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[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nThe ellipse whose equation is\n\\[\\frac{x^2}{25} + \\frac{y^2}{9} = 1\\]is graphed below. The chord $\\overline{AB}$ passes ...
13
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nTamika selects two different numbers at random from the set $\\{8,9,10\\}$ and adds them. Carlos takes two different numbers a...
13
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nThe first four terms in an arithmetic sequence are $x+y$, $x-y$, $xy$, and $x/y$, in that order. What is the fifth term? Expre...
163
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nCompute\n\\[\\frac{5}{3^2 \\cdot 7^2} + \\frac{9}{7^2 \\cdot 11^2} + \\frac{13}{11^2 \\cdot 15^2} + \\dotsb.\\]The answer is i...
73
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nA point $(x,y)$ is randomly and uniformly chosen inside the square with vertices (0,0), (0,2), (2,2), and (2,0). What is the ...
15
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nFour circles with radii 1, 2, 3, and $r$ are externally tangent to one another, where $r$ is the smallest radius. Compute $r$...
29
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nThe fourth degree polynomial equation $x^4 - 7x^3 + 4x^2 + 7x - 4 = 0$ has four real roots, $a$, $b$, $c$ and $d$. What is the...
11
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nThe field shown has been planted uniformly with wheat. [asy]\ndraw((0,0)--(1/2,sqrt(3)/2)--(3/2,sqrt(3)/2)--(2,0)--(0,0),linew...
17
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nFour packages are delivered to four houses, one to each house. If these packages are randomly delivered, what is the probabili...
5
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nJuan, Carlos and Manu take turns flipping a coin in their respective order. The first one to flip heads wins. What is the prob...
8
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nThese two spinners are divided into thirds and quarters, respectively. If each of these spinners is spun once, what is the pro...
5
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nTriangle $ABC$ and triangle $DEF$ are congruent, isosceles right triangles. The square inscribed in triangle $ABC$ has an area...
43
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nTwo circles with spinners at their centers are divided into three equal regions as shown. When both spinners are spun, what is...
14
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nFind all real values of $x$ such that $$\\frac{2x^2-3x}{x^2-x} + 5x -11 = \\frac{3x^2+5x+2}{x^2-1}.$$Enter all the solutions, ...
7
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nA park is in the shape of a regular hexagon $2$ km on a side. Starting at a corner, Alice walks along the perimeter of the par...
14
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nLet $a,$ $b,$ $c$ be real numbers such that\n\\[a + 3b + 4c = a^2 + b^2 + c^2 = 25.\\]Find the largest possible value of $a.$T...
38
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nLet $a$ and $b$ be positive integers satisfying $\\frac{ab+1}{a+b} < \\frac{3}{2}$. Find the maximum possible value of $\\frac...
36
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nCybil and Ronda are sisters. The 10 letters from their names are placed on identical cards so that each of 10 cards contains o...
14
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nSuppose that $\\sec x+\\tan x=\\frac{22}7.$ Find $\\csc x+\\cot x.$The answer is in the form \frac{m}{n}, where gcd(m, n) = 1...
44
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nLet $ a$, $ b$, $ c$ be nonzero real numbers such that $ a+b+c=0$ and $ a^3+b^3+c^3=a^5+b^5+c^5$. Find the value of\n$ a^2+b^2...
11
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nTwo fair, six-sided dice are rolled. What is the probability that the sum of the two numbers showing is between 3 and 11, inc...
35
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nThe ellipse $x^2+4y^2=4$ and the hyperbola $x^2-m(y+2)^2 = 1$ are tangent. Compute $m.$The answer is in the form \frac{m}{n}, ...
25
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nIf $\\mathbf{a}$ and $\\mathbf{b}$ are two unit vectors, with an angle of $\\frac{\\pi}{3}$ between them, then compute the vol...
7
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nPoint $P$ is located inside triangle $ABC$ so that angles $PAB, PBC,$ and $PCA$ are all congruent. The sides of the triangle h...
463
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nFor a certain hyperbola\n\\[\\frac{x^2}{a^2} - \\frac{y^2}{b^2} = 1,\\]where $a > b,$ the angle between the asymptotes is $60^...
4
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nLet $x,$ $y,$ and $z$ be nonnegative numbers such that $x^2 + y^2 + z^2 = 1.$ Find the maximum value of\n\\[2xy \\sqrt{6} + 8...
