User contributions
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- 16:07, 1 April 2021 (diff | hist) . . (+782) . . N 2021 JMC 10 Problems/Problem 4 (Created page with "==Problem== A day in the format <math>mm/dd</math> is called ''binary'' if all of the digits are either <math>0</math>s or <math>1</math>s with leading zeros allowed. How many...") (current)
- 16:06, 1 April 2021 (diff | hist) . . (+875) . . N 2021 JMC 10 Problems/Problem 3 (Created page with "==Problem== A group of <math>8</math> people are either honest or liars, where honest people always tell the truth and liars always lie. People <math>P_1,P_2, \cdots, P_8</mat...") (current)
- 16:05, 1 April 2021 (diff | hist) . . (+927) . . N 2021 JMC 10 Problems/Problem 18 (Created page with "==Problem 18== If <math>x,y,</math> and <math>z</math> are positive real numbers that satisfy the equation <cmath>xy+yz+xz=96(y+z)-x^2 = 24(x+z) -y^2 = 54(x+y) -z^2,</cmath>...") (current)
- 16:03, 1 April 2021 (diff | hist) . . (-2) . . 2021 JMC 10 Problems/Problem 19 (→Solution) (current)
- 16:02, 1 April 2021 (diff | hist) . . (+1,172) . . N 2021 JMC 10 Problems/Problem 19 (Created page with "==Problem== Two distinct divisors of <math>6^4=1296</math> are ''mutual'' if their difference divides their product. For instance, <math>(4,2)</math> is mutual as <math>(4-2)...")
- 16:00, 1 April 2021 (diff | hist) . . (+4,160) . . N 2021 JMC 10 Problems/Problem 20 (Created page with "==Problem== A particle is in a <math>5 \times 5</math> grid. Each second, it moves to an adjacent cell and when traveling from a cell to another cell, it takes one of the pat...")
- 15:56, 1 April 2021 (diff | hist) . . (-13) . . 2021 JMC 10 Problems/Problem 21 (→Solution) (current)
- 15:55, 1 April 2021 (diff | hist) . . (+2,432) . . N 2021 JMC 10 Problems/Problem 21 (Created page with "==Problem== Two identical circles <math>\omega_{a}</math> and <math>\omega_{b}</math> with radius <math>1</math> have centers that are <math>\tfrac{4}{3}</math> units apart. T...")
- 15:51, 1 April 2021 (diff | hist) . . (+1,119) . . N 2021 JMC 10 Problems/Problem 22 (Created page with "==Problem== Let <math>r_1,r_2,r_3,r_4</math> be the roots of <math>P(x)= x^4+4x^3-3x^2+2x-1.</math> Suppose <math>Q(x)</math> is the monic polynomial with all six roots in th...") (current)
- 15:49, 1 April 2021 (diff | hist) . . (+1,733) . . N 2021 JMC 10 Problems/Problem 23 (Created page with "==Problem== An invisible ant and an anteater, at the same constant speed of <math>1</math> edge length per second, start at (not necessarily distinct) randomly chosen vertice...") (current)
- 15:46, 1 April 2021 (diff | hist) . . (+1,876) . . N 2021 JMC 10 Problems/Problem 25 (Created page with "==Problem== How many ordered pairs of positive integers <math>(a,b)</math> with <math>a \le 100</math> and <math>b \le 10</math> exist such that neither the numerator nor deno...") (current)
- 15:43, 1 April 2021 (diff | hist) . . (+2,087) . . N 2021 JMC 10 Problems/Problem 24 (Created page with "==Problem== In cyclic convex hexagon <math>AZBXCY,</math> diagonals <math>\overline{AX}</math>, <math>\overline{BY}</math>, and <math>\overline{CZ}</math> concur at the circu...")
- 15:39, 1 April 2021 (diff | hist) . . (+544) . . N 2021 JMC 10 Problems/Problem 2 (Created page with "==Problem== There exist irrational numbers <math>e\approx 2.72</math> and <math>\pi \approx 3.14.</math> How can <math>|\pi - |e - | e - \pi|||</math> be expressed in terms of...") (current)
- 15:34, 1 April 2021 (diff | hist) . . (+296) . . N 2021 JMC 10 Problems/Problem 1 (Created page with "== Problem == What is the value of <cmath>\dfrac{20}{2\cdot1} - \dfrac{2+0}{2/1}?</cmath> <math>\textbf{(A) } 3 \qquad\textbf{(B) } 7 \qquad\textbf{(C) } 8 \qquad\textbf{(D)...") (current)
- 00:07, 1 April 2021 (diff | hist) . . (-10) . . 2021 JMC 10
- 23:27, 31 March 2021 (diff | hist) . . (+11,908) . . N 2021 JMC 10 (Created page with " ==Problem 1== What is the value of <cmath>\dfrac{20}{2\cdot1} - \dfrac{2+0}{2/1}?</cmath> <math>\textbf{(A) } 3 \qquad\textbf{(B) } 7 \qquad\textbf{(C) } 8 \qquad\textbf{(D...")
- 23:45, 17 November 2020 (diff | hist) . . (+330) . . Mock AMC (→Mock AMC 10)
- 15:40, 3 November 2020 (diff | hist) . . (+1) . . Mock AMC (→Mock AMC 10)
- 13:51, 1 November 2020 (diff | hist) . . (+353) . . Mock AMC
- 00:28, 28 September 2020 (diff | hist) . . (+420) . . Mock AMC (→Mock AMC 8)
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