630859375, 0.0035247802734375, 0.031005859375, -0.0125732421875, -0.0033416748046875, 0.059326171875, 0.025390625, -0.07861328125, 0.0228271484375, ...
7,189
7189
Calculus Word Problems Date: 04/03/97 at 15:00:18 From: Nikita Bacchus Subject: Calculus Word Problems Hi, I really hope you can help me with my problems. I have tried to figure out these questions but I can't seem to get an answer. 1) a) For any numbers a1,a2,a3,a4 find the value of x that minimizes f(x)...
5
[ 0.01409912109375, 0.0986328125, 0.00445556640625, -0.037353515625, -0.028076171875, 0.0296630859375, 0.032958984375, 0.053955078125, -0.0888671875, 0.07958984375, 0.035400390625, -0.037109375, 0.056884765625, 0.03564453125, -0.04296875, 0.06982421875, 0.01171875, -0.03662109375, ...
7,190
7190
Rules of derivatives. November 10th 2013, 06:17 PM #1 Member Joined May 2011 Posts 133 Thanks 2 Rules of derivatives. $\frac{-10}{(x+5)^3}$ Since this is a fraction I know I should use the quotient rule. My question is actually about the bottom part of the equation. I see it's to the third power...
5
[ -0.087890625, -0.01483154296875, 0.052490234375, -0.0198974609375, -0.00958251953125, -0.054443359375, 0.04150390625, -0.076171875, 0.0458984375, 0.0849609375, 0.11572265625, 0.01708984375, -0.006134033203125, 0.0390625, 0.034423828125, 0.0380859375, -0.021484375, 0.10205078125, ...
7,191
7191
Math Forum Discussions Math Forum Ask Dr. Math Discussions Internet Newsletter MathTools Teacher2Teacher Teacher Exchange Workshops Search All of the Math Forum: Views expressed in these public forums are not endorsed by Drexel University or The Math Forum. Topic: Variance question Replies: 1 Last Post: Jul 15, 19...
4
[ 0.004241943359375, -0.011962890625, 0.0400390625, -0.003936767578125, -0.0091552734375, -0.037841796875, -0.02490234375, 0.0908203125, 0.05615234375, 0.0027923583984375, 0.08642578125, 0.02734375, 0.02783203125, -0.034912109375, 0.0059814453125, -0.046142578125, 0.01446533203125, -...
7,192
7192
Statistical properties of interval mapping methods on quantitative trait loci location: impact on QTL/eQTL analyses Abstract Background Quantitative trait loci (QTL) detection on a huge amount of phenotypes, like eQTL detection on transcriptomic data, can be dramatically impaired by the statistical properties of inte...
4
[ 0.000904083251953125, 0.034423828125, 0.0262451171875, -0.0277099609375, -0.0277099609375, -0.00469970703125, -0.0712890625, -0.00653076171875, 0.002227783203125, -0.0625, 0.07763671875, -0.0888671875, 0.0194091796875, 0.004241943359375, -0.0262451171875, 0.031982421875, -0.072265625...
7,193
7193
“My Favorite No” in #AlgPoW Teeter Trio A middle-school math teacher, Ms. Alcala, shared the activity, “My Favorite No” on the Teacher Channel. I highly recommend watching the video. The idea is to collect work from students and then share, anonymously, one incorrect solution that you really like. You might like it bec...
4
[ -0.078125, 0.0419921875, -0.0252685546875, -0.059326171875, -0.07666015625, -0.0419921875, 0.0615234375, -0.006072998046875, 0.035400390625, 0.0157470703125, 0.037353515625, -0.0140380859375, 0.0361328125, 0.005218505859375, -0.0537109375, 0.0654296875, 0.0380859375, 0.06494140625,...
7,194
7194
Subgroup of abelian group December 11th 2011, 05:12 PM #1 Subgroup of abelian group There seems to be little literature on the subject of abstract algebra, to help confused persons like myself. My lecturer is also the worst person to teach it, cause for the first time in my experiences of life i am entirely c...
5
[ -0.06396484375, 0.064453125, 0.059326171875, 0.07373046875, -0.006195068359375, -0.04150390625, 0.06494140625, -0.072265625, 0.0113525390625, -0.0296630859375, 0.0439453125, 0.0245361328125, -0.0211181640625, -0.08837890625, 0.01373291015625, 0.058837890625, -0.0111083984375, 0.032...
7,195
7195
Orthogonal Subspaces October 24th 2010, 11:35 AM #1 Member Joined Aug 2008 Posts 225 Orthogonal Subspaces Let S be the subspace of R4 containing all vectors with x1 + x2 + x2 + x4 = 0. Find a basis for the space S orthogonal, containing all vectors orthogonal to S. There are a few ways to solve this...
5
[ -0.06201171875, -0.01519775390625, -0.0400390625, -0.1513671875, 0.019287109375, 0.049560546875, 0.0625, -0.06005859375, -0.00531005859375, 0.0157470703125, -0.02978515625, -0.02685546875, 0.07470703125, -0.0103759765625, -0.048828125, -0.007049560546875, -0.0159912109375, 0.047363...
7,196
7196
Solve for x Hello again. Another monster, I see. $\frac{y}{x}+p(xy)=\frac{q}{s}$ First, multiply through by your LCD which is xs. $sy+psyx^2=qx$ $(psy)x^2-qx=-sy$ Now on to completing the square. Divide all terms by (psy) $x^2-\frac{q}{psy}x=\frac{-sy}{psy}$ $x^2-\frac{q}{psy}x+\left(\frac{q}{2psy}\right)^2=-\frac{1}{p...
4
[ 0.004119873046875, 0.045166015625, 0.035400390625, -0.01202392578125, -0.0211181640625, 0.060546875, 0.0135498046875, 0.048095703125, 0.03125, -0.004638671875, 0.111328125, 0.01220703125, 0.0400390625, 0.11279296875, 0.028564453125, 0.037353515625, -0.039794921875, 0.017333984375, ...
7,197
7197
Polynomial Rings - Gauss's Lemma - Point 2 of a previous post April 13th 2013, 09:48 PM Bernhard Polynomial Rings - Gauss's Lemma - Point 2 of a previous post Point 2 of my previous post on Gauss's Lemma got well lost in the 10 replies - so I am re-posting the remaining problem - which was problem (2) Basic...
4
[ -0.040771484375, -0.009033203125, -0.0146484375, 0.00115203857421875, 0.1357421875, 0.00726318359375, 0.126953125, 0.0751953125, -0.050537109375, -0.0400390625, -0.0191650390625, 0.053955078125, 0.11669921875, -0.01806640625, -0.056640625, 0.006317138671875, -0.033203125, 0.0100097...
7,198
7198
Expression in Terms of Theta April 30th 2009, 10:04 AM ThaBeretta Expression in Terms of Theta A crate weighing $w$ pounds sits on a ramp positioned at an angle of $\theta$ with the horizontal. The forces acting on this crate are modeled by the equation $Mw cos \theta = w sin \theta$ , where $M$ is the coeff...
4
[ -0.10546875, 0.042724609375, -0.038330078125, 0.09375, 0.007659912109375, 0.03955078125, 0.04443359375, 0.037353515625, 0.0654296875, 0.06591796875, 0.07958984375, -0.08544921875, 0.031494140625, 0.068359375, 0.01336669921875, 0.08203125, -0.0302734375, 0.08984375, -0.03198242187...
7,199
7199