# mathmathj28

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### Let n be a positive integer. (a) Prove that by counting the number of ordered triples (a, b, c) where in two different ways. (b) Prove that

mathmathj28  Feb 13, 2020
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### A stick is 5 inches long. It is broken at two points, chosen at random. What is the probability that all three pieces are longer than 1 inch

mathmathj28  Feb 13, 2020
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### Let triangle ABC be equilateral, where the side length is 3. A point D is chosen at random inside the triangle.

mathmathj28  Feb 13, 2020
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### Right triangle ABC has legs of length 12 and 6. Point D is chosen at random within the triangle ABC.

mathmathj28  Feb 11, 2020
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### Four points J, K, L, and M are chosen at random on the circumference of a circle.

mathmathj28  Feb 11, 2020
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### Every time John uses a piece of scrap paper, he crumples it up and tries to shoot it inside a recycling bin. If he shoots

mathmathj28  Feb 10, 2020
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### Two different numbers are randomly selected from the set S = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}.

mathmathj28  Feb 10, 2020
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### How many ways are there to arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8, and 9 in a circle so that the sum of any 3 adjacent numbers is div...

mathmathj28  Jan 21, 2020
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### If there are 18 chairs numbered 1-18 around a round table, how many different ways can 3 people sit, so that no 2 people are adjacent?

mathmathj28  Jan 19, 2020
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### How many 7 digit codes are possible where each digit is 0, 1, 2, 3, 4, 5, 6, 7, 8, or 9 and the product of all the digits is 10000?

mathmathj28  Jan 19, 2020
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### If I buy 7 identical bags of candy for 3 friends, how many ways can I distribute the candy to my 3 friends so that each friend receives at l

mathmathj28  Jan 16, 2020
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### A coin is flipped 10 times, and at least 8 of the flips were heads. How many different sequences of flips could there have been?

mathmathj28  Dec 31, 2019
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### If a coin is tossed 10 times, and at least 9 of the tosses are heads, how many different sequences of tosses are possible?

mathmathj28  Dec 31, 2019
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### 1. How many ways are there to distibute 4 different balls among 4 different boxes? 2. How many ways are there to distribute 4 identical bal

mathmathj28  Dec 31, 2019
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### A coin is flipped 10 times, and at least 8 of the flips were heads. How many different sequences of flips could there have been?

mathmathj28  Dec 31, 2019