Prove that given any 17 integers, there exist nine of them whose sum is divisible by 9.
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Mathematics, 08.12.2019 07:31 pawfox
Prove that given any 17 integers, there exist nine of them whose sum is divisible by 9.
(it might to use the fact that given any five integer you can find three whose sum is divisible by 3)
Answers: 1
Mathematics, 21.06.2019 16:30
Beth makes batches of bluberry muffins and banna muffins. each batchis 6 muffins. she makes 2.5 batches of bluberry muffins. how many batches of bananna muffins should beth make if she wants to have a total of 60 muffins?
Answers: 1
Mathematics, 21.06.2019 17:00
Mary beth used the mapping rule to find the coordinates