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reward_model
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dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nA projection takes $\\begin{pmatrix} 1 \\\\ -2 \\end{pmatrix}$ to $\\begin{pmatrix} \\frac{3}{2} \\\\ -\\frac{3}{2} \\...
MATH
{ "ground_truth": "\\begin{pmatrix} -5/2 \\\\ 5/2 \\end{pmatrix}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5500" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nIf $\\mathbf{a}$ and $\\mathbf{b}$ are vectors such that $\\|\\mathbf{a}\\| = 7$ and $\\|\\mathbf{b}\\| = 11$, then fi...
MATH
{ "ground_truth": "[-77,77]", "style": "rule-lighteval/MATH_v2" }
{ "index": "5501" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nLet $\\mathbf{a}$ and $\\mathbf{b}$ be two vectors such that\n\\[\\|\\mathbf{a} + \\mathbf{b}\\| = \\|\\mathbf{b}\\|.\...
MATH
{ "ground_truth": "90^\\circ", "style": "rule-lighteval/MATH_v2" }
{ "index": "5502" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nCompute the least positive value of $t$ such that\n\\[\\arcsin (\\sin \\alpha), \\ \\arcsin (\\sin 2 \\alpha), \\ \\ar...
MATH
{ "ground_truth": "9 - 4 \\sqrt{5}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5503" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nLet $z_1,$ $z_2,$ $\\dots,$ $z_{20}$ be the twenty (complex) roots of the equation\n\\[z^{20} - 4z^{19} + 9z^{18} - 16...
MATH
{ "ground_truth": "\\frac{241}{220}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5504" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nLet $A$ and $B$ be the endpoints of a semicircular arc of radius $2$. The arc is divided into seven congruent arcs by ...
MATH
{ "ground_truth": "28672", "style": "rule-lighteval/MATH_v2" }
{ "index": "5505" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nLet $\\mathbf{p}$ be the projection of $\\mathbf{v}$ onto $\\mathbf{w},$ and let $\\mathbf{q}$ be the projection of $\...
MATH
{ "ground_truth": "\\frac{25}{49}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5506" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nThe volume of the parallelepiped generated by $\\begin{pmatrix} 2 \\\\ 3 \\\\ 4 \\end{pmatrix},$ $\\begin{pmatrix} 1 \...
MATH
{ "ground_truth": "\\frac{9}{2}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5507" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nA sequence $(a_1,b_1)$, $(a_2,b_2)$, $(a_3,b_3)$, $\\ldots$ of points in the coordinate plane satisfies\n\\[(a_{n + 1}...
MATH
{ "ground_truth": "\\frac{1}{2^{98}}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5508" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nLet $P$ be the point on line segment $\\overline{AB}$ such that $AP:PB = 3:2.$ Then\n\\[\\overrightarrow{P} = t \\ove...
MATH
{ "ground_truth": "\\left( \\frac{2}{5}, \\frac{3}{5} \\right)", "style": "rule-lighteval/MATH_v2" }
{ "index": "5509" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nLet $\\mathbf{a} = \\begin{pmatrix} 2 \\\\ 1 \\\\ 5 \\end{pmatrix}.$ Find the vector $\\mathbf{b}$ such that $\\mathb...
MATH
{ "ground_truth": "\\begin{pmatrix} -1 \\\\ 3 \\\\ 2 \\end{pmatrix}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5510" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nJoel selected an acute angle $x$ (strictly between 0 and 90 degrees) and wrote the values of $\\sin x$, $\\cos x$, and...
MATH
{ "ground_truth": "\\frac{1 + \\sqrt{5}}{2}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5511" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nThe set of points $(x,y,z)$ that are equidistant to $(1,2,-5)$ and point $P$ satisfy an equation of the form\n\\[10x -...
MATH
{ "ground_truth": "(6,0,7)", "style": "rule-lighteval/MATH_v2" }
{ "index": "5512" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nConvert the point $(0, -3 \\sqrt{3}, 3)$ in rectangular coordinates to spherical coordinates. Enter your answer in th...
MATH
{ "ground_truth": "\\left( 6, \\frac{3 \\pi}{2}, \\frac{\\pi}{3} \\right)", "style": "rule-lighteval/MATH_v2" }
{ "index": "5513" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nThe line $y = 2x + 7$ is to be parameterized using vectors. Which of the following options are valid parameterization...
