User contributions
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- 20:41, 3 March 2009 (diff | hist) . . (+23) . . 2009 AMC 12B Problems/Problem 16
- 15:19, 3 March 2009 (diff | hist) . . (+4) . . 2009 AMC 12B Problems/Problem 16
- 21:35, 2 March 2009 (diff | hist) . . (+1,633) . . N 2009 AMC 12B Problems/Problem 16 (New page: == Problem == Trapezoid <math>ABCD</math> has <math>AD||BC</math>, <math>BD = 1</math>, <math>\angle DBA = 23^{\circ}</math>, and <math>\angle BDC = 46^{\circ}</math>. The ratio <math>BC:...)
- 18:36, 2 March 2009 (diff | hist) . . (+803) . . N 2009 AMC 12B Problems/Problem 13 (New page: == Problem == Triangle <math>ABC</math> has <math>AB = 13</math> and <math>AC = 15</math>, and the altitude to <math>\overline{BC}</math> has length <math>12</math>. What is the sum of the...)
- 17:09, 2 March 2009 (diff | hist) . . (+670) . . N 2009 AMC 12B Problems/Problem 12 (New page: == Problem == The fifth and eighth terms of a geometric sequence of real numbers are <math>7!</math> and <math>8!</math> respectively. What is the first term? <math>\mathrm{(A)}\ 60\qqu...)
- 16:45, 2 March 2009 (diff | hist) . . (+1,266) . . N 2009 AMC 12B Problems/Problem 9 (New page: == Problem == Triangle <math>ABC</math> has vertices <math>A = (3,0)</math>, <math>B = (0,3)</math>, and <math>C</math>, where <math>C</math> is on the line <math>x + y = 7</math>. What i...)
- 21:16, 1 March 2009 (diff | hist) . . (+1,989) . . N 2009 AMC 12B Problems/Problem 20 (New page: == Problem == A convex polyhedron <math>Q</math> has vertices <math>V_1,V_2,\ldots,V_n</math>, and <math>100</math> edges. The polyhedron is cut by planes <math>P_1,P_2,\ldots,P_n</math> i...)
- 20:39, 1 March 2009 (diff | hist) . . (+46) . . N 2009 AMC 12B Problems/Problem 10 (Redirecting to 2009 AMC 10B Problems/Problem 19)
- 20:38, 1 March 2009 (diff | hist) . . (+1,455) . . N 2009 AMC 10B Problems/Problem 19 (New page: {{duplicate|2009 AMC 10B #19 and 2009 AMC 12B #10}} == Problem == A particular <math>12</math>-hour digital clock displays the hour and...)
- 20:17, 1 March 2009 (diff | hist) . . (+194) . . 2009 AMC 12B Problems/Problem 14
- 20:11, 1 March 2009 (diff | hist) . . (+46) . . N 2009 AMC 10B Problems/Problem 17 (Redirecting to 2009 AMC 12B Problems/Problem 14) (current)
- 12:15, 1 March 2009 (diff | hist) . . (+46) . . N 2009 AMC 12B Problems/Problem 8 (Redirecting to 2009 AMC 10B Problems/Problem 15) (current)
- 12:13, 1 March 2009 (diff | hist) . . (+1,140) . . N 2009 AMC 10B Problems/Problem 15 (New page: {{duplicate|2009 AMC 10B #15 and 2009 AMC 12B #8}} == Problem == When a bucket is two-thirds full of water, the bucket and water weigh ...)
- 01:05, 1 March 2009 (diff | hist) . . (+46) . . N 2009 AMC 12B Problems/Problem 11 (Redirecting to 2009 AMC 10B Problems/Problem 14) (current)
- 01:03, 1 March 2009 (diff | hist) . . (+2,003) . . N 2009 AMC 10B Problems/Problem 14 (New page: {{duplicate|2009 AMC 10B #14 and 2009 AMC 12B #11}} == Problem == On Monday, Millie puts a quart of seeds, <math>25\%</math> of which a...)
- 14:54, 28 February 2009 (diff | hist) . . (+45) . . N 2009 AMC 12B Problems/Problem 7 (Redirecting to 2009 AMC 10B Problems/Problem 8) (current)
- 14:52, 28 February 2009 (diff | hist) . . (+1,177) . . N 2009 AMC 10B Problems/Problem 8 (New page: {{duplicate|2009 AMC 10B #8 and 2009 AMC 12B #7}} == Problem == In a certain year the price of gasoline rose by <math>20\%</math> durin...)
- 12:31, 28 February 2009 (diff | hist) . . (+45) . . N 2009 AMC 12B Problems/Problem 6 (Redirecting to 2009 AMC 10B Problems/Problem 7) (current)
- 12:30, 28 February 2009 (diff | hist) . . (+1,100) . . N 2009 AMC 10B Problems/Problem 7 (New page: {{duplicate|2009 AMC 10B #7 and 2009 AMC 12B #6}} == Problem == By inserting parentheses, it is possible to give the expression <cmath>...)
- 00:17, 28 February 2009 (diff | hist) . . (+45) . . N 2009 AMC 12B Problems/Problem 4 (Redirecting to 2009 AMC 10B Problems/Problem 4) (current)
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