User contributions
(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)
- 20:40, 23 November 2021 (diff | hist) . . (+2) . . 2021 Fall AMC 12A Problems/Problem 21 (→Solution)
- 20:40, 23 November 2021 (diff | hist) . . (+14) . . 2021 Fall AMC 12A Problems/Problem 21 (→Solution)
- 20:38, 23 November 2021 (diff | hist) . . (+67) . . 2021 Fall AMC 12A Problems/Problem 21 (→Solution)
- 20:37, 23 November 2021 (diff | hist) . . (+1,353) . . 2021 Fall AMC 12A Problems/Problem 21 (→Solution)
- 20:36, 23 November 2021 (diff | hist) . . (+14) . . 2021 Fall AMC 12A Problems/Problem 21 (→Solution)
- 20:34, 23 November 2021 (diff | hist) . . (+891) . . N 2021 Fall AMC 12A Problems/Problem 21 (Created page with "== Solution == First realize that <math>\triangle BCY \sim \triangle DAX.</math> Thus, because <math>CY: XA = 2:3,</math> we can say that <math>BY = 2s</math> and <math>DX = 3...")
- 20:05, 23 November 2021 (diff | hist) . . (0) . . 2021 Fall AMC 12A Problems/Problem 14 (→Solution (Law of Cosines and Equilateral Triangle Area))
- 20:03, 23 November 2021 (diff | hist) . . (0) . . 2021 Fall AMC 12A Problems/Problem 13 (→Solution 2)
- 20:02, 23 November 2021 (diff | hist) . . (0) . . 2021 Fall AMC 12A Problems/Problem 13 (→Solution 2)
- 20:00, 23 November 2021 (diff | hist) . . (+1,322) . . 2021 Fall AMC 12A Problems/Problem 13
- 19:20, 23 November 2021 (diff | hist) . . (+52) . . 2021 Fall AMC 12A Problems (→Problem 13)
- 19:18, 23 November 2021 (diff | hist) . . (+1) . . 2021 Fall AMC 12A Problems (→Problem 25)
- 19:18, 23 November 2021 (diff | hist) . . (+581) . . 2021 Fall AMC 12A Problems (→Problem 25)
- 19:18, 23 November 2021 (diff | hist) . . (+521) . . 2021 Fall AMC 12A Problems (→Problem 24)
- 19:17, 23 November 2021 (diff | hist) . . (+925) . . 2021 Fall AMC 12A Problems (→Problem 16)
- 19:17, 23 November 2021 (diff | hist) . . (+928) . . 2021 Fall AMC 12A Problems (→Problem 15)
- 19:16, 23 November 2021 (diff | hist) . . (+3) . . 2021 Fall AMC 12A Problems (→Problem)
- 19:15, 23 November 2021 (diff | hist) . . (+670) . . 2021 Fall AMC 12A Problems (→Problem 14)
- 19:14, 23 November 2021 (diff | hist) . . (-14) . . 2021 Fall AMC 12A Problems (→Solution)
- 19:13, 23 November 2021 (diff | hist) . . (-46) . . 2021 Fall AMC 12A Problems (→Problem 13)
- 19:06, 23 November 2021 (diff | hist) . . (+65) . . 2021 Fall AMC 12A Problems/Problem 8 (→Solution)
- 19:02, 23 November 2021 (diff | hist) . . (+4) . . 2021 Fall AMC 12A Problems/Problem 8 (→Solution)
- 19:02, 23 November 2021 (diff | hist) . . (0) . . 2021 Fall AMC 12A Problems/Problem 8 (→Solution)
- 19:01, 23 November 2021 (diff | hist) . . (+1) . . 2021 Fall AMC 12A Problems/Problem 8 (→Solution)
- 19:01, 23 November 2021 (diff | hist) . . (-1) . . 2021 Fall AMC 12A Problems/Problem 8 (→Solution)
- 19:01, 23 November 2021 (diff | hist) . . (+1,015) . . N 2021 Fall AMC 12A Problems/Problem 8 (Created page with "== Problem == Let <math>M</math> be the least common multiple of all the integers <math>10</math> through <math>30,</math> inclusive. Let <math>N</math> be the least common mu...")