MATH
{ "ground_truth": "\\text{B,E}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5514" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nFind the range of\n\\[f(A)=\\frac{\\sin A(3\\cos^{2}A+\\cos^{4}A+3\\sin^{2}A+\\sin^{2}A\\cos^{2}A)}{\\tan A (\\sec A-\...
MATH
{ "ground_truth": "(3,4)", "style": "rule-lighteval/MATH_v2" }
{ "index": "5515" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nThree of the vertices of parallelogram $ABCD$ are $A = (3,-1,2),$ $B = (1,2,-4),$ and $C = (-1,1,2).$ Find the coordi...
MATH
{ "ground_truth": "(1,-2,8)", "style": "rule-lighteval/MATH_v2" }
{ "index": "5516" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nSolve $\\arcsin x + \\arcsin (1 - x) = \\arccos x.$\n\nRemember to put your answer on its own line after \"Answer:\"."...
MATH
{ "ground_truth": "0, \\frac{1}{2}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5517" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nFind $k$ if\n\\[(\\sin \\alpha + \\csc \\alpha)^2 + (\\cos \\alpha + \\sec \\alpha)^2 = k + \\tan^2 \\alpha + \\cot^2 ...
MATH
{ "ground_truth": "7", "style": "rule-lighteval/MATH_v2" }
{ "index": "5518" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nFind the matrix $\\mathbf{M}$ such that\n\\[\\mathbf{M} \\mathbf{v} = -5 \\mathbf{v}\\]for all vectors $\\mathbf{v}.$\...
MATH
{ "ground_truth": "\\begin{pmatrix} -5 & 0 \\\\ 0 & -5 \\end{pmatrix}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5519" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nFor real numbers $a,$ $b,$ and $c,$ the matrix\n\\[\\begin{pmatrix} a & b & c \\\\ b & c & a \\\\ c & a & b \\end{pmat...
MATH
{ "ground_truth": "-3", "style": "rule-lighteval/MATH_v2" }
{ "index": "5520" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nA projectile is fired with an initial velocity of $v$ at an angle of $\\theta$ from the ground. Then its trajectory c...
MATH
{ "ground_truth": "\\frac{\\pi}{8}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5521" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nFind the volume of the region in space defined by\n\\[|x + y + z| + |x + y - z| \\le 8\\]and $x,$ $y,$ $z \\ge 0.$\n\n...
MATH
{ "ground_truth": "32", "style": "rule-lighteval/MATH_v2" }
{ "index": "5522" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nFind a unit vector that is orthogonal to both $\\begin{pmatrix} 1 \\\\ 1 \\\\ 0 \\end{pmatrix}$ and $\\begin{pmatrix} ...
MATH
{ "ground_truth": "\\begin{pmatrix} -2/3 \\\\ 2/3 \\\\ 1/3 \\end{pmatrix}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5523" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nLet $\\mathbf{v}$ and $\\mathbf{w}$ be the vectors such that $\\mathbf{v} \\cdot \\mathbf{w} = -3$ and $\\|\\mathbf{w}...
MATH
{ "ground_truth": "\\frac{3}{5}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5524" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nHow many solutions of the equation $\\tan x = \\tan (\\tan x)$ are on the interval $0 \\le x \\le \\tan^{-1} 942$? (H...
MATH
{ "ground_truth": "300", "style": "rule-lighteval/MATH_v2" }
{ "index": "5525" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nA certain point has rectangular coordinates $(10,3)$ and polar coordinates $(r, \\theta).$ What are the rectangular c...
MATH
{ "ground_truth": "(91,60)", "style": "rule-lighteval/MATH_v2" }
{ "index": "5526" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nThe matrix\n\\[\\begin{pmatrix} a & \\frac{15}{34} \\\\ c & \\frac{25}{34} \\end{pmatrix}\\]corresponds to a projectio...
MATH
{ "ground_truth": "\\left( \\frac{9}{34}, \\frac{15}{34} \\right)", "style": "rule-lighteval/MATH_v2" }
{ "index": "5527" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nLet $\\mathbf{M} = \\begin{pmatrix} 2 & 0 \\\\ 1 & -3 \\end{pmatrix}.$ Find constants $a$ and $b$ so that\n\\[\\mathb...
