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  • ...math>40</math> coins in toll to Rabbit after each crossing. The payment is made after the doubling, Fox is excited about his good fortune until he discover {{AMC10 box|year=2016|ab=A|num-b=7|num-a=9}}
    1 KB (169 words) - 13:59, 8 August 2021
  • ...regions is <math>1</math> foot wide on all four sides. What is the length in feet of the inner rectangle? ...x, 2x+6, 2x+14</math> is an arithmetic progression, meaning that the terms in the sequence increase by the same amount each term.
    2 KB (323 words) - 23:39, 18 October 2020
  • ...sted on the [[Art of Problem Solving]] message boards. They are generally made by one community member and then administered for any of the other communit ...etition. There is no guarantee that community members will make Mock AMCs in any given year, but there probably will be one.
    57 KB (6,904 words) - 16:41, 1 November 2021
  • ...ns have been hosted on the Art of Problem Solving message boards. Some are made by one community member and administered to the AoPS community, while other ...on. There is no guarantee that community members will make Mock MATHCOUNTS in any given year, but it's usually a good bet that someone will.
    26 KB (3,214 words) - 18:54, 13 July 2021
  • There is an unlimited supply of [[congruent]] [[equilateral triangle]]s made of colored paper. Each [[triangle]] is a solid color with the same color on ...wo triangles distinct, they must differ either in their center triangle or in the collection of colors which make up their outer three triangles.
    4 KB (695 words) - 21:34, 28 February 2021
  • ...s, and is helpful in solving complex geometry problems involving lengths. In essence, it involves using a local [[coordinate system]] to identify [[poin ...hnique did not catch on until the 1960s when New York high school students made it popular. The technique greatly simplifies certain problems. Mass point g
    5 KB (789 words) - 18:00, 6 October 2021
  • ...sted on the [[Art of Problem Solving]] message boards. They are generally made by one community member and then administered for any of the other communit ...etition. There is no guarantee that community members will make Mock AMCs in any given year, but there probably will be one.
    18 KB (2,206 words) - 18:41, 24 December 2020
  • {{AMC10 Problems|year=2016|ab=A}} [[2016 AMC 10A Problems/Problem 1|Solution]]
    14 KB (2,079 words) - 13:24, 3 September 2020
  • ...region has been eliminated in 2015. It is uncertain about their existence in the future. *2016: Vincent Li (Whittier Middle School)
    3 KB (420 words) - 10:08, 21 October 2021
  • ...rac{m}{n}</math> to study. Let <math>p</math> denote the previous fraction in the list and <math>x_\text{old}</math> (<math>0 \le x_\text{old} < k</math> ...the value <math>\lfloor n \{ x \} \rfloor</math>. Since the overall change in <math>f(x)</math> is positive as fractions <math>m/n</math> increase, we de
    8 KB (1,218 words) - 09:14, 15 October 2021
  • ...0)</math>. Find the area of this circle in the first quadrant. The area is made of a semi-circle with radius of <math>\frac{\sqrt{2}}{2}</math> and a trian Because of symmetry, the area is the same in all four quadrants.
    1 KB (188 words) - 00:16, 2 February 2018
  • In <math>\triangle ABC</math> let <math>I</math> be the center of the inscribe ...th>R+d=DL+LI=5</math>. Euler gives us that <math>d^{2}=R(R-2r)</math>, and in this case, <math>r=LI=2</math>. Thus, <math>d=\sqrt{R^{2}-4R}</math>. Solvi
    12 KB (2,090 words) - 19:11, 22 November 2021
  • ...x^3)P'(x^5)P'(x^7)P'(x^9)</math>, we have made it so that all coefficients in <math>Q'(x)</math> are just the positive/absolute values of the coefficient ...s like this (including <math>P(x)P(x^3)P(x^5)P(x^7)P(x^9)</math>), we plug in <math>-1</math> to get <math>\frac{243}{32} \implies \boxed{275}</math>.
    2 KB (388 words) - 18:56, 18 October 2020
  • The figure below shows a ring made of six small sections which you are to paint on a wall. You have four paint ...proceeding clockwise) such that the last section has color <math>C</math>. In general (except for when we complete the coloring), we see that
    15 KB (2,548 words) - 13:32, 22 July 2021
  • {{AIME Problems|year=2016|n=II}} [[2016 AIME II Problems/Problem 1 | Solution]]
    8 KB (1,312 words) - 20:16, 3 March 2021
  • ...e up. It is now 1,000,000 dollars for one math problem. Gmaas's technician made a mistake and reciprocated the fee," you must pay <math>1,000,000</math> to 4. Gmaas wants every fact to have a pi reference. Gmaas created pi. EDIT: He made it 3.1415926 times.
    69 KB (11,805 words) - 19:49, 18 December 2019
  • ...h>M\in\overline{AB},</math> <math>Q\in\overline{AC},</math> and <math>N, P\in\overline{BC}.</math> Let <math>S</math> be the intersection of lines <math> Since the rotation between the two triangles in 90 degrees, <math>OI\perp MR</math>. However, <math>l</math> is parallel to
    6 KB (1,078 words) - 12:35, 26 July 2016
  • ...s, and one calls her every five days. All three called her on December 31, 2016. On how many days during the next year did she not receive a phone call fro We use Principle of Inclusion-Exclusion. There are <math>365</math> days in the year, and we subtract the days that she gets at least <math>1</math> ph
    5 KB (706 words) - 11:55, 2 November 2021
  • ...to Lexington MA, where he made many friends and studied deeper and harder in math. * RSM Olympiad (2016 International Math Contest) Gold Medal (Score 12/12)
    7 KB (1,018 words) - 14:26, 26 November 2021
  • Five people are gathered in a meeting. Some pairs of people shakes hands. An ordered triple of people < ...Sanji places the gold coins. Determine the minimum value of <math>k</math> in which this is possible.
    3 KB (531 words) - 23:07, 12 August 2018

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