- 13:59, 23 November 2021 (diff | hist) . . (+1) . . 2021 Fall AMC 10B Problems/Problem 10 (→Solution)
- 13:05, 23 November 2021 (diff | hist) . . (+2) . . 2021 Fall AMC 10B Problems/Problem 18 (→Solution)
- 13:04, 23 November 2021 (diff | hist) . . (+3) . . 2021 Fall AMC 10B Problems/Problem 18 (→Solution)
- 13:02, 23 November 2021 (diff | hist) . . (+1,722) . . 2021 Fall AMC 10B Problems/Problem 18 (→Problem)
- 12:21, 23 November 2021 (diff | hist) . . (+737) . . 2021 Fall AMC 10B Problems/Problem 18 (→See Also)
- 11:32, 23 November 2021 (diff | hist) . . (+277) . . 2021 Fall AMC 10B Problems (→Problem 15)
- 11:30, 23 November 2021 (diff | hist) . . (+886) . . 2021 Fall AMC 10B Problems/Problem 15 (→Solution)
- 11:26, 23 November 2021 (diff | hist) . . (+885) . . 2021 Fall AMC 10B Problems/Problem 15 (→See Also)
- 11:02, 23 November 2021 (diff | hist) . . (0) . . 2021 Fall AMC 10B Problems/Problem 17 (→Solution)
- 11:01, 23 November 2021 (diff | hist) . . (+644) . . 2021 Fall AMC 10B Problems/Problem 17 (→See Also)
- 10:59, 23 November 2021 (diff | hist) . . (+475) . . 2021 Fall AMC 10B Problems/Problem 16 (→See Also)
- 10:58, 23 November 2021 (diff | hist) . . (+496) . . 2021 Fall AMC 10B Problems/Problem 13 (→Problem)
- 10:41, 23 November 2021 (diff | hist) . . (+638) . . N 2021 Fall AMC 12A Problems/Problem 3 (Created page with "Mr. Lopez has a choice of two routes to get to work. Route A is <math>6</math> miles long, and his average speed along this route is <math>30</math> miles per hour. Route B is...")
- 10:40, 23 November 2021 (diff | hist) . . (+424) . . N 2021 Fall AMC 12A Problems/Problem 2 (Created page with "Menkara has a <math>4 \times 6</math> index card. If she shortens the length of one side of this card by <math>1</math> inch, the card would have area <math>18</math> square i...")
- 10:36, 23 November 2021 (diff | hist) . . (+184) . . N 2021 Fall AMC 12A Problems/Problem 1 (Created page with "What is the value of <math>\frac{(2112 - 2021)^2}{169}?</math> <math>\textbf{(A) } 7 \qquad\textbf{(B) } 21 \qquad\textbf{(C) } 49 \qquad\textbf{(D) } 64 \qquad\textbf{(E) }...")
- 01:28, 23 November 2021 (diff | hist) . . (+1,320) . . 2021 Fall AMC 10B Problems/Problem 10 (→See Also)
- 01:19, 23 November 2021 (diff | hist) . . (+259) . . 2021 Fall AMC 10B Problems/Problem 2 (→See Also)
- 19:44, 22 November 2021 (diff | hist) . . (+911) . . 2021 Fall AMC 10A Problems/Problem 4 (→See Also)
- 19:27, 22 November 2021 (diff | hist) . . (+430) . . 2021 Fall AMC 10A Problems/Problem 3 (→Solution)
- 19:12, 22 November 2021 (diff | hist) . . (+37) . . 2021 Fall AMC 10B Problems (→Problem 1)
- 18:45, 22 November 2021 (diff | hist) . . (+287) . . 2021 Fall AMC 10A Problems (→Problem 13)
- 18:42, 22 November 2021 (diff | hist) . . (+182) . . 2021 Fall AMC 10A Problems (→Problem 12)
- 18:37, 22 November 2021 (diff | hist) . . (+465) . . N 2021 Fall AMC 10A Problems/Problem 8 (Created page with "== Solution 1 == Note that the number <math>\overline{xy} = 10x + y.</math> By the problem statement, <cmath>10x + y = x + y^2 \Rightarrow 9x = y^2 - y \Rightarrow 9x = y(y-1)...")
- 18:24, 22 November 2021 (diff | hist) . . (+483) . . N 2021 Fall AMC 10A Problems/Problem 5 (Created page with "Solution: By divisibility rules, when <math>A=1,</math> the number <math>202101</math> is divisible by <math>3.</math> When <math>A=3,</math> the number <math>202103</math> i...")
(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)