23
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nIn $\\triangle PQR$, we have $PQ = QR = 34$ and $PR = 32$. Point $M$ is the midpoint of $\\overline{QR}$. Find $PM$.The answ...
92
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nCompute $$\\sum_{n=0}^{\\infty}\\frac{n}{n^4+n^2+1}.$$The answer is in the form \frac{m}{n}, where gcd(m, n) = 1. Please provi...
3
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nFor all values of $x$ for which it is defined, $f(x) = \\cot \\frac{x}{4} - \\cot x$ can be written as\n\\[f(x) = \\frac{\\sin...
7
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nThe polynomial $f(x)=x^{2007}+17x^{2006}+1$ has distinct zeroes $r_1,\\ldots,r_{2007}$. A polynomial $P$ of degree $2007$ has...
548
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nIn triangle $ABC,$ $\\overline{CD}$ is the bisector of angle $C,$ with $D$ on $\\overline{AB}.$ If $\\cos \\frac{C}{2} = \\fr...
10
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nCompute\n\\[\\frac{\\lfloor \\sqrt[4]{1} \\rfloor \\cdot \\lfloor \\sqrt[4]{3} \\rfloor \\cdot \\lfloor \\sqrt[4]{5} \\rfloor ...
21
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nDefine $L(x) = x - \\frac{x^2}{2}$ for every real number $x$. If $n$ is a positive integer, define $a_n$ by\n\\[\n a_n = L \...
53
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nEach triangle is a 30-60-90 triangle, and the hypotenuse of one triangle is the longer leg of an adjacent triangle. The hypote...
11
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nRyan has 3 red lava lamps and 3 blue lava lamps. He arranges them in a row on a shelf randomly, then turns 3 random lamps on. ...
27
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nThree points are chosen randomly and independently on a circle. What is the probability that all three pairwise distances betw...
13
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nEach of five, standard, six-sided dice is rolled once. What is the probability that there is at least one pair but not a three...
61
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nIf altitude $CD$ is $\\sqrt3$ centimeters, what is the number of square centimeters in the area of $\\Delta ABC$?\n\n[asy] imp...
5
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nIf I roll 5 standard 6-sided dice and multiply the number on the face of each die, what is the probability that the result is ...
971
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nGiven that $-4\\leq x\\leq-2$ and $2\\leq y\\leq4$, what is the largest possible value of $\\frac{x+y}{x}$?The answer is in th...
3
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nWe roll a fair 6-sided die 5 times. What is the probability that we get a 6 in at most 2 of the rolls?The answer is in the fo...
1273
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nFind the volume of the region given by the inequality\n\\[|x + y + z| + |x + y - z| + |x - y + z| + |-x + y + z| \\le 4.\\]The...
23
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nIn the figure, circle $O$ has radius 6 units. Chord $CD$ has length 8 units and is parallel to segment $KB$. If $KA$ = 12 unit...
13
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nThe graph of $y = \\frac{p(x)}{q(x)}$ is shown below, where $p(x)$ and $q(x)$ are quadratic. (Assume that the grid lines are ...
9
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nRectangle $ABCD$ is inscribed in triangle $EFG$ such that side $AD$ of the rectangle is on side $EG$ of the triangle, as shown...
1297
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nCircles with centers at $O$ and $P$ have radii 2 and 4, respectively, and are externally tangent. Points $A$ and $B$ on the ci...
26
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nTina randomly selects two distinct numbers from the set $$\\{1,2,3,4,5\\},$$and Sergio randomly selects a number from the set ...
7
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nWhat is the value of $x$ in the diagram?\n\n[asy]\n\nimport olympiad;\n\ndraw((0,0)--(sqrt(3),0)--(0,sqrt(3))--cycle);\n\ndraw...
7
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nPoints $A$, $B$, $C$, and $T$ are in space such that each of $\\overline{TA}$, $\\overline{TB}$, and $\\overline{TC}$ is perpe...
8
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nCompute\n\\[\\cos \\frac{2 \\pi}{7} \\cos \\frac{4 \\pi}{7} \\cos \\frac{8 \\pi}{7}.\\]The answer is in the form \frac{m}{n}, ...
