User contributions
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- 22:16, 10 July 2021 (diff | hist) . . (+242) . . N 2021 JMPSC Sprint Problems/Problem 9 (Created page with "==Problem== A machine cuts a piece of metal at a constant rate. After leaving the machine alone for twenty minutes, the metal has been split into six pieces. How many more min...")
- 22:15, 10 July 2021 (diff | hist) . . (+121) . . N 2021 JMPSC Sprint Problems/Problem 8 (Created page with "==Problem== How many positive two-digit numbers exist such that the product of its digits is not zero? ==Solution== asdf")
- 22:14, 10 July 2021 (diff | hist) . . (0) . . 2021 JMPSC Sprint Problems/Problem 7
- 22:14, 10 July 2021 (diff | hist) . . (+419) . . N 2021 JMPSC Sprint Problems/Problem 7 (Created page with "==Problem== How many sets of three circles are in the diagram below such that their centers lie on the same line and each circle in the set is adjacent to another circle in th...")
- 22:13, 10 July 2021 (diff | hist) . . (0) . . N File:Sprint9.png (current)
- 22:13, 10 July 2021 (diff | hist) . . (+253) . . N 2021 JMPSC Sprint Problems/Problem 6 (Created page with "==Problem== Luis has <math>100</math> coins that are all either nickels or dimes. If the probability of randomly picking a nickel from these <math>100</math> coins is <math>\f...")
- 22:13, 10 July 2021 (diff | hist) . . (+97) . . N 2021 JMPSC Sprint Problems/Problem 5 (Created page with "==Problem== What two-digit even number has digits that sum to <math>17</math>? ==Solution== asdf")
- 22:12, 10 July 2021 (diff | hist) . . (+1) . . 2021 JMPSC Sprint Problems/Problem 4 (→Problem)
- 22:12, 10 July 2021 (diff | hist) . . (0) . . N File:Sprint5.png (current)
- 22:12, 10 July 2021 (diff | hist) . . (+547) . . N 2021 JMPSC Sprint Problems/Problem 4 (Created page with "==Problem== A standard chess-board is an 8 by 8 grid of squares. A bishop is placed at square C5 (row 5, column C) and a rook is placed at square E4 (row 4, column E). How man...")
- 22:10, 10 July 2021 (diff | hist) . . (0) . . 2021 JMPSC Sprint Problems/Problem 3 (→Problem)
- 22:09, 10 July 2021 (diff | hist) . . (+3) . . 2021 JMPSC Sprint Problems/Problem 3 (→Problem)
- 22:09, 10 July 2021 (diff | hist) . . (+245) . . N 2021 JMPSC Sprint Problems/Problem 3 (Created page with "==Problem== If all angles marked with a red square are <math>90^\circ</math> and all angles marked with one black curve are equal, find the measure of the angle with a questi...")
- 22:08, 10 July 2021 (diff | hist) . . (0) . . N File:Sprint4.png (current)
- 22:07, 10 July 2021 (diff | hist) . . (+239) . . N 2021 JMPSC Sprint Problems/Problem 2 (Created page with "==Problem== Brady has an unlimited supply of quarters (\$0.25), dimes (\$0.10), nickels (\$0.05), and pennies (\$0.01). What is the least number (quantity, not type) of coins...")
- 21:48, 10 July 2021 (diff | hist) . . (+4,124) . . 2021 JMPSC Accuracy Problems
- 21:48, 10 July 2021 (diff | hist) . . (0) . . 2021 JMPSC Accuracy Problems/Problem 3 (→Problem)
- 21:47, 10 July 2021 (diff | hist) . . (-1) . . 2021 JMPSC Accuracy Problems/Problem 12 (→Problem)
- 21:42, 10 July 2021 (diff | hist) . . (+7) . . 2021 JMPSC Accuracy Problems
- 21:39, 10 July 2021 (diff | hist) . . (-34) . . 2021 JMPSC Accuracy Problems
- 21:39, 10 July 2021 (diff | hist) . . (+791) . . N 2021 JMPSC Accuracy Problems (Created page with "{{2021 JMPSC Accuracy Problems}} #This is a fifteen question free-response test. Each question has exactly one integer answer. #You have 60 minutes to complete the test. #You...")
- 21:34, 10 July 2021 (diff | hist) . . (+354) . . N 2021 JMPSC Accuracy Problems/Problem 15 (Created page with "==Problem== For all positive integers <math>n,</math> define the function <math>f(n)</math> to output <math>4\underbrace{777 \cdots 7}_{n\ \text{sevens}}5.</math> For example,...")
- 21:34, 10 July 2021 (diff | hist) . . (+199) . . N 2021 JMPSC Accuracy Problems/Problem 14 (Created page with "==Problem== What is the leftmost digit of the product <cmath>\underbrace{161616 \cdots 16}_{100 \text{ digits }} \times \underbrace{252525 \cdots 25}_{100 \text{ digits }}?</c...")
- 21:32, 10 July 2021 (diff | hist) . . (+189) . . N 2021 JMPSC Accuracy Problems/Problem 13 (Created page with "==Problem== Let <math>x</math> and <math>y</math> be nonnegative integers such that <math>(x+y)^2+(xy)^2=25.</math> Find the sum of all possible values of <math>x.</math> ==S...")
- 21:32, 10 July 2021 (diff | hist) . . (-330) . . 2021 JMPSC Accuracy
- 21:32, 10 July 2021 (diff | hist) . . (0) . . 2021 JMPSC Accuracy Problems/Problem 12 (→Problem)
- 21:31, 10 July 2021 (diff | hist) . . (+438) . . N 2021 JMPSC Accuracy Problems/Problem 12 (Created page with "==Problem== A rectangle with base <math>1</math> and height <math>2</math> is inscribed in an equilateral triangle. Another rectangle with height <math>1</math> is also inscri...")
- 21:30, 10 July 2021 (diff | hist) . . (0) . . N File:Sprint13.jpg (current)
- 21:30, 10 July 2021 (diff | hist) . . (+224) . . N 2021 JMPSC Accuracy Problems/Problem 11 (Created page with "==Problem== If <math>a : b : c : d=1 : 2 : 3 : 4</math> and <math>a</math>, <math>b</math>, <math>c</math>, and <math>d</math> are divisors of <math>252</math>, what is the ma...")
- 21:30, 10 July 2021 (diff | hist) . . (+358) . . N 2021 JMPSC Accuracy Problems/Problem 10 (Created page with "==Problem== In a certain school, each class has an equal number of students. If the number of classes was to increase by <math>1</math>, then each class would have <math>20</m...")
- 21:29, 10 July 2021 (diff | hist) . . (+263) . . N 2021 JMPSC Accuracy Problems/Problem 9 (Created page with "==Problem== If <math>x_1,x_2,\ldots,x_{10}</math> is a strictly increasing sequence of positive integers that satisfies <cmath>\frac{1}{2}<\frac{2}{x_1}<\frac{3}{x_2}< \cdots...")
- 21:28, 10 July 2021 (diff | hist) . . (+20) . . 2021 JMPSC Accuracy Problems/Problem 8 (→Problem)
- 21:27, 10 July 2021 (diff | hist) . . (+193) . . N 2021 JMPSC Accuracy Problems/Problem 8 (Created page with "==Problem== How many triangles are bounded by segments in the figure and contain the red triangle? (Do not include the red triangle in your total.) 200px...")
- 21:27, 10 July 2021 (diff | hist) . . (0) . . N File:Sprint2 .png (current)
- 21:24, 10 July 2021 (diff | hist) . . (+5) . . 2021 JMPSC Accuracy Problems/Problem 7 (→Solution)
- 21:24, 10 July 2021 (diff | hist) . . (+265) . . N 2021 JMPSC Accuracy Problems/Problem 7 (Created page with "==Problem== If <math>A</math>, <math>B</math>, and <math>C</math> each represent a single digit and they satisfy the equation <cmath>\begin{array}{cccc}& A & B & C \\ \times &...")
- 21:23, 10 July 2021 (diff | hist) . . (+255) . . N 2021 JMPSC Accuracy Problems/Problem 6 (Created page with "==Problem== In quadrilateral <math>ABCD</math>, diagonal <math>\overline{AC}</math> bisects both <math>\angle BAD</math> and <math>\angle BCD</math>. If <math>AB=15</math> and...")
- 21:23, 10 July 2021 (diff | hist) . . (+234) . . N 2021 JMPSC Accuracy Problems/Problem 5 (Created page with "==Problem== Let <math>n!=n \cdot (n-1) \cdot (n-2) \cdots 2 \cdot 1</math> for all positive integers <math>n</math>. Find the value of <math>x</math> that satisfies <cmath>\fr...")
- 21:22, 10 July 2021 (diff | hist) . . (+5) . . 2021 JMPSC Accuracy Problems/Problem 4 (→Solution)
- 21:22, 10 July 2021 (diff | hist) . . (+137) . . N 2021 JMPSC Accuracy Problems/Problem 4 (Created page with "==Problem== If <math>\frac{x+2}{6}</math> is its own reciprocal, find the product of all possible values of <math>x.</math> ==Solution==")
- 21:21, 10 July 2021 (diff | hist) . . (+5) . . 2021 JMPSC Accuracy Problems/Problem 3 (→Solution)
- 21:21, 10 July 2021 (diff | hist) . . (+18) . . 2021 JMPSC Accuracy Problems/Problem 3 (→Problem)
- 21:20, 10 July 2021 (diff | hist) . . (+6) . . 2021 JMPSC Accuracy Problems/Problem 3 (→Problem)
- 21:20, 10 July 2021 (diff | hist) . . (-151) . . 2021 JMPSC Accuracy Problems/Problem 3 (→Problem)
- 21:19, 10 July 2021 (diff | hist) . . (0) . . N File:Octagonsquare.jpg (current)
- 21:17, 10 July 2021 (diff | hist) . . (+382) . . N 2021 JMPSC Accuracy Problems/Problem 3 (Created page with "==Problem== In a regular octagon, the sum of any three consecutive sides is <math>90.</math> A square is constructed using one of the sides of this octagon. What is the area...")
- 21:16, 10 July 2021 (diff | hist) . . (+203) . . N 2021 JMPSC Accuracy Problems/Problem 2 (Created page with "== Problem == Three distinct even positive integers are chosen between <math>1</math> and <math>100,</math> inclusive. What is the largest possible average of these three int...")
- 21:15, 10 July 2021 (diff | hist) . . (+130) . . N 2021 JMPSC Accuracy Problems/Problem 1 (Created page with "== Problem == Find the sum of all positive multiples of <math>3</math> that are factors of <math>27.</math> == Solution == asdf")
- 20:48, 10 July 2021 (diff | hist) . . (+59) . . N 2021 JMPSC Accuracy Answer Key (Created page with "#39 #98 #900 #-32 #337 #56 #23 #8 #75 #24 #21 #8 #9 #4 #888") (current)
- 20:47, 10 July 2021 (diff | hist) . . (+18) . . 2021 JMPSC Accuracy
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