(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)

• 16:40, 22 April 2021 (diff | hist) . . (-32)‎ . . 2021 April MIMC 10 ‎ (→‎Problem 18)
• 16:40, 22 April 2021 (diff | hist) . . (-3)‎ . . 2021 April MIMC 10 ‎ (→‎Problem 19)
• 16:38, 22 April 2021 (diff | hist) . . (+43)‎ . . 2021 April MIMC Problems/Problem 18 ‎
• 16:37, 22 April 2021 (diff | hist) . . (+4)‎ . . 2021 April MIMC Problems/Problem 18 ‎
• 16:36, 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...")
• 16:36, 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...")
• 16:35, 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...")
• 16:34, 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...")
• 16:26, 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...")
• 16:25, 22 April 2021 (diff | hist) . . (-2)‎ . . 2021 April MIMC 10 ‎ (→‎Problem 14)
• 16:25, 22 April 2021 (diff | hist) . . (+6)‎ . . 2021 April MIMC 10 ‎ (→‎Problem 14)
• 16:20, 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...")
• 16:18, 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...")
• 16:17, 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 \...")
• 22:14, 20 April 2021 (diff | hist) . . (0)‎ . . 2021 AMC 12B Problems/Problem 1 ‎ (→‎Video Solution by Interstigation)
• 22:12, 20 April 2021 (diff | hist) . . (-34)‎ . . 2021 April MIMC 10 ‎
• 22:12, 20 April 2021 (diff | hist) . . (+34)‎ . . 2021 April MIMC 10 ‎
• 22:07, 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...")
• 22:07, 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...")
• 22:04, 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...")
• 22:01, 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...")
• 22:01, 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...")
• 21:59, 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\...")
• 21:58, 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...")
• 21:56, 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{...")
• 21:53, 20 April 2021 (diff | hist) . . (-93)‎ . . 2021 April MIMC 10 Problems/Problem 1 ‎ (→‎Solution)
• 21:53, 20 April 2021 (diff | hist) . . (-357)‎ . . 2021 April MIMC 10 Problems/Problem 2 ‎ (→‎Solution)
• 21:52, 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...")
• 21:48, 20 April 2021 (diff | hist) . . (+14)‎ . . 2021 April MIMC 10 Problems/Problem 1 ‎
• 21:48, 20 April 2021 (diff | hist) . . (+183)‎ . . 2021 April MIMC 10 Problems/Problem 1 ‎
• 21:46, 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>.")
• 21:46, 20 April 2021 (diff | hist) . . (+52)‎ . . 2021 April MIMC 10 ‎ (→‎Problem 1)
• 21:43, 20 April 2021 (diff | hist) . . (+83)‎ . . 2021 April MIMC 10 ‎
• 21:32, 20 April 2021 (diff | hist) . . (+16)‎ . . N 2021 April MIMC 10 ‎ (Created page with "Hello. Edit here")
• 00:01, 20 April 2021 (diff | hist) . . (+84)‎ . . 2021 AMC 10B Problems/Problem 21 ‎ (→‎Video Solution by OmegaLearn (Using Pythagoras Theorem and Similar Triangles))
• 13:36, 18 April 2021 (diff | hist) . . (+1)‎ . . 2020 AMC 8 Problems/Problem 25 ‎ (→‎2020 AMC 8 Full Video Solution By INTERSTIGATION)
• 13:35, 18 April 2021 (diff | hist) . . (+91)‎ . . 2020 AMC 8 Problems/Problem 21 ‎ (→‎Video Solutions)
• 13:35, 18 April 2021 (diff | hist) . . (-91)‎ . . 2020 AMC 8 Problems/Problem 21 ‎ (→‎Video Solution by Interstigation)
• 13:34, 18 April 2021 (diff | hist) . . (+91)‎ . . 2020 AMC 8 Problems/Problem 18 ‎ (→‎Video Solution)
• 13:34, 18 April 2021 (diff | hist) . . (-90)‎ . . 2020 AMC 8 Problems/Problem 18 ‎ (→‎Video Solution by Interstigation)
• 13:34, 18 April 2021 (diff | hist) . . (+90)‎ . . 2020 AMC 8 Problems/Problem 18 ‎ (→‎Video Solution by WhyMath)
• 13:34, 18 April 2021 (diff | hist) . . (-90)‎ . . 2020 AMC 8 Problems/Problem 18 ‎ (→‎Video Solution by Interstigation)
• 13:33, 18 April 2021 (diff | hist) . . (-2)‎ . . 2020 AMC 8 Problems/Problem 16 ‎ (→‎Video Solution)
• 13:33, 18 April 2021 (diff | hist) . . (+90)‎ . . 2020 AMC 8 Problems/Problem 15 ‎ (→‎Video Solution)
• 13:33, 18 April 2021 (diff | hist) . . (+90)‎ . . 2020 AMC 8 Problems/Problem 14 ‎ (→‎Video Solution)
• 13:32, 18 April 2021 (diff | hist) . . (+90)‎ . . 2020 AMC 8 Problems/Problem 13 ‎ (→‎Video Solution)
• 13:32, 18 April 2021 (diff | hist) . . (+90)‎ . . 2020 AMC 8 Problems/Problem 12 ‎ (→‎Video Solution)
• 13:31, 18 April 2021 (diff | hist) . . (+90)‎ . . 2020 AMC 8 Problems/Problem 11 ‎ (→‎Video Solution)
• 13:31, 18 April 2021 (diff | hist) . . (+90)‎ . . 2020 AMC 8 Problems/Problem 10 ‎ (→‎Video Solution)
• 13:30, 18 April 2021 (diff | hist) . . (+90)‎ . . 2020 AMC 8 Problems/Problem 9 ‎ (→‎Video Solution)

(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)