MATH
{ "ground_truth": "\\left( \\frac{1}{6}, \\frac{1}{6} \\right)", "style": "rule-lighteval/MATH_v2" }
{ "index": "5528" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nIn triangle $ABC,$ $\\angle B = 60^\\circ$ and $\\angle C = 45^\\circ.$ The point $D$ divides $\\overline{BC}$ in the...
MATH
{ "ground_truth": "\\frac{\\sqrt{6}}{6}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5529" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nA particle is located on the coordinate plane at $(5,0)$. Define a ''move'' for the particle as a counterclockwise rot...
MATH
{ "ground_truth": "(-5 \\sqrt{2}, 5 + 5 \\sqrt{2})", "style": "rule-lighteval/MATH_v2" }
{ "index": "5530" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nThe dilation, centered at $2 + 3i,$ with scale factor 3, takes $-1 - i$ to which complex number?\n\nRemember to put yo...
MATH
{ "ground_truth": "-7 - 9i", "style": "rule-lighteval/MATH_v2" }
{ "index": "5531" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nFind the projection of the vector $\\begin{pmatrix} 4 \\\\ -4 \\\\ -1 \\end{pmatrix}$ onto the line\n\\[2x = -3y = z.\...
MATH
{ "ground_truth": "\\begin{pmatrix} 6/7 \\\\ -4/7 \\\\ 12/7 \\end{pmatrix}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5532" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nIn triangle $ABC,$ $D,$ $E,$ and $F$ are points on sides $\\overline{BC},$ $\\overline{AC},$ and $\\overline{AB},$ res...
MATH
{ "ground_truth": "\\frac{1}{7}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5533" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nThere exists a positive real number $x$ such that $ \\cos (\\arctan (x)) = x $. Find the value of $x^2$.\n\nRemember t...
MATH
{ "ground_truth": "\\frac{-1 + \\sqrt{5}}{2}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5534" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nIn triangle $ABC,$ $AB = 3,$ $AC = 6,$ $BC = 8,$ and $D$ lies on $\\overline{BC}$ such that $\\overline{AD}$ bisects $...
MATH
{ "ground_truth": "\\frac{\\sqrt{34}}{12}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5535" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nConsider two lines: line $l$ parametrized as\n\\begin{align*} \nx &= 1 + 4t,\\\\\ny &= 4 + 3t\n\\end{align*}and the l...
MATH
{ "ground_truth": "\\begin{pmatrix}-6 \\\\ 8 \\end{pmatrix}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5536" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nCube $ABCDEFGH,$ labeled as shown below, has edge length $1$ and is cut by a plane passing through vertex $D$ and the ...
MATH
{ "ground_truth": "\\frac{41}{48}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5537" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nThe line $y = \\frac{3x - 5}{4}$ is parameterized in the form\n\\[\\begin{pmatrix} x \\\\ y \\end{pmatrix} = \\mathbf{...
MATH
{ "ground_truth": "\\begin{pmatrix} 4/5 \\\\ 3/5 \\end{pmatrix}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5538" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nExpress $\\sin 4x + \\sin 6x$ as a product of trigonometric functions.\n\nRemember to put your answer on its own line ...
MATH
{ "ground_truth": "2 \\sin 5x \\cos x", "style": "rule-lighteval/MATH_v2" }
{ "index": "5539" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nIn polar coordinates, the point $\\left( -2, \\frac{3 \\pi}{8} \\right)$ is equivalent to what other point, in the sta...
MATH
{ "ground_truth": "\\left( 2, \\frac{11 \\pi}{8} \\right)", "style": "rule-lighteval/MATH_v2" }
{ "index": "5540" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nOne angle of a triangle is twice another, and the sides opposite these angles have lengths 15 and 9. Compute the leng...
MATH
{ "ground_truth": "16", "style": "rule-lighteval/MATH_v2" }
{ "index": "5541" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nSimplify\n\\[\\cos ^2 x + \\cos^2 (x + y) - 2 \\cos x \\cos y \\cos (x + y).\\]\n\nRemember to put your answer on its ...
MATH
{ "ground_truth": "\\sin^2 y", "style": "rule-lighteval/MATH_v2" }
{ "index": "5542" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nFind the number of solutions to\n\\[\\sin x = \\left( \\frac{1}{2} \\right)^x\\]on the interval $(0,100 \\pi).$\n\nRem...
