User contributions
- 12:16, 22 December 2024 (diff | hist) . . (+126) . . 1996 AJHSME Problems/Problem 2 (→Problem) (current)
- 12:15, 22 December 2024 (diff | hist) . . (+12) . . 2024 DMC Mock 10 Problems/Problem 14 (current)
- 12:14, 22 December 2024 (diff | hist) . . (+481) . . N 2024 DMC Mock 10 Problems/Problem 14 (Created page with "First, <math>a=2</math>, since if <math>a\geq 3</math>, then <cmath> \frac{1}{a} + \frac{1}{b} + \frac{1}{c} < \frac{1}{3} + \frac{1}{3} + \frac{1}{3} = 1</cmath> and if <ma...")
- 12:13, 22 December 2024 (diff | hist) . . (+372) . . N 2024 DMC Mock 10 Problems/Problem 13 (Created page with "Let the integer we are trying to find be <math>x</math>. Then, <math>x</math> satisfies <math>\frac{48}{x^2}+x=7</math>. Since <math>x</math> and <math>7</math> are both inte...") (current)
- 12:12, 22 December 2024 (diff | hist) . . (+474) . . N 2024 DMC Mock 10 Problems/Problem 12 (Created page with "Take out the absolute values one by one. First, we have <cmath> |||||x-1|-1|-1|-1|-1|=\frac{1}{2} </cmath> so <cmath> ||||x-1|-1|-1|-1|=\frac{1}{2}\text{ or } \frac{3}{2} </...") (current)
- 12:10, 22 December 2024 (diff | hist) . . (-2) . . 2024 DMC Mock 10 Problems/Problem 11 (current)
- 12:09, 22 December 2024 (diff | hist) . . (+514) . . N 2024 DMC Mock 10 Problems/Problem 11 (Created page with "First we use complementary counting to count the total number of possibilities. There are <math>4! = 24</math> ways to arrange the officers without restrictions, and <math>2 \...")
- 12:08, 22 December 2024 (diff | hist) . . (+283) . . N 2024 DMC Mock 10 Problems/Problem 10 (Created page with "Notice that <math>a_n-a_{n-1}=2(a_{n-1}-a_{n-2})</math>. Since <math>a_2-a_1=1</math>, we get <cmath> a_{100}=(a_{100}-a_{99})+(a_{99}-a_{98})+\dots+(a_2-a_1)=2^{98}+2^{97}+\...") (current)
- 19:04, 17 December 2024 (diff | hist) . . (-18) . . FidgetBoss 4000's 2019 Mock AMC 12B Problems/Problem 3 (current)
- 12:04, 17 December 2024 (diff | hist) . . (+78) . . 2000 AMC 12 Problems/Problem 24 (→Solution (Pythagorean Theorem)) (current)
- 11:57, 17 December 2024 (diff | hist) . . (+485) . . 2015 Final tour - Azerbaijan in lower age category (current)
- 11:50, 5 December 2024 (diff | hist) . . (+2) . . m 1961 AHSME Problems/Problem 37 (→Solution 2) (current)
- 21:09, 16 September 2024 (diff | hist) . . (-12,938) . . DMC Mock AMC 10 (Blanked the page) (current) (Tag: Blanking)
- 20:05, 16 September 2024 (diff | hist) . . (+411) . . N 2024 DMC Mock 10 Problems/Problem 9 (Created page with "If Nathan brings <math>n</math> people with him, then he pays <math>n+1+\frac{100}{n+1}</math> dollars for the gift and the drive. <math>n+1+\frac{100}{n+1}<n+2+\frac{100}{n+2...") (current)
- 20:03, 16 September 2024 (diff | hist) . . (+13) . . 2024 DMC Mock 10 Problems/Problem 8 (current)
- 20:03, 16 September 2024 (diff | hist) . . (+293) . . N 2024 DMC Mock 10 Problems/Problem 8 (Created page with "Note the identity <math>a^2+b^2+c^2-ab-ba-ca=\frac{(a-b)^2+(b-c)^2+(c-a)^2}{2}</math>. Substituting in the values, we see that the expression is <math>\frac{3^2+4^2+7^2}{2}=\b...")
