# User contributions

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- 16:40, 14 March 2017 (diff | hist) . . (+64) . . m 1992 AIME Problems/Problem 7 (→Solution) (current)
- 18:06, 16 February 2017
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**(+707)** . . 2014 AIME II Problems/Problem 8 (→Solution 1) - 17:13, 8 February 2017 (diff | hist) . . (+298) . . 2017 AMC 12A Problems/Problem 20 (→Solution)
- 17:28, 4 February 2016 (diff | hist) . . (+1) . . 2016 AMC 12A Problems/Problem 16 (→Solution)
- 17:27, 4 February 2016
(diff | hist) . .
**(+1,134)** . . N 2016 AMC 12A Problems/Problem 16 (Created page with "==Problem 16== The graphs of <math>y=\log_3 x, y=\log_x 3, y=\log_\frac{1}{3} x,</math> and <math>y=\log_x \dfrac{1}{3}</math> are plotted on the same set of axes. How many p...") - 16:13, 4 February 2016 (diff | hist) . . (-17) . . 2016 AMC 10A Problems/Problem 22 (→Solution)
- 16:07, 4 February 2016 (diff | hist) . . (-493) . . 2016 AMC 12A Problems/Problem 11 (→Problem)
- 16:06, 4 February 2016
(diff | hist) . .
**(+1,246)** . . 2016 AMC 12A Problems/Problem 11 (→Solution) - 14:20, 4 February 2016 (diff | hist) . . (+12) . . 2016 AMC 12A Problems/Problem 9 (→Solution)
- 14:20, 4 February 2016 (diff | hist) . . (+326) . . 2016 AMC 12A Problems/Problem 9 (→Solution)
- 13:52, 4 February 2016 (diff | hist) . . (-325) . . 2016 AMC 12A Problems/Problem 9 (→Solution)
- 13:52, 4 February 2016
(diff | hist) . .
**(+1,237)** . . N 2016 AMC 12A Problems/Problem 9 (Created page with "==Problem 9== The five small shaded squares inside this unit square are congruent and have disjoint interiors. The midpoint of each side of the middle square coincides with o...") - 13:33, 4 February 2016
(diff | hist) . .
**(+1,322)** . . N 2016 AMC 12A Problems/Problem 17 (Created page with "==Problem 17== Let <math>ABCD</math> be a square. Let <math>E, F, G</math> and <math>H</math> be the centers, respectively, of equilateral triangles with bases <math>\overlin...") - 13:18, 4 February 2016 (diff | hist) . . (-1) . . m 2016 AMC 12A Problems (→Problem 17)
- 13:17, 4 February 2016 (diff | hist) . . (0) . . 2016 AMC 12A Problems (→Problem 17)
- 13:16, 4 February 2016
(diff | hist) . .
**(+622)** . . 2016 AMC 12A Problems/Problem 12 (→Solution) - 13:13, 4 February 2016 (diff | hist) . . (+2) . . m 2016 AMC 12A Problems/Problem 12 (→Solution)
- 13:11, 4 February 2016 (diff | hist) . . (-279) . . 2016 AMC 12A Problems/Problem 12 (→Solution)
- 13:03, 4 February 2016 (diff | hist) . . (0) . . 2016 AMC 12A Problems (→Problem 8)
- 13:00, 4 February 2016 (diff | hist) . . (-6) . . m 2016 AMC 12A Problems/Problem 12 (→Solution)
- 11:59, 4 February 2016 (diff | hist) . . (-1) . . 2016 AMC 12A Problems/Problem 12 (→Solution)
- 11:59, 4 February 2016
(diff | hist) . .
**(+851)** . . N 2016 AMC 12A Problems/Problem 12 (Created page with "== Solution == By the angle bisector theorem, <math>\frac{AB}{AE} = \frac{CB}{CE}</math> <math>\frac{6}{AE} = \frac{7}{8 - AE}</math>, so <math>AE = \frac{48}{13}</math> Sim...") - 20:27, 3 February 2016
(diff | hist) . .
