User:Charking

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Math Competitions

• USAMTS
  • 2024-2025
• MATHCOUNTS
  • 2023-2024
• Purple Comet! Math Meet
  • Middle School
    • 2023-2024
• Carderock Math Contest
  • 2023-2024

Talk

You are viewing the user talk page of Charking. If you are viewing this page from another page such as Charking's user page and you would like to talk on this page, you must click here to make a comment.Charking (talk) 22:29, 23 October 2024 (EDT)

Contributions

• 16:33, 2 November 2024 (diff | hist) . . (+16)‎ . . Hotmonkey's current phrase ‎ (added deletion request) (current)
• 09:07, 2 November 2024 (diff | hist) . . (+28)‎ . . Lorde Shares Sweet Texts From Taylor Swift ‎ (added deletion request) (current)
• 09:05, 2 November 2024 (diff | hist) . . (+28)‎ . . Rainbow2011 ‎ (added deletion request) (current)
• 09:02, 2 November 2024 (diff | hist) . . (-661)‎ . . 2024 AMC 10 Problems/Problem 12 ‎ (Removed spam) (current) (Tag: Blanking)
• 16:16, 1 November 2024 (diff | hist) . . (+22)‎ . . User:XonigKerga ‎ (added deletion request) (current)
• 15:45, 30 October 2024 (diff | hist) . . (+22)‎ . . Four fair coins are to be flipped. What is the probability that all four will be heads or all four will be tails? Express your answer as a common fraction. ‎ (added deletion request) (current)
• 15:44, 30 October 2024 (diff | hist) . . (+28)‎ . . How many prime numbers are between 30 and 40? ‎ (added deletion request) (current)
• 15:43, 30 October 2024 (diff | hist) . . (+27)‎ . . Mathematical Association of Christmas ‎ (added deletion request) (current)
• 15:41, 30 October 2024 (diff | hist) . . (-45)‎ . . Distinct ‎ (Fixed) (current)
• 15:30, 30 October 2024 (diff | hist) . . (+33)‎ . . Queen of Tears ‎ (added deletion request) (current)
• 15:30, 30 October 2024 (diff | hist) . . (-51)‎ . . Add ‎ (Added redirect) (current) (Tag: New redirect)
• 15:28, 30 October 2024 (diff | hist) . . (+22)‎ . . Steve has one quarter, two nickels and three pennies. Assuming no items are free, for how many different-priced items could Steve individually pay for with exact change? ‎ (added deletion request) (current)
• 15:25, 30 October 2024 (diff | hist) . . (+22)‎ . . The perfect squares from $1$ through $2500,$ inclusive, are printed in a sequence of digits $1491625\ldots2500.$ How many digits are in the sequence? ‎ (added deletion request) (current)
• 15:24, 30 October 2024 (diff | hist) . . (+22)‎ . . If I have four boxes arranged in a $2 \times 2$ grid, in how many distinct ways can I place the digits $1$, $2$, and $3$ in the boxes, using each digit exactly once, such that each box contains at most one digit? (I only have one of each digit, so one box ‎ (added deletion request) (current)
• 15:19, 30 October 2024 (diff | hist) . . (0)‎ . . How to use Asymptote. ‎ (Fixed) (current) (Tag: New redirect)
• 15:18, 30 October 2024 (diff | hist) . . (+10)‎ . . How to use Asymptote. ‎ (Added redirect)
• 15:16, 30 October 2024 (diff | hist) . . (+22)‎ . . Joe wants to find all the four-letter words that begin and end with the same letter. How many combinations of letters satisfy this property? ‎ (added deletion request) (current)
• 15:14, 30 October 2024 (diff | hist) . . (+22)‎ . . If no one shares an office, in how many ways can 3 people be assigned to 5 different offices? (Each person gets exactly one office). ‎ (added deletion request) (current)
• 15:13, 30 October 2024 (diff | hist) . . (+19)‎ . . How many times does the digit 9 appear in the list of all integers from 1 to 500? (The number $ 99 $, for example, is counted twice, because $9$ appears two times in it.) ‎ (added deletion request) (current)
• 15:05, 30 October 2024 (diff | hist) . . (+43)‎ . . Snorelaxrules ‎ (added deletion request) (current)
• 15:04, 30 October 2024 (diff | hist) . . (+22)‎ . . Nothing ‎ (Added redirect) (Tag: New redirect)
• 15:02, 30 October 2024 (diff | hist) . . (+59)‎ . . Virginia MathCounts ‎ (Added content) (current)
• 14:58, 30 October 2024 (diff | hist) . . (+15)‎ . . Heavytoothpaste ‎ (added deletion request) (current)
• 14:56, 30 October 2024 (diff | hist) . . (+22)‎ . . Kquanet365 ‎ (added deletion request) (current)
• 14:56, 30 October 2024 (diff | hist) . . (+28)‎ . . Testing69 ‎ (added deletion request) (current)