- 20:01, 16 September 2024 (diff | hist) . . (+295) . . N 2024 DMC Mock 10 Problems/Problem 7 (Created page with "The Reunion Tower is originally <math>20\%</math> of the height of the Burj Khalifa, so to make it <math>90\%</math> of the height we need to scale it by <math>\frac{9}{2}</ma...") (current)
- 20:00, 16 September 2024 (diff | hist) . . (+155) . . N 2024 DMC Mock 10 Problems/Problem 6 (Created page with "First give <math>5</math> candies to Bob, then use stars-and-bars to distribute the remaining candies. The answer is <math>\binom{12}{2}=\boxed{66}</math>.") (current)
- 19:59, 16 September 2024 (diff | hist) . . (+244) . . N 2024 DMC Mock 10 Problems/Problem 5 (Created page with "If a logician does not want coffee then they will answer ”no” to the question, so the first nine logicians want coffee. Since the tenth logician says ”no”, they do not...") (current)
- 19:59, 16 September 2024 (diff | hist) . . (-2) . . 2024 DMC Mock 10 Problems/Problem 4 (current)
- 19:58, 16 September 2024 (diff | hist) . . (+1) . . 2024 DMC Mock 10 Problems/Problem 4
- 19:58, 16 September 2024 (diff | hist) . . (0) . . 2024 DMC Mock 10 Problems/Problem 4
- 19:57, 16 September 2024 (diff | hist) . . (+166) . . N 2024 DMC Mock 10 Problems/Problem 4 (Created page with "<math>n</math> must divide both <math>47-32=15</math> and <math>77-45=30</math> because <math>32\equiv47\equiv77 (\mod n)</math>. <math>\gcd(15,30)=\boxed{15}</math>.")
- 19:56, 16 September 2024 (diff | hist) . . (+174) . . N 2024 DMC Mock 10 Problems/Problem 3 (Created page with "It takes <math>15\cdot10 = 150</math> minutes to deliver all the cakes, which is <math>2</math> hours and <math>30</math> minutes, so the answer is <math>\boxed{3:30}</math>.") (current)
- 19:55, 16 September 2024 (diff | hist) . . (+118) . . N 2024 DMC Mock 10 Problems/Problem 2 (Created page with "Branden Kim is <math>1.5</math> meters tall so he is <math>1000-1.5=\boxed{998.5}</math> meters away from the heavens.") (current)
- 19:54, 16 September 2024 (diff | hist) . . (+12,938) . . N 2024 DMC Mock 10 Problems (Created page with "===Problem 1=== Compute the value of <math>8\left(\frac{2}{13}+\frac{2}{15}\right)+2\left(\frac{5}{13}+\frac{7}{15}\right)</math> <math>\textbf{(A)}\ \frac{40}{13}\qquad\tex...") (current)
- 19:53, 16 September 2024 (diff | hist) . . (+99) . . N 2024 DMC Mock 10 Problems/Problem 1 (Created page with "Expanding gives <math>\frac{16}{13}+\frac{16}{15}+\frac{10}{13}+\frac{14}{15}=2+2=\boxed{4}</math>.") (current)
- 19:14, 16 September 2024 (diff | hist) . . (0) . . DMC Mock AMC 10
- 19:14, 16 September 2024 (diff | hist) . . (0) . . DMC Mock AMC 10
- 19:13, 16 September 2024 (diff | hist) . . (+3,882) . . DMC Mock AMC 10
- 19:03, 16 September 2024 (diff | hist) . . (+2,774) . . DMC Mock AMC 10
- 18:57, 16 September 2024 (diff | hist) . . (+925) . . DMC Mock AMC 10
- 18:55, 16 September 2024 (diff | hist) . . (-10) . . DMC Mock AMC 10
- 18:54, 16 September 2024 (diff | hist) . . (+1,446) . . DMC Mock AMC 10
- 18:50, 16 September 2024 (diff | hist) . . (+2,042) . . DMC Mock AMC 10
- 18:43, 16 September 2024 (diff | hist) . . (+1,599) . . DMC Mock AMC 10 (page)
- 18:40, 16 September 2024 (diff | hist) . . (+13) . . DMC Mock AMC 10 (→Problem 1)
- 18:39, 16 September 2024 (diff | hist) . . (+267) . . N DMC Mock AMC 10 (→Problem 1)
- 10:01, 29 June 2024 (diff | hist) . . (-5) . . 1958 AHSME Problems/Problem 42 (→Solution) (current)
- 10:01, 29 June 2024 (diff | hist) . . (-3) . . 1958 AHSME Problems/Problem 42 (→Solution)
- 10:01, 29 June 2024 (diff | hist) . . (+1) . . 1958 AHSME Problems/Problem 42 (→Solution)
- 10:00, 29 June 2024 (diff | hist) . . (+8) . . 1958 AHSME Problems/Problem 42 (→Solution)
- 10:00, 29 June 2024 (diff | hist) . . (0) . . 1958 AHSME Problems/Problem 42 (→Solution)
- 09:59, 29 June 2024 (diff | hist) . . (-50) . . 1958 AHSME Problems/Problem 42 (→Solution)
