9 April 2009

• 14:0314:03, 9 April 2009 diff hist −10 2009 AIME II Problems/Problem 4 →Solving this problem
• 14:0114:01, 9 April 2009 diff hist +23 2009 AIME II Problems/Problem 1 No edit summary
• 14:0014:00, 9 April 2009 diff hist +2 2009 AIME II Problems/Problem 11 →See Also

7 April 2009

• 22:2722:27, 7 April 2009 diff hist +1,260 N 2009 AIME II Problems/Problem 1 New page: == Problem == Before starting to paint, Bill had <math>130</math> ounces of blue paint, <math>164</math> ounces of red paint, and <math>188</math> ounces of white paint. Bill painted four ...
• 21:1121:11, 7 April 2009 diff hist +2 2009 AIME II Problems/Problem 9 →Solution

22 March 2009

• 18:1618:16, 22 March 2009 diff hist +384 2009 AIME I Problems/Problem 12 →Solution
• 18:0218:02, 22 March 2009 diff hist +373 2009 AIME I Problems/Problem 12 →Solution
• 17:4917:49, 22 March 2009 diff hist +33 2009 AIME I Problems/Problem 11 →Solution
• 17:4717:47, 22 March 2009 diff hist +25 2009 AIME I Problems/Problem 11 →Solution
• 17:4617:46, 22 March 2009 diff hist +58 2009 AIME I Problems/Problem 11 →Solution

21 March 2009

• 01:5101:51, 21 March 2009 diff hist −32 2009 AIME I Problems/Problem 5 →Solution

20 March 2009

• 20:3420:34, 20 March 2009 diff hist +825 N 2009 AIME I Problems/Problem 15 New page: == Problem == In triangle <math>ABC</math>, <math>AB = 10</math>, <math>BC = 14</math>, and <math>CA = 16</math>. Let <math>D</math> be a point in the interior of <math>\overline{BC}</math...
• 20:3220:32, 20 March 2009 diff hist +313 N 2009 AIME I Problems/Problem 13 New page: == Problem == The terms of the sequence <math>(a_i)</math> defined by <math>a_{n + 2} = \frac {a_n + 2009} {1 + a_{n + 1}}</math> for <math>n \ge 1</math> are positive integers. Find the m...
• 20:3120:31, 20 March 2009 diff hist +809 N 2009 AIME I Problems/Problem 12 New page: == Problem == In right <math>\triangle ABC</math> with hypotenuse <math>\overline{AB}</math>, <math>AC = 12</math>, <math>BC = 35</math>, and <math>\overline{CD}</math> is the altitude to ...
• 20:3020:30, 20 March 2009 diff hist +59 2009 AIME I Problems/Problem 5 →Solution
• 20:3020:30, 20 March 2009 diff hist +1 2009 AIME I Problems/Problem 11 →See also
• 20:2920:29, 20 March 2009 diff hist +60 2009 AIME I Problems/Problem 11 →Solution
• 20:2920:29, 20 March 2009 diff hist +359 N 2009 AIME I Problems/Problem 11 New page: == Problem == Consider the set of all triangles <math>OPQ</math> where <math>O</math> is the origin and <math>P</math> and <math>Q</math> are distinct points in the plane with nonnegative...
• 20:2820:28, 20 March 2009 diff hist +635 N 2009 AIME I Problems/Problem 5 New page: == Problem == Triangle <math>ABC</math> has <math>AC = 450</math> and <math>BC = 300</math>. Points <math>K</math> and <math>L</math> are located on <math>\overline{AC}</math> and <math>...
• 20:2620:26, 20 March 2009 diff hist +519 2009 AIME I Problems/Problem 9 →Solution
• 20:1520:15, 20 March 2009 diff hist +520 2009 AIME I Problems/Problem 9 No edit summary
• 20:1120:11, 20 March 2009 diff hist +47 2009 AIME I Problems/Problem 1 →Solution
• 20:1020:10, 20 March 2009 diff hist +133 2009 AIME I Problems/Problem 4 →Solution
• 20:0820:08, 20 March 2009 diff hist +59 2009 AIME I Problems/Problem 8 →Solution
• 20:0620:06, 20 March 2009 diff hist +37 2009 AIME I Problems/Problem 8 →Solution
• 15:1515:15, 20 March 2009 diff hist +21 2009 AIME I Problems/Problem 7 →Solution
• 15:1315:13, 20 March 2009 diff hist −19 2009 AIME I Problems/Problem 3 →Solution
• 15:1215:12, 20 March 2009 diff hist 0 2009 AIME I Problems/Problem 3 →Solution
• 14:5914:59, 20 March 2009 diff hist +1,330 N 2009 AIME I Problems/Problem 7 New page: == Problem == The sequence <math>(a_n)</math> satisfies <math>a_1 = 1</math> and <math>5^{(a_{n + 1} - a_n)} - 1 = \frac {1}{n + \frac {2}{3}}</math> for <math>n \geq 1</math>. Let <math>k...
• 14:3814:38, 20 March 2009 diff hist +994 2009 AIME I Problems/Problem 14 →Solution
• 14:1314:13, 20 March 2009 diff hist +929 N 2009 AIME I Problems/Problem 14 New page: == Problem == For <math>t = 1, 2, 3, 4</math>, define <math>S_t = \sum_{i = 1}^{350}a_i^t</math>, where <math>a_i \in \{1,2,3,4\}</math>. If <math>S_1 = 513</math> and <math>S_4 = 4745</ma...
• 14:0514:05, 20 March 2009 diff hist +134 2009 AIME I Problems/Problem 6 →Solution
• 14:0114:01, 20 March 2009 diff hist −1 2009 AIME I Problems/Problem 6 No edit summary
• 14:0014:00, 20 March 2009 diff hist +1,001 2009 AIME I Problems/Problem 10 No edit summary

