User contributions
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- 18:08, 22 April 2021 (diff | hist) . . (-66) . . 2021 April MIMC 10 (→Additional Information)
- 18:07, 22 April 2021 (diff | hist) . . (-51) . . 2021 April MIMC 10 (→Problem 25)
- 18:05, 22 April 2021 (diff | hist) . . (+1,127) . . 2021 April MIMC 10 (→Problem 25)
- 18:04, 22 April 2021 (diff | hist) . . (+6) . . 2021 April MIMC 10 (→Problem 25)
- 17:58, 22 April 2021 (diff | hist) . . (+1,595) . . N 2021 April MIMC 10 Problems/Problem 24 (Created page with "One semicircle is constructed with diameter <math>AH=4</math> and let the midpoint of <math>AH</math> be <math>M</math>. Construct a point <math>O</math> on the side of segmen...")
- 17:57, 22 April 2021 (diff | hist) . . (+156) . . 2021 April MIMC 10
- 17:54, 22 April 2021 (diff | hist) . . (+1,684) . . N 2021 April MIMC 10 Problems/Problem 23 (Created page with "On a coordinate plane, point <math>O</math> denotes the origin which is the center of the diamond shape in the middle of the figure. Point <math>A</math> has coordinate <math>...")
- 17:53, 22 April 2021 (diff | hist) . . (+6) . . 2021 April MIMC 10 (→Problem 23)
- 17:51, 22 April 2021 (diff | hist) . . (+938) . . N 2021 April MIMC 10 Problems/Problem 22 (Created page with "In the diagram, <math>ABCD</math> is a square with area <math>6+4\sqrt{2}</math>. <math>AC</math> is a diagonal of square <math>ABCD</math>. Square <math>IGED</math> has area...")
- 17:51, 22 April 2021 (diff | hist) . . (+43) . . 2021 April MIMC 10 Problems/Problem 21
- 17:50, 22 April 2021 (diff | hist) . . (+455) . . N 2021 April MIMC 10 Problems/Problem 21 (Created page with "How many solutions are there for the equation <math>\left \lfloor{x}\right \rfloor^{2}-\left \lceil{x}\right \rceil=0</math>. (Recall that <math>\left \lfloor{x}\right \rfloor...")
- 17:48, 22 April 2021 (diff | hist) . . (+28) . . 2021 April MIMC 10 (→Problem 21)
- 17:46, 22 April 2021 (diff | hist) . . (+1) . . 2021 April MIMC 10 (→Problem 20)
- 17:44, 22 April 2021 (diff | hist) . . (-28) . . 2021 April MIMC 10 (→Problem 18)
- 17:43, 22 April 2021 (diff | hist) . . (+28) . . 2021 April MIMC 10 (→Problem 18)
- 17:42, 22 April 2021 (diff | hist) . . (+1) . . 2021 April MIMC 10 Problems/Problem 20
- 17:42, 22 April 2021 (diff | hist) . . (+401) . . N 2021 April MIMC 10 Problems/Problem 20 (Created page with "Given that <math>y=24\cdot 34\cdot 67\cdot 89</math>. Given that the product of the even divisors is <math>a</math>, and the product of the odd divisors is <math>b</math>. Fin...")
- 17:41, 22 April 2021 (diff | hist) . . (+380) . . N 2021 April MIMC Problems/Problem 19 (Created page with "<math>(0.51515151...)_n</math> can be expressed as <math>(\frac{6}{n})</math> in base <math>10</math> which <math>n</math> is a positive integer. Find the sum of the digits of...")