MATH
{ "ground_truth": "100", "style": "rule-lighteval/MATH_v2" }
{ "index": "5543" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nThe complex number $(3 \\operatorname{cis} 18^\\circ)(-2\\operatorname{cis} 37^\\circ)$ is expressed in polar form as ...
MATH
{ "ground_truth": "(6,235^\\circ)", "style": "rule-lighteval/MATH_v2" }
{ "index": "5544" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nLet $\\mathbf{M}$ be a matrix such that\n\\[\\mathbf{M} \\begin{pmatrix} 2 \\\\ -1 \\end{pmatrix} = \\begin{pmatrix} 3...
MATH
{ "ground_truth": "\\begin{pmatrix} 11 \\\\ -1 \\end{pmatrix}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5545" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nLet $\\mathbf{w} = \\begin{pmatrix} 2 \\\\ -1 \\\\ 2 \\end{pmatrix}.$ The set of vectors $\\mathbf{v}$ such that\n\\[...
MATH
{ "ground_truth": "2x - y + 2z - 18 = 0", "style": "rule-lighteval/MATH_v2" }
{ "index": "5546" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nFind the number of ordered quadruples $(a,b,c,d)$ of real numbers such that\n\\[\\begin{pmatrix} a & b \\\\ c & d \\en...
MATH
{ "ground_truth": "0", "style": "rule-lighteval/MATH_v2" }
{ "index": "5547" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nLet $\\overline{AD},$ $\\overline{BE},$ $\\overline{CF}$ be the altitudes of acute triangle $ABC.$ If\n\\[9 \\overrig...
MATH
{ "ground_truth": "60^\\circ", "style": "rule-lighteval/MATH_v2" }
{ "index": "5548" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nSimplify\n\\[\\cos \\frac{2 \\pi}{13} + \\cos \\frac{6 \\pi}{13} + \\cos \\frac{8 \\pi}{13}.\\]\n\nRemember to put you...
MATH
{ "ground_truth": "\\frac{\\sqrt{13} - 1}{4}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5549" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nFind\n\\[\\sin \\left( \\sin^{-1} \\frac{3}{5} + \\tan^{-1} 2 \\right).\\]\n\nRemember to put your answer on its own l...
MATH
{ "ground_truth": "\\frac{11 \\sqrt{5}}{25}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5550" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nFind the matrix that corresponds to rotating about the origin by an angle of $120^\\circ$ counter-clockwise.\n\nRememb...
MATH
{ "ground_truth": "\\begin{pmatrix} -1/2 & -\\sqrt{3}/2 \\\\ \\sqrt{3}/2 & -1/2 \\end{pmatrix}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5551" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nA regular hexagon with center at the origin in the complex plane has opposite pairs of sides one unit apart. One pair ...
MATH
{ "ground_truth": "3 \\sqrt{3} + 2 \\pi", "style": "rule-lighteval/MATH_v2" }
{ "index": "5552" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nFind the maximum $y$-coordinate of a point on the graph of $r = \\sin 2 \\theta.$\n\nRemember to put your answer on it...
MATH
{ "ground_truth": "\\frac{4 \\sqrt{3}}{9}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5553" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nFind the minimum value of\n\\[\\frac{\\sin^6 x + \\cos^6 x + 1}{\\sin^4 x + \\cos^4 x + 1}\\]over all real values $x.$...
MATH
{ "ground_truth": "\\frac{5}{6}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5554" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nThe vectors $\\mathbf{a} = \\begin{pmatrix} 3 \\\\ 1 \\\\ -2 \\end{pmatrix}$ and $\\mathbf{b} = \\begin{pmatrix} 0 \\\...
MATH
{ "ground_truth": "-\\frac{1}{6}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5555" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nLet $P$ be the plane passing through the origin with normal vector $\\begin{pmatrix} 1 \\\\ -2 \\\\ 1 \\end{pmatrix}.$...
MATH
{ "ground_truth": "\\begin{pmatrix} \\frac{5}{6} & \\frac{1}{3} & -\\frac{1}{6} \\\\ \\frac{1}{3} & \\frac{1}{3} & \\frac{1}{3} \\\\ -\\frac{1}{6} & \\frac{1}{3} & \\frac{5}{6} \\end{pmatrix}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5556" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nWhat is the range of the function $y=\\log_2 (\\sqrt{\\cos x})$ for $-90^\\circ< x < 90^\\circ$?\n\nRemember to put yo...
