# User contributions

- 12:59, 17 February 2021
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**(+602)** . . N 1976 AHSME Problems/Problem 9 (Created page with "==Solution== Let <math>[ABC]</math> denote the area of <math>ABC</math> Since <math>F</math> is the midpoint of <math>|BC|</math>, we have <math>[ABF] = [ACF] = \frac{96}{2}...") (current) - 12:47, 17 February 2021
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**(+574)** . . N 1976 AHSME Problems/Problem 8 (Created page with "In order for the coordinates to have absolute values less than <math>4</math>, the points must lie in the <math>8</math> by <math>8</math> square passing through the points <m...") (current) - 20:36, 13 February 2021 (diff | hist) . . (+326) . . N 1957 AHSME Problems/Problem 13 (Created page with "We see that <math>A</math> and <math>B</math> are both irrational, so we look at <math>C, D,</math> and <math>E</math> Recall that <math>\sqrt 2</math> is around <math>1.414</...") (current)
- 20:31, 13 February 2021 (diff | hist) . . (+254) . . N 1957 AHSME Problems/Problem 36 (Created page with "By AM-GM, we have <cmath>\frac{x+y}{2} \geq \sqrt{xy}</cmath> Substituting, we have <cmath>\frac{1}{2} \geq \sqrt {xy}</cmath> <cmath>\frac{1}{4} \geq xy</cmath> Equality occu...") (current)
- 20:28, 13 February 2021
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**(+614)** . . N 1957 AHSME Problems/Problem 10 (Created page with "==Solution== This graph generates a parabola, since the degree of <math>x</math> is <math>2</math>. The <math>x-</math> coordinate of the vertex of a parabola given by <math>a...") (current) - 20:23, 13 February 2021
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**(+803)** . . N 1965 AHSME Problems/Problem 37 (Created page with "==Solution== We use mass points for this problem. Let <math>\text{m} A</math> denote the mass of point <math>A</math>. Rewrite the expression we are finding as <cmath>\frac{E...") (current) - 20:13, 13 February 2021 (diff | hist) . . (+2) . . m 1965 AHSME Problems/Problem 33 (Put a {} around 11) (current)
- 20:13, 13 February 2021
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**(+731)** . . N 1965 AHSME Problems/Problem 33 (Created page with "==Solution== We can use Legendre's to find the number of <math>0</math>s in base <math>10</math> <cmath>\lfloor \frac{15}{5} \rfloor + \lfloor \frac{15}{25} \rfloor = 3</cmath...") - 03:12, 13 February 2021
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**(+549)** . . N 1978 AHSME Problems/Problem 17 (Created page with "We are given that <cmath>[f(x^2 + 1)]^{\sqrt(x)} = k</cmath> We can rewrite <math>\frac{9+y^2}{y^2}</math> as <math>\frac{9}{y^2} + 1</math> Thus, our function is now <cmath>[...") - 02:56, 13 February 2021
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**(+883)** . . N 1978 AHSME Problems/Problem 15 (Created page with "==Solution== Squaring the equation, we get <cmath>\sin ^2 x + \cos ^2 x + 2 \sin x \cos x = \frac{1}{25} =\Rrightarrow 2\sin x \cos x = -\frac{24}{25} \Rrightarrow \sin x \cos...") - 02:05, 13 February 2021 (diff | hist) . . (+438) . . N 1978 AHSME Problems/Problem 9 (Created page with "We have <math>\sqrt{x^2} = |x|</math>, so we rewrite the expression as follows. <cmath>|x - \sqrt{(x-1)^2}| = |x - |x-1||</cmath> We know that <math>x < 0</math>, so <math>x-1...")