19 March 2009

• 19:5819:58, 19 March 2009 diff hist −1 2009 AIME I Problems/Problem 3 →Solution
• 19:5819:58, 19 March 2009 diff hist +10 2009 AIME I Problems/Problem 3 →Solution
• 19:5119:51, 19 March 2009 diff hist +634 N 2009 AIME I Problems/Problem 6 New page: == Problem == How many positive integers <math>N</math> less than <math>1000</math> are there such that the equation <math>x^{\lfloor x\rfloor} = N</math> has a solution for <math>x</math...
• 19:4719:47, 19 March 2009 diff hist +59 2009 AIME I Problems/Problem 3 →Solution
• 19:4619:46, 19 March 2009 diff hist +221 2009 AIME I Problems/Problem 3 →Solution
• 19:4019:40, 19 March 2009 diff hist +141 2009 AIME I Problems/Problem 3 →Problem
• 19:3919:39, 19 March 2009 diff hist +89 2009 AIME I Problems/Problem 2 →Solution
• 19:3619:36, 19 March 2009 diff hist +123 2009 AIME I Problems/Problem 1 →Solution
• 19:3319:33, 19 March 2009 diff hist −39 2009 AIME I Problems/Problem 2 No edit summary
• 19:3119:31, 19 March 2009 diff hist +463 2009 AIME I Problems/Problem 2 No edit summary
• 19:1719:17, 19 March 2009 diff hist +285 N 2009 AIME I Problems/Problem 2 New page: == Problem == There is a complex number <math>z</math> with imaginary part <math>164</math> and a positive integer <math>n</math> such that <cmath>\frac {z}{z + n} = 4i.</cmath> Find <m...
• 19:1619:16, 19 March 2009 diff hist +33 2009 AIME I Problems/Problem 1 →Problem
• 19:1019:10, 19 March 2009 diff hist +32 2009 AIME I Problems/Problem 1 No edit summary
• 19:0319:03, 19 March 2009 diff hist +295 2009 AIME I Problems/Problem 1 No edit summary
• 18:5818:58, 19 March 2009 diff hist −89 2009 AIME I Problems/Problem 1 Removing all content from page
• 18:5718:57, 19 March 2009 diff hist +89 N 2009 AIME I Problems/Problem 1 New page: The largest three-digit geometric number is 964 and the smallest is 124. 964 - 124 = 840.