- 17:40, 22 April 2021 (diff | hist) . . (+4) . . 2021 April MIMC 10 (→Problem 18)
- 17:40, 22 April 2021 (diff | hist) . . (-32) . . 2021 April MIMC 10 (→Problem 18)
- 17:40, 22 April 2021 (diff | hist) . . (-3) . . 2021 April MIMC 10 (→Problem 19)
- 17:38, 22 April 2021 (diff | hist) . . (+43) . . 2021 April MIMC Problems/Problem 18
- 17:37, 22 April 2021 (diff | hist) . . (+4) . . 2021 April MIMC Problems/Problem 18
- 17:36, 22 April 2021 (diff | hist) . . (+872) . . N 2021 April MIMC Problems/Problem 18 (Created page with "What can be a description of the set of solutions for this: <math>x^{2}+y^{2}=|2x+|2y||</math>? <math>\textbf{(A)}</math> Two overlapping circles with each area <math>2\pi</m...")
- 17:36, 22 April 2021 (diff | hist) . . (+632) . . N 2021 April MIMC 10 Problems/Problem 17 (Created page with "The following expression <cmath>\sum_{k=1}^{60} {60 \choose k}+\sum_{k=1}^{59} {59 \choose k}+\sum_{k=1}^{58} {58 \choose k}+\sum_{k=1}^{57} {57 \choose k}+\sum_{k=1}^{56} {56...")
- 17:35, 22 April 2021 (diff | hist) . . (+319) . . N 2021 April MIMC 10 Problems/Problem 16 (Created page with "Find the number of permutations of <math>AAABBC</math> such that at exactly two <math>A</math>s are adjacent, and the <math>B</math>s are not adjacent. <math>\textbf{(A)} ~2...")
- 17:34, 22 April 2021 (diff | hist) . . (+566) . . N 2021 April MIMC 10 Problems/Problem 15 (Created page with "Paul wrote all positive integers that's less than <math>2021</math> and wrote their base <math>4</math> representation. He randomly choose a number out the list. Paul insist t...")
- 17:26, 22 April 2021 (diff | hist) . . (+631) . . N 2021 April MIMC 10 Problems/Problem 14 (Created page with "James randomly choose an ordered pair <math>(x,y)</math> which both <math>x</math> and <math>y</math> are elements in the set <math>\{1,2,3,4,5,6,7,8,9,10,11,12,13,14,15\}</m...")
- 17:25, 22 April 2021 (diff | hist) . . (-2) . . 2021 April MIMC 10 (→Problem 14)
- 17:25, 22 April 2021 (diff | hist) . . (+6) . . 2021 April MIMC 10 (→Problem 14)
- 17:20, 22 April 2021 (diff | hist) . . (+427) . . N 2021 April MIMC 10 Problems/Problem 13 (Created page with "Given that Giant want to put <math>12</math> green identical balls into <math>3</math> different boxes such that each box contains at least two balls, and that no box can cont...")
- 17:18, 22 April 2021 (diff | hist) . . (+303) . . N 2021 April MIMC 10 Problems/Problem 12 (Created page with "Given that <math>x^2-\frac{1}{x^2}=2</math>, what is <math>x^{16}-\frac{1}{x^{8}}+x^{8}-\frac{1}{x^{16}}</math>? <math>\textbf{(A)} ~1120 \qquad\textbf{(B)} ~1180 \qquad\text...")
- 17:17, 22 April 2021 (diff | hist) . . (+248) . . N 2021 April MIMC 10 Problems/Problem 11 (Created page with "How many factors of <math>16!</math> is a perfect cube or a perfect square? <math>\textbf{(A)} ~158 \qquad\textbf{(B)} ~164 \qquad\textbf{(C)} ~180 \qquad\textbf{(D)} ~1280 \...")
- 23:14, 20 April 2021 (diff | hist) . . (0) . . 2021 AMC 12B Problems/Problem 1 (→Video Solution by Interstigation)
- 23:12, 20 April 2021 (diff | hist) . . (-34) . . 2021 April MIMC 10
- 23:12, 20 April 2021 (diff | hist) . . (+34) . . 2021 April MIMC 10
- 23:07, 20 April 2021 (diff | hist) . . (+282) . . N 2021 April MIMC 10 Problems/Problem 10 (Created page with "If <math>x+\frac{1}{x}=-2</math> and <math>y=\frac{1}{x^{2}}</math>, find <math>\frac{1}{x^{4}}+\frac{1}{y^{4}}</math>. <math>\textbf{(A)} ~-2 \qquad\textbf{(B)} ~-1 \qquad\t...")