- 02:02, 13 February 2021 (diff | hist) . . (+479) . . N 1978 AHSME Problems/Problem 8 (Solution)
- 22:58, 12 February 2021
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**(+1,055)** . . N 1975 AHSME Problems/Problem 28 (Created page with "==Solution== Here, we use Mass Points. Let <math>AF = x</math>. We then have <math>AE = 2x</math>, <math>EC = 16-2x</math>, and <math>FB = 12 - x</math> Let <math>B</math> hav...") - 21:38, 12 February 2021
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**(+501)** . . N 1977 AHSME Problems/Problem 22 (Solution) - 20:39, 12 February 2021
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**(+1,323)** . . N 1978 AHSME Problems/Problem 27 (Created page with "==Solution== Let this integer be <math>n</math>. We have <math> n\equiv 1 \mod 2</math>, <math>n \equiv 1 \mod 3</math>, <math>n \equiv 1 \mod 4</math> <math>\ldots</math> <m...") - 19:10, 12 February 2021
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**(+634)** . . N 1956 AHSME Problems/Problem 16 (Solution) - 19:03, 12 February 2021 (diff | hist) . . (+266) . . N 1956 AHSME Problems/Problem 31 (Solution)
- 19:01, 12 February 2021 (diff | hist) . . (-1) . . m 1956 AHSME Problems/Problem 30 (→Solution)
- 19:01, 12 February 2021 (diff | hist) . . (+30) . . m 1956 AHSME Problems/Problem 30 (→Solution)
- 19:00, 12 February 2021 (diff | hist) . . (+2) . . m 1956 AHSME Problems/Problem 30 (→Solution)
- 19:00, 12 February 2021 (diff | hist) . . (+448) . . N 1956 AHSME Problems/Problem 30 (Added Solution)
- 18:54, 12 February 2021
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**(+503)** . . N 1956 AHSME Problems/Problem 27 (Added solution) - 18:46, 12 February 2021 (diff | hist) . . (+500) . . N 1956 AHSME Problems/Problem 17 (Created page with "This is essentially asking for the partial fraction decomposition of <cmath>\frac{5x-11}{2x^2 + x - 6}</cmath> Looking at <math>A</math> and <math>B</math>, we can write <math...")
- 18:37, 12 February 2021 (diff | hist) . . (+19) . . m 1955 AHSME Problems/Problem 39 (→Solution) (current)
- 18:37, 12 February 2021 (diff | hist) . . (+1) . . 1955 AHSME Problems/Problem 39 (→Solution)
- 18:36, 12 February 2021 (diff | hist) . . (+432) . . N 1955 AHSME Problems/Problem 39 (Wrote a Solution for this problem, since it didn't have one.)
- 03:04, 12 February 2021 (diff | hist) . . (+35) . . m 2021 AMC 10B Problems/Problem 16 (→Solution 2)
- 00:06, 12 February 2021 (diff | hist) . . (+78) . . 2021 AMC 10B Problems/Problem 16 (→Solution 2)
- 00:06, 12 February 2021 (diff | hist) . . (+54) . . m 2021 AMC 10B Problems/Problem 16 (→Solution 2)
- 00:05, 12 February 2021
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**(+1,043)** . . 2021 AMC 10B Problems/Problem 16 (→Solution 1) - 00:00, 12 February 2021
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**(+663)** . . 2021 AMC 12B Problems/Problem 7 (→Solution) - 23:07, 31 October 2020 (diff | hist) . . (-2) . . 1978 AHSME Problems/Problem 7 (added a solution)
- 23:05, 31 October 2020 (diff | hist) . . (+383) . . N 1978 AHSME Problems/Problem 7 (Created page with "Draw a perpendicular through the midpoint of the line of length <math>12</math> such that it passes through a vertex. We now have created <math>2</math> <math>30-60-90</math>...")
- 19:29, 11 August 2020 (diff | hist) . . (0) . . User:Rusczyk (→User Count)
- 00:59, 2 March 2018 (diff | hist) . . (-2) . . m 2018 AMC 12B Problems/Problem 4 (→Solution: I think that the solution writer meant the area of a circle is pi r ^2, not a triangle.)
- 22:42, 8 January 2018 (diff | hist) . . (+4) . . m 2017 AMC 8 Problems/Problem 24 (→Solution 2)