**(-628)** . . 2016 AMC 10A Problems (→Problem 19) - 20:26, 3 February 2016
(diff | hist) . .
**(+628)** . . 2016 AMC 10A Problems (→Problem 19) - 18:13, 3 February 2016 (diff | hist) . . (-3) . . 2016 AMC 10A Problems/Problem 25 (→Problem 25)
- 18:10, 3 February 2016 (diff | hist) . . (+3) . . 2016 AMC 10A Problems/Problem 25 (→Problem)
- 18:10, 3 February 2016 (diff | hist) . . (+47) . . 2016 AMC 10A Problems/Problem 25 (→Problem)
- 17:59, 3 February 2016 (diff | hist) . . (0) . . 2016 AMC 10A Problems/Problem 14 (→Solution)
- 17:59, 3 February 2016 (diff | hist) . . (+1) . . 2016 AMC 10A Problems/Problem 14 (→Solution)
- 17:57, 3 February 2016 (diff | hist) . . (0) . . 2016 AMC 10A Problems/Problem 14 (→Solution)
- 17:56, 3 February 2016 (diff | hist) . . (+275) . . N 2016 AMC 10A Problems/Problem 14 (Created page with "==Solution== The amount of twos in our sum ranges from <math>0</math> to <math>1008</math>, with differences of <math>3</math> because <math>2 \cdot 3 = lcm(2, 3)</math>. Th...")
- 17:50, 3 February 2016 (diff | hist) . . (+48) . . 2016 AMC 10A Problems (→Problem 14)
- 17:45, 3 February 2016
(diff | hist) . .
**(+607)** . . 2016 AMC 10A Problems (→Problem 13) - 17:43, 3 February 2016 (diff | hist) . . (+124) . . 2016 AMC 10A Problems (→Problem 14)
- 17:42, 3 February 2016 (diff | hist) . . (+226) . . 2016 AMC 10A Problems (→Problem 14)
- 11:43, 6 February 2015 (diff | hist) . . (+293) . . 2015 AMC 10A Problems (→Problem 14)
- 11:52, 5 February 2015 (diff | hist) . . (-72) . . 2015 AMC 10A Problems (→Problem 14)
- 11:51, 5 February 2015
(diff | hist) . .
**(+865)** . . 2015 AMC 10A Problems (→Problem 14) - 18:51, 4 February 2015 (diff | hist) . . (-1) . . 2015 AMC 10A Problems/Problem 23 (→Solution 2)
- 18:50, 4 February 2015 (diff | hist) . . (-15) . . 2015 AMC 10A Problems/Problem 23 (→Solution 2)
- 18:50, 4 February 2015 (diff | hist) . . (+13) . . 2015 AMC 10A Problems/Problem 23 (→Solution 2)
- 18:50, 4 February 2015 (diff | hist) . . (+7) . . 2015 AMC 10A Problems/Problem 23 (→Solution 2)
- 18:49, 4 February 2015 (diff | hist) . . (+13) . . 2015 AMC 10A Problems/Problem 23 (→Solution 2)
- 18:48, 4 February 2015 (diff | hist) . . (+1) . . 2015 AMC 10A Problems/Problem 23 (→Solution 2)
- 18:48, 4 February 2015
(diff | hist) . .
**(+849)** . . 2015 AMC 10A Problems/Problem 23 (→Solution) - 18:32, 4 February 2015 (diff | hist) . . (-3) . . 2015 AMC 10A Problems/Problem 17 (→Solution)
- 18:09, 4 February 2015 (diff | hist) . . (-173) . . 2015 AMC 10A Problems/Problem 15 (→Solution)
- 18:08, 4 February 2015 (diff | hist) . . (+1) . . m 2015 AMC 10A Problems/Problem 15 (→Solution)
- 18:06, 4 February 2015
(diff | hist) . .