9
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nA binary operation $\\diamondsuit$ has the properties that $a\\,\\diamondsuit\\, (b\\,\\diamondsuit \\,c) = (a\\,\\diamondsuit...
109
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nIf\n\\[x + \\sqrt{x^2 - 1} + \\frac{1}{x - \\sqrt{x^2 - 1}} = 20,\\]then find\n\\[x^2 + \\sqrt{x^4 - 1} + \\frac{1}{x^2 + \\sq...
10401
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nSuppose we flip four coins simultaneously: a penny, a nickel, a dime, and a quarter. What is the probability that at least 15...
13
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nA right pyramid with a square base has total surface area 432 square units. The area of each triangular face is half the area...
291
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nAn envelope contains eight bills: 2 ones, 2 fives, 2 tens, and 2 twenties. Two bills are drawn at random without replacement. ...
3
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nFind the distance between the vertices of the hyperbola $9x^2 + 54x - y^2 + 10y + 55 = 0.$The answer is in the form \frac{m}{n...
5
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nA regular hexagon of side length 1 is placed vertically along one of its edges on a flat surface. A particle is fired from th...
8
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nIn triangle $ABC$,\n\\[2a^2 + 4b^2 + c^2 = 4ab + 2ac.\\]Compute the numerical value of $\\cos B.$The answer is in the form \fr...
15
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nThe line $x = k$ intersects the graph of the parabola $x = -2y^2 - 3y + 5$ at exactly one point. What is $k$?The answer is in...
57
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nFind the maximum value of\n\\[\\cos \\theta_1 \\sin \\theta_2 + \\cos \\theta_2 \\sin \\theta_3 + \\cos \\theta_3 \\sin \\thet...
7
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nIn the coordinate plane, the graph of\n\\[|x + y - 1| + \\Big| |x| - x \\Big| + \\Big| |x - 1| + x - 1 \\Big| = 0\\]is a certa...
3
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nThe altitude to the hypotenuse of a triangle with angles of 30 and 60 degrees is 3 units. What is the area of the triangle, in...
9
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nEvaluate $\\frac{7!+8!}{6!+7!}$. Express your answer as a common fraction.The answer is in the form \frac{m}{n}, where gcd(m, ...
71
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nFour prime numbers are randomly selected without replacement from the first ten prime numbers. What is the probability that th...
7
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nIn the game of Twister, a spinner randomly selects either an arm or a leg, and also selects one of four colors, one of which i...
539
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nTwo distinct positive integers from 1 to 50 inclusive are chosen. Let the sum of the integers equal $S$ and the product equal...
334
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nIn triangle $ABC,$ $\\angle B = 30^\\circ,$ $AB = 150,$ and $AC = 50 \\sqrt{3}.$ Find the sum of all possible values of $BC.$...
153
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} 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} - 16z^{17} +...
461
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nIn rectangle $ABCD$, $AB = 6$ cm, $BC = 8$ cm, and $DE = DF$. The area of triangle $DEF$ is one-fourth the area of rectangle $...
7
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nJane and her brother each spin this spinner once. The spinner has five congruent sectors. If the non-negative difference of th...
44
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nWhat is the sixth term in the geometric sequence $\\frac{27}{125}, \\frac{9}{25}, \\frac{3}{5},\\ldots$? Express your answer ...
34
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nSuppose $PABCD$ is a right square pyramid with apex $P$ and base $ABCD$. If $PBD$ is an equilateral triangle with side length...
21
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nRectangle $ABCD$ has area $2006.$ An ellipse with area $2006\\pi$ passes through $A$ and $C$ and has foci at $B$ and $D$. What...
1011
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nIn the diagram below, $WXYZ$ is a trapezoid such that $\\overline{WX}\\parallel \\overline{ZY}$ and $\\overline{WY}\\perp\\ove...
14
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nA circle of radius $2$ has center at $(2,0)$. A circle of radius $1$ has center at $(5,0)$. A line is tangent to the two circ...
4
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nThere exist nonzero integers $a$ and $b$ such that the quadratic\n\\[(ax - b)^2 + (bx - a)^2 = x\\]has one integer root and on...
3
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nExpress $\\sqrt{x} \\div\\sqrt{y}$ as a common fraction, given:\n\n$\\frac{ {\\left( \\frac{1}{2} \\right)}^2 + {\\left( \\fra...
