User contributions
- 13:33, 8 February 2018 (diff | hist) . . (+753) . . N 2018 AMC 12A Problems/Problem 25 (Created page with "===Problem=== For a positive integer <math>n</math> and nonzero digits <math>a</math>, <math>b</math>, and <math>c</math>, let <math>A_n</math> be the <math>n</math>-digit in...")
- 13:30, 8 February 2018 (diff | hist) . . (+282) . . 2018 AMC 12A Problems/Problem 1 (→Problem)
- 13:28, 8 February 2018 (diff | hist) . . (+397) . . N 2018 AMC 12A Problems/Problem 1 (Created page with "==Problem== A large urn contains <math>100</math> balls, of which <math>36 \%</math> are red and the rest are blue. How many of the blue balls must be removed so that the per...")
- 10:28, 21 November 2017 (diff | hist) . . (-921) . . 1987 AIME Problems/Problem 14 (→Solution)
- 14:55, 8 February 2017 (diff | hist) . . (+590) . . N 2017 AMC 12A Problems/Problem 13 (Created page with "==Problem== Driving at a constant speed, Sharon usually takes <math>180</math> minutes to drive from her house to her mother's house. One day Sharon begins the drive at her u...")
- 14:52, 8 February 2017 (diff | hist) . . (+470) . . N 2017 AMC 12A Problems/Problem 10 (Created page with "==Problem== Chloé chooses a real number uniformly at random from the interval <math> [ 0,2017 ]</math>. Independently, Laurent chooses a real number uniformly at random from...")
- 14:49, 8 February 2017 (diff | hist) . . (+339) . . N 2017 AMC 12A Problems/Problem 8 (Created page with "==Problem== The region consisting of all points in three-dimensional space within <math>3</math> units of line segment <math>\overline{AB}</math> has volume <math>216 \pi</ma...")
- 14:48, 8 February 2017 (diff | hist) . . (+148) . . 2017 AMC 12A Problems/Problem 7
- 14:46, 8 February 2017 (diff | hist) . . (+261) . . 2017 AMC 12A Problems/Problem 7 (→Problem)
- 14:40, 8 February 2017 (diff | hist) . . (+569) . . N 2017 AMC 12A Problems/Problem 6 (Created page with "Joy has <math>30</math> thin rods, one each of every integer length from <math>1 \text{ cm}</math> through <math>30 \text{ cm}</math>. She places the rods with lengths <math>3...")
- 14:39, 8 February 2017 (diff | hist) . . (+473) . . N 2017 AMC 12A Problems/Problem 4 (Created page with "Jerry and Silvia wanted to go from the southwest corner of a square field to the northeast corner. Jerry walked due east and then due north to reach the goal, but Silvia heade...")
- 14:33, 8 February 2017 (diff | hist) . . (+816) . . N 2017 AMC 12A Problems/Problem 3 (Created page with "==Problem== Ms. Carroll promised that anyone who got all the multiple choice questions right on the upcoming exam would receive an A on the exam. Which on of these statements...")
- 13:18, 21 February 2016 (diff | hist) . . (+885) . . 2016 AMC 10B Problems/Problem 20 (→Solution)
- 17:08, 1 February 2016 (diff | hist) . . (+9) . . 2006 AMC 12B Problems/Problem 3 (→Solution 2)
- 17:08, 1 February 2016 (diff | hist) . . (-8) . . 2006 AMC 12B Problems/Problem 3 (→Solution 2)
- 17:07, 1 February 2016 (diff | hist) . . (+1) . . 2006 AMC 12B Problems/Problem 3 (→Solution 2)
- 17:07, 1 February 2016 (diff | hist) . . (+320) . . 2006 AMC 12B Problems/Problem 3 (→Solution)
- 19:35, 10 January 2016 (diff | hist) . . (+2,356) . . 2008 AIME II Problems/Problem 8 (→Solution)
- 21:33, 9 January 2016 (diff | hist) . . (+1,280) . . 2003 AIME II Problems/Problem 8 (→Solution)
- 15:28, 25 November 2015 (diff | hist) . . (-8) . . 2015 AMC 8 Problems/Problem 21
- 15:27, 25 November 2015 (diff | hist) . . (+957) . . 2015 AMC 8 Problems/Problem 21
- 10:41, 18 June 2015 (diff | hist) . . (+52) . . 1977 USAMO Problems/Problem 5 (→Solution)
- 15:47, 17 June 2015 (diff | hist) . . (+960) . . 1977 USAMO Problems/Problem 5
- 12:18, 20 February 2014 (diff | hist) . . (+6) . . 2014 AMC 10B Problems/Problem 8 (→Problem 8)
- 12:17, 20 February 2014 (diff | hist) . . (0) . . 2014 AMC 10B Problems/Problem 3 (→Solution)
- 12:16, 20 February 2014 (diff | hist) . . (+335) . . 2014 AMC 10B Problems/Problem 3 (→Solution)
- 12:13, 20 February 2014 (diff | hist) . . (+326) . . 2014 AMC 10B Problems/Problem 6 (→Solution)
- 11:01, 15 February 2014 (diff | hist) . . (+554) . . N Utah State Math Contest (Explains the USMC) (current)