**(+903)** . . 2015 AMC 10A Problems/Problem 15 (→Solution) - 17:51, 4 February 2015 (diff | hist) . . (+5) . . 2015 AMC 10A Problems/Problem 19 (→Solution)
- 17:51, 4 February 2015 (diff | hist) . . (0) . . 2015 AMC 10A Problems/Problem 19 (→Solution)
- 17:48, 4 February 2015 (diff | hist) . . (-110) . . 2015 AMC 10A Problems/Problem 19 (→Solution)
- 17:48, 4 February 2015 (diff | hist) . . (+3) . . 2015 AMC 10A Problems/Problem 19 (→Solution)
- 17:47, 4 February 2015 (diff | hist) . . (+13) . . 2015 AMC 10A Problems/Problem 19 (→Solution)
- 17:46, 4 February 2015 (diff | hist) . . (-1) . . 2015 AMC 10A Problems/Problem 19 (→Solution)
- 17:45, 4 February 2015
(diff | hist) . .
**(+1,914)** . . N 2015 AMC 10A Problems/Problem 19 (Created page with "==Problem== The isosceles right triangle <math>ABC</math> has right angle at <math>C</math> and area <math>12.5</math>. The rays trisecting <math>\angle ACB</math> intersect <ma...") - 16:55, 4 February 2015 (diff | hist) . . (+48) . . 2015 AMC 10A Problems (→Problem 22)
- 16:55, 4 February 2015 (diff | hist) . . (-48) . . 2015 AMC 10A Problems (→Problem 22)
- 16:04, 4 February 2015 (diff | hist) . . (+472) . . 2015 AMC 10A Problems (→Problem 22)
- 15:59, 4 February 2015 (diff | hist) . . (-1) . . m 2015 AMC 10A Problems (→Problem 7)
- 13:18, 4 February 2015 (diff | hist) . . (+12) . . 2015 AMC 10A Problems/Problem 6 (→Solution)
- 13:18, 4 February 2015 (diff | hist) . . (+4) . . 2015 AMC 10A Problems/Problem 6 (→Solution)
- 13:18, 4 February 2015
(diff | hist) . .
**(+525)** . . N 2015 AMC 10A Problems/Problem 6 (Created page with "==Problem== The sum of two positive numbers is <math> 5 </math> times their difference. What is the ratio of the larger number to the smaller number? <math> \textbf{(A)}\ \frac...") - 13:15, 4 February 2015 (diff | hist) . . (+47) . . 2015 AMC 10A Problems (→Problem 6)
- 13:14, 4 February 2015 (diff | hist) . . (+47) . . 2015 AMC 10A Problems (→Problem 5)
- 12:38, 4 February 2015 (diff | hist) . . (+48) . . 2015 AMC 10A Problems (→Problem 23)
- 12:37, 4 February 2015 (diff | hist) . . (+12) . . 2015 AMC 10A Problems (→Problem 23)
- 12:37, 4 February 2015 (diff | hist) . . (+228) . . 2015 AMC 10A Problems (→Problem 23)
- 12:35, 4 February 2015 (diff | hist) . . (+1) . . m 2015 AMC 10A Problems/Problem 2 (→Solution)
- 12:35, 4 February 2015 (diff | hist) . . (+1) . . m 2015 AMC 10A Problems/Problem 1 (→Solution)
- 12:31, 4 February 2015
(diff | hist) . .
**(+844)** . . N 2015 AMC 10A Problems/Problem 20 (Created page with "==Problem== A rectangle has area <math>A</math> <math>\text{cm}^2</math> and perimeter <math>P</math> <math>\text{cm}</math>, where <math>A</math> and <math>P</math> are positiv...") - 12:26, 4 February 2015 (diff | hist) . . (+14) . . 2015 AMC 10A Problems (→Problem 20)
- 12:25, 4 February 2015 (diff | hist) . . (+48) . . 2015 AMC 10A Problems (→Problem 20)
- 12:24, 4 February 2015 (diff | hist) . . (+347) . . 2015 AMC 10A Problems (→Problem 20)
- 11:55, 4 February 2015 (diff | hist) . . (0) . . 2015 AMC 12A Problems (→Problem 1)
- 11:55, 4 February 2015 (diff | hist) . . (+3) . . 2015 AMC 12A Problems (→Problem 1)
- 11:51, 4 February 2015 (diff | hist) . . (+298) . . N 2015 AMC 12A Problems/Problem 1 (Created page with "==Problem== What is the value of <math>(2^0-1+5^2-0)^{-1}\times5?</math> <math> \textbf{(A)}\ -125\qquad\textbf{(B)}\ -120\qquad\textbf{(C)}\ \frac{1}{5}\qquad\textbf{(D)}}\ \f...")