- 23:07, 20 April 2021 (diff | hist) . . (+244) . . N 2021 April MIMC 10 Problems/Problem 9 (Created page with "Find the largest number in the choices that divides <math>11^{11}+13^2+126</math>. <math>\textbf{(A)} ~1 \qquad\textbf{(B)} ~2 \qquad\textbf{(C)} ~4 \qquad\textbf{(D)} ~8 \qq...")
- 23:04, 20 April 2021 (diff | hist) . . (+623) . . N 2021 April MIMC 10 Problems/Problem 8 (Created page with "In the morning, Mr.Gavin always uses his alarm to wake him up. The alarm is special. It always rings in a cycle of ten rings. The first ring lasts <math>1</math> second, and e...")
- 23:01, 20 April 2021 (diff | hist) . . (+314) . . N 2021 April MIMC 10 Problems/Problem 7 (Created page with "Find the least integer <math>k</math> such that <math>838_k=238_k+1536</math> where <math>a_k</math> denotes <math>a</math> in base-<math>k</math>. <math>\textbf{(A)} ~12 \qq...")
- 23:01, 20 April 2021 (diff | hist) . . (+510) . . N 2021 April MIMC 10 Problems/Problem 6 (Created page with "A worker cuts a piece of wire into two pieces. The two pieces, <math>A</math> and <math>B</math>, enclose an equilateral triangle and a square with equal area, respectively. T...")
- 22:59, 20 April 2021 (diff | hist) . . (+243) . . N 2021 April MIMC 10 Problems/Problem 5 (Created page with "Given <math>x:y=5:3, z:w=3:2, y:z=2:1</math>, Find <math>x:w</math>. <math>\textbf{(A)} ~3:1 \qquad\textbf{(B)} ~10:3 \qquad\textbf{(C)} ~5:1 \qquad\textbf{(D)} ~20:3 \qquad\...")
- 22:58, 20 April 2021 (diff | hist) . . (+358) . . N 2021 April MIMC 10 Problems/Problem 4 (Created page with "Stiskwey wrote all the possible permutations of the letters <math>AABBCCCD</math> (<math>AABBCCCD</math> is different from <math>AABBCCDC</math>). How many such permutations a...")
- 22:56, 20 April 2021 (diff | hist) . . (+255) . . N 2021 April MIMC 10 Problems/Problem 3 (Created page with "Find the number of real solutions that satisfy the equation <math>(x^2+2x+2)^{3x+2}=1</math>. <math>\textbf{(A)} ~0 \qquad\textbf{(B)} ~1 \qquad\textbf{(C)} ~2 \qquad\textbf{...")
- 22:53, 20 April 2021 (diff | hist) . . (-93) . . 2021 April MIMC 10 Problems/Problem 1 (→Solution)
- 22:53, 20 April 2021 (diff | hist) . . (-357) . . 2021 April MIMC 10 Problems/Problem 2 (→Solution)
- 22:52, 20 April 2021 (diff | hist) . . (+958) . . N 2021 April MIMC 10 Problems/Problem 2 (Created page with "Okestima is reading a <math>150</math> page book. He reads a page every <math>\frac{2}{3}</math> minutes, and he pauses <math>3</math> minutes when he reaches the end of page...")
- 22:48, 20 April 2021 (diff | hist) . . (+14) . . 2021 April MIMC 10 Problems/Problem 1
- 22:48, 20 April 2021 (diff | hist) . . (+183) . . 2021 April MIMC 10 Problems/Problem 1
- 22:46, 20 April 2021 (diff | hist) . . (+121) . . N 2021 April MIMC 10 Problems/Problem 1 (Created page with "By order of operations, we get that the expression is equal to <math>8-(-81)-81+1=8+81-81+1=\fbox{\textbf{(B)} 9}</math>.")
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