13
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nGiven that\n\\[\\cos 2 \\theta = \\frac{1 + \\sqrt{5}}{4},\\]find $\\tan^2 \\theta \\tan^2 3 \\theta.$The answer is in the for...
6
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nIf two numbers will be randomly chosen without replacement from $\\{3, 4, 5, 6\\}$, what is the probability that their product...
7
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nIn isosceles triangle $\\triangle ABC$ we have $AB=AC=4$. The altitude from $B$ meets $\\overline{AC}$ at $H$. If $AH=3(HC)$...
4
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nFind the sum of the infinite series $1+2\\left(\\dfrac{1}{1998}\\right)+3\\left(\\dfrac{1}{1998}\\right)^2+4\\left(\\dfrac{1}{...
7980013
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nTwo cylindrical cans have the same volume. The height of one can is triple the height of the other. If the radius of the narro...
15
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nThe area of the semicircle in Figure A is half the area of the circle in Figure B. The area of a square inscribed in the semic...
7
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nSuppose $f(x)$ is a rational function such that $3f\\left(\\dfrac{1}{x}\\right)+\\dfrac{2f(x)}{x}=x^2$ for $x\\neq 0$. Find $...
87
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nThe complex number $z = re^{i \\theta}$ satisfies\n\\[\\left| 2z + \\frac{1}{z} \\right| = 1.\\]Find the minimum value of $\\s...
15
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nLet $x$ and $y$ be real numbers such that $\\frac{\\sin x}{\\sin y} = 3$ and $\\frac{\\cos x}{\\cos y} = \\frac12$. Find the v...
107
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nEvaluate \\[\\sqrt{5 + \\sqrt{21}} + \\sqrt{5 - \\sqrt{21}}.\\]The answer is in the form k\\sqrt{m}+n,. Please provide the val...
15
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nIn triangle $\\triangle ABC,$ we have that $AB = AC = 14$ and $BC = 26.$ What is the length of the shortest angle bisector in ...
6
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nLet $\\theta$ be the smallest acute angle for which $\\sin \\theta,$ $\\sin 2 \\theta,$ $\\sin 3 \\theta$ form an arithmetic p...
7
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nWhat is the value of $x$ in the diagram?\n\n[asy]\nimport olympiad;\ndraw((0,0)--(sqrt(3),0)--(0,sqrt(3))--cycle);\ndraw((0,0)...
6
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nIf\n\\[\\frac{\\sin^2 3A}{\\sin^2 A} - \\frac{\\cos^2 3A}{\\cos^2 A} = 2,\\]then find $\\cos 2A.$The answer is in the form \fr...
5
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nThe numbers from 1 to 150, inclusive, are placed in a bag and a number is randomly selected from the bag. What is the probabil...
19
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nPat wants to select 8 pieces of fruit to bring in the car for the people he's driving to Montana with. He randomly chooses eac...
8465
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nLet $r$ be the positive real solution to $x^3 + \\frac{2}{5} x - 1 = 0.$ Find the exact numerical value of\n\\[r^2 + 2r^5 + 3...
29
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nMike draws five cards from a standard 52-card deck. What is the probability that he draws a card from at least three of the fo...
1102
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nLet $a$ and $b$ be the positive roots of $x^2 - 3x + 1 = 0.$ Find\n\\[\\frac{a}{\\sqrt{b}} + \\frac{b}{\\sqrt{a}}.\\]The answ...
7
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nFour standard six-sided dice are to be rolled. What is the probability that the product of the numbers on the top faces will b...
109
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nThe graph of $y = \\frac{p(x)}{q(x)}$ is shown below, where $p(x)$ is linear and $q(x)$ is quadratic. (Assume that the grid l...
4
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nIn $\\triangle ABC$ we have $AB=7$, $AC=8$, and $BC=9$. Point $D$ is on the circumscribed circle of the triangle so that $\\ov...
8
[ { "content": "Solve the following math problem step by step. The last line of your response should be of the form Answer: \\boxed{$Answer} where $Answer is the answer to the problem.\n\nLet $x_1, x_2, \\dots , x_6$ be non-negative real numbers such that $x_1 +x_2 +x_3 +x_4 +x_5 +x_6 =1$, and $x_1 x_3 x_5 +x_2 x...
559