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thanksforthehelp
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thanksforthehelp
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2
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The combination locks at a school have the numbers from 0 to 39 (inclusive). A locker combination consists of three different numbers, where the order matters. Because of the way the locks are manufactures, all three numbers are even or all three numbers
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Jun 3, 2021
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How many multiples of 9 are between 100,000 and 100,185?
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Jun 3, 2021
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1. A teacher arranged her books on a shelf. She has 4 astronomy books, 3 Biology books, and 2 Chemistry books. How many ways can she arrange these books on the shelf if the books from each subject must be together?
2. How many ways
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Jun 2, 2021
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1. Of 35 students in my class, 11 do karate, 11 play piano, and 20 do tennis. 4 students play piano and do tennis, 3 students do karate and play piano, 5 students do tennis and practice karate, and 3 student do none of these. How many students do all 3?
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Jun 2, 2021