- 11:42, 4 February 2015
(diff | hist) . .
**(+775)** . . N 2015 AMC 10A Problems/Problem 2 (Created page with "==Problem== A box contains a collection of triangular and square tiles. There are <math>25</math> tiles in the box, containing <math>84</math> edges total. How many square tiles...") - 11:38, 4 February 2015 (diff | hist) . . (+220) . . 2015 AMC 10A Problems/Problem 1 (→Solution)
- 11:37, 4 February 2015 (diff | hist) . . (+1) . . 2015 AMC 10A Problems/Problem 1 (→Solution)
- 11:37, 4 February 2015 (diff | hist) . . (+78) . . N 2015 AMC 10A Problems/Problem 1 (Created page with "==Solution== Simply evaluating gives <math>\boxed{\textbf{(C)}frac15}</math>.")
- 21:37, 24 January 2015 (diff | hist) . . (+12) . . m 2004 AMC 10B Problems/Problem 18 (→Solution 1)
- 21:36, 24 January 2015 (diff | hist) . . (-52) . . m 2004 AMC 10B Problems/Problem 18 (→Solution 1)
- 21:33, 24 January 2015 (diff | hist) . . (+12) . . m 2004 AMC 10B Problems/Problem 18 (→Solution 1)
- 21:30, 24 January 2015 (diff | hist) . . (+1) . . m 2004 AMC 10B Problems/Problem 18 (→Solution 1)
- 21:28, 24 January 2015 (diff | hist) . . (-21) . . m 2004 AMC 10B Problems/Problem 18 (→Solution 1)
- 21:25, 24 January 2015 (diff | hist) . . (+64) . . m 2004 AMC 10B Problems/Problem 18 (→Solution 1)
- 20:29, 24 January 2015
(diff | hist) . .
**(+598)** . . 2004 AMC 10B Problems/Problem 18 (→Solution) - 18:10, 24 January 2015 (diff | hist) . . (+2) . . 2004 AMC 10B Problems/Problem 2 (→Solution) (current)
- 18:07, 24 January 2015 (diff | hist) . . (+2) . . m 2004 AMC 10B Problems/Problem 2 (→Solution 2)
- 18:06, 24 January 2015 (diff | hist) . . (-2) . . m 2004 AMC 10B Problems/Problem 2 (→Solution 2)
- 18:06, 24 January 2015 (diff | hist) . . (+10) . . 2004 AMC 10B Problems/Problem 2 (→Solution 2)
- 18:05, 24 January 2015 (diff | hist) . . (+17) . . 2004 AMC 10B Problems/Problem 2 (→Solution 2)
- 18:05, 24 January 2015 (diff | hist) . . (-3) . . 2004 AMC 10B Problems/Problem 2 (→Solution 2)
- 18:04, 24 January 2015 (diff | hist) . . (-8) . . 2004 AMC 10B Problems/Problem 2 (→Solution 2)
- 18:03, 24 January 2015 (diff | hist) . . (0) . . 2004 AMC 10B Problems/Problem 2 (→Solution 2)
- 18:02, 24 January 2015 (diff | hist) . . (+1) . . 2004 AMC 10B Problems/Problem 2 (→Solution 2)
- 18:01, 24 January 2015 (diff | hist) . . (-44) . . 2004 AMC 10B Problems/Problem 2 (→Solution 2)
- 18:01, 24 January 2015
(diff | hist) . .
**(+802)** . . 2004 AMC 10B Problems/Problem 2 (→Solution) - 21:39, 22 January 2015 (diff | hist) . . (+2) . . 2004 AMC 10A Problems/Problem 15 (→Solution)

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