MATH
{ "ground_truth": "(-\\infty,0]", "style": "rule-lighteval/MATH_v2" }
{ "index": "5557" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nIn spherical coordinates, the point $\\left( 3, \\frac{2 \\pi}{7}, \\frac{8 \\pi}{5} \\right)$ is equivalent to what o...
MATH
{ "ground_truth": "\\left( 3, \\frac{9 \\pi}{7}, \\frac{2 \\pi}{5} \\right)", "style": "rule-lighteval/MATH_v2" }
{ "index": "5558" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nIf $e^{i \\alpha} = \\frac{3}{5} +\\frac{4}{5} i$ and $e^{i \\beta} = -\\frac{12}{13} + \\frac{5}{13} i,$ then find $...
MATH
{ "ground_truth": "-\\frac{33}{65}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5559" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nLet $\\mathbf{R}$ be the matrix for reflecting over the vector $\\begin{pmatrix} 3 \\\\ 1 \\end{pmatrix}.$ Find $\\ma...
MATH
{ "ground_truth": "\\begin{pmatrix} 1 & 0 \\\\ 0 & 1 \\end{pmatrix}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5560" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nThe sides of an isosceles triangle are $\\cos x,$ $\\cos x,$ and $\\cos 7x,$ and its vertex angle is $2x.$ (All angle...
MATH
{ "ground_truth": "10^\\circ, 50^\\circ, 54^\\circ", "style": "rule-lighteval/MATH_v2" }
{ "index": "5561" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nIf $\\sin x + \\sin y = \\frac{96}{65}$ and $\\cos x + \\cos y = \\frac{72}{65}$, then what is the value of $\\tan x +...
MATH
{ "ground_truth": "\\frac{507}{112}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5562" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nFor each integer $n$ greater than 1, let $F(n)$ be the number of solutions of the equation $\\sin x = \\sin nx$ on the...
MATH
{ "ground_truth": "2{,}016{,}532", "style": "rule-lighteval/MATH_v2" }
{ "index": "5563" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nIn triangle $ABC,$ the midpoint of $\\overline{BC}$ is $(1,5,-1),$ the midpoint of $\\overline{AC}$ is $(0,4,-2),$ and...
MATH
{ "ground_truth": "(1, 2, 3)", "style": "rule-lighteval/MATH_v2" }
{ "index": "5564" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nLet $\\mathbf{D}$ be a matrix representing a dilation with scale factor $k > 0,$ and let $\\mathbf{R}$ be a matrix rep...
MATH
{ "ground_truth": "\\frac{1}{2}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5565" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nFor a certain value of $k,$ the system\n\\begin{align*}\nx + ky + 3z &= 0, \\\\\n3x + ky - 2z &= 0, \\\\\n2x + 4y - 3z...
MATH
{ "ground_truth": "10", "style": "rule-lighteval/MATH_v2" }
{ "index": "5566" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nFind all $a,$ $0^\\circ < a < 360^\\circ,$ such that $\\cos a,$ $\\cos 2a,$ and $\\cos 3a$ form an arithmetic sequence...
MATH
{ "ground_truth": "45^\\circ, 135^\\circ, 225^\\circ, 315^\\circ", "style": "rule-lighteval/MATH_v2" }
{ "index": "5567" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nThe set of vectors $\\mathbf{v}$ such that\n\\[\\operatorname{proj}_{\\begin{pmatrix} 5 \\\\ 2 \\end{pmatrix}} \\mathb...
MATH
{ "ground_truth": "y = -\\frac{5}{2} x - \\frac{29}{4}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5568" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nPoints $A,$ $B,$ $C,$ and $D$ are equally spaced along a line such that $AB = BC = CD.$ A point $P$ is located so tha...
MATH
{ "ground_truth": "\\frac{18}{25}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5569" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nIn triangle $ABC,$ $AB = 9,$ $BC = 10,$ and $AC = 11.$ If $D$ and $E$ are chosen on $\\overline{AB}$ and $\\overline{...
MATH
{ "ground_truth": "\\frac{280 \\sqrt{2}}{33}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5570" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nFind the smallest positive integer $n$ such that\n\\[\\begin{pmatrix} \\cos 170^\\circ & -\\sin 170^\\circ \\\\ \\sin ...
MATH
{ "ground_truth": "36", "style": "rule-lighteval/MATH_v2" }
{ "index": "5571" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nFind the point where the line passing through $(3,4,1)$ and $(5,1,6)$ intersects the $xy$-plane.\n\nRemember to put yo...
MATH
{ "ground_truth": "\\left( \\frac{13}{5}, \\frac{23}{5}, 0 \\right)", "style": "rule-lighteval/MATH_v2" }
{ "index": "5572" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nLet $\\mathbf{a},$ $\\mathbf{b},$ $\\mathbf{c}$ be unit vectors such that\n\\[\\mathbf{a} \\times (\\mathbf{b} \\times...
MATH
{ "ground_truth": "135^\\circ", "style": "rule-lighteval/MATH_v2" }
{ "index": "5573" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nDefine $\\mathbf{A} = \\begin{pmatrix} 0 & 1 \\\\ 3 & 0 \\end{pmatrix}.$ Find the vector $\\mathbf{v}$ such that\n\\[...
MATH
{ "ground_truth": "\\begin{pmatrix} 0 \\\\ 1/11 \\end{pmatrix}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5574" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nFind the ordered pair $(a,b)$ of integers such that\n\\[\\sqrt{9 - 8 \\sin 50^\\circ} = a + b \\csc 50^\\circ.\\]\n\nR...
MATH
{ "ground_truth": "(3,-1)", "style": "rule-lighteval/MATH_v2" }
{ "index": "5575" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nEvaluate\n\\[\\begin{vmatrix} 1 & x & y \\\\ 1 & x + y & y \\\\ 1 & x & x + y \\end{vmatrix}.\\]\n\nRemember to put yo...
MATH
{ "ground_truth": "xy", "style": "rule-lighteval/MATH_v2" }
{ "index": "5576" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nThe matrix $\\mathbf{A} = \\begin{pmatrix} 2 & 3 \\\\ 5 & d \\end{pmatrix}$ satisfies\n\\[\\mathbf{A}^{-1} = k \\mathb...
MATH
{ "ground_truth": "\\left( -2, \\frac{1}{19} \\right)", "style": "rule-lighteval/MATH_v2" }
{ "index": "5577" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nThe projection of $\\begin{pmatrix} 0 \\\\ 3 \\end{pmatrix}$ onto a certain vector $\\mathbf{w}$ is $\\begin{pmatrix} ...
MATH
{ "ground_truth": "\\begin{pmatrix} 33/10 \\\\ -11/10 \\end{pmatrix}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5578" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nA plane is expressed parametrically by\n\\[\\mathbf{v} = \\begin{pmatrix} 1 + s - t \\\\ 2 - s \\\\ 3 - 2s + 2t \\end{...
MATH
{ "ground_truth": "2x + z - 5 = 0", "style": "rule-lighteval/MATH_v2" }
{ "index": "5579" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nFind the smallest positive integer $k$ such that $\nz^{10} + z^9 + z^6+z^5+z^4+z+1\n$ divides $z^k-1$.\n\nRemember to ...
MATH
{ "ground_truth": "84", "style": "rule-lighteval/MATH_v2" }
{ "index": "5580" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nIf\n\\[\\sin x + \\cos x + \\tan x + \\cot x + \\sec x + \\csc x = 7,\\]then find $\\sin 2x.$\n\nRemember to put your ...
MATH
{ "ground_truth": "22 - 8 \\sqrt{7}", "style": "rule-lighteval/MATH_v2" }
{ "index": "5581" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nDefine the sequence $a_1, a_2, a_3, \\ldots$ by $a_n = \\sum\\limits_{k=1}^n \\sin{k}$, where $k$ represents radian me...
MATH
{ "ground_truth": "628", "style": "rule-lighteval/MATH_v2" }
{ "index": "5582" }
dapo_math_train
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: $Answer (without quotes) where $Answer is the answer to the problem.\n\nFind the number of real solutions of the equation\n\\[\\frac{x}{100} = \\sin x.\\]\n\nRemember to put your answer on i...
MATH
{ "ground_truth": "63", "style": "rule-lighteval/MATH_v2" }
{ "index": "5583" }