• 14:55, 30 October 2024 (diff | hist) . . (+8)‎ . . Number Line ‎ (Added redirect) (current) (Tag: New redirect)
• 14:53, 30 October 2024 (diff | hist) . . (+22)‎ . . How many four-digit, positive integers are there where each digit is a prime number? ‎ (added deletion request) (current)
• 14:20, 30 October 2024 (diff | hist) . . (+28)‎ . . Qwertypickle231 ‎ (added deletion request) (current)
• 14:18, 30 October 2024 (diff | hist) . . (+22)‎ . . A game board is constructed by shading two of the regions formed by the altitudes of an equilateral triangle as shown. What is the probability that the tip of the spinner will come to rest in a shaded region? Express your answer as a common fraction. ‎ (added deletion request) (current)
• 12:58, 30 October 2024 (diff | hist) . . (+21)‎ . . For what real values of $c$ is $4x^2 + 5x^2 + 14x + x + c$ the square of a binomial? ‎ (added deletion request) (current)
• 12:53, 30 October 2024 (diff | hist) . . (+22)‎ . . The table shows the percent of families in Mathville that have $0, 1, 2, 3$ and $4$ or more children. If there are a total of $10,250$ families, how many are there with no children? ‎ (added deletion request) (current)
• 12:53, 30 October 2024 (diff | hist) . . (+22)‎ . . Suppose we flip four coins simultaneously: a penny, a nickel, a dime, and a quarter. What is the probability that the penny and dime both come up the same? ‎ (added deletion request) (current)
• 12:48, 30 October 2024 (diff | hist) . . (+52)‎ . . The positive three-digit integer N has a ones digit of 0. What is the probability that N is divisible by 4? Express your answer as a common fraction. ‎ (added deletion request) (current)
• 12:39, 30 October 2024 (diff | hist) . . (+236)‎ . . Negative base ‎ (Undo revision 141675 by Satisfiedmagma (talk)) (current) (Tag: Undo)
• 12:38, 30 October 2024 (diff | hist) . . (+10)‎ . . m Oval ‎ (Added Stub) (current)
• 11:45, 30 October 2024 (diff | hist) . . (+29)‎ . . Japanese Theorem ‎ (added deletion request) (current)
• 11:44, 30 October 2024 (diff | hist) . . (+78)‎ . . Redelephant876 ‎ (added deletion request) (current)
• 11:41, 30 October 2024 (diff | hist) . . (+46)‎ . . Math2016Center ‎ (added deletion request) (current)
• 11:40, 30 October 2024 (diff | hist) . . (+9)‎ . . m Kinematics ‎ (Added Stub) (current)
• 11:36, 30 October 2024 (diff | hist) . . (-212)‎ . . m What is aops? ‎ (Added redirect) (current) (Tag: New redirect)
• 11:32, 30 October 2024 (diff | hist) . . (+46)‎ . . m Mrthinker ‎ (added deletion request) (current)
• 18:14, 29 October 2024 (diff | hist) . . (+51)‎ . . m The figure shows a square of side $y$ units divided into a square of side $x$ units and four congruent rectangles. What is the perimeter, in units, of one of the four congruent rectangles? Express your answer in terms of $y$. ‎ (added deletion request) (current)
• 18:11, 29 October 2024 (diff | hist) . . (+51)‎ . . m Suppose that a and b are positive integers for which a has 3 factors and b has a factors. If b is divisible by a, then what is the least possible value of b? ‎ (added deletion request) (current)
• 18:10, 29 October 2024 (diff | hist) . . (+51)‎ . . m The local theater has one ticket window. In how many ways can six people line up to buy a ticket? ‎ (added deletion request) (current)
• 18:09, 29 October 2024 (diff | hist) . . (+26)‎ . . m How many ways can $1995$ be factored as a product of two two-digit numbers? (Two factorizations of the form $a\cdot b$ and $b\cdot a$ are considered the same). ‎ (added deletion request) (current)
• 18:05, 29 October 2024 (diff | hist) . . (+55)‎ . . m The equation $y = -16t^2 + 28t + 144$ describes the height (in feet) of a ball tossed up in the air at $28$ feet per second from a height of $144$ feet from the ground. In how many seconds will the ball hit the ground? ‎ (added deletion request) (current)
• 18:04, 29 October 2024 (diff | hist) . . (+43)‎ . . m Ryan Yang ‎ (added deletion request) (current)
• 17:57, 29 October 2024 (diff | hist) . . (+34)‎ . . m Nemoatl ‎ (added deletion request) (current)
• 17:53, 29 October 2024 (diff | hist) . . (+6)‎ . . m Category theory ‎ (Formatting) (current)
• 17:52, 29 October 2024 (diff | hist) . . (+13)‎ . . m Category theory ‎ (Fixed)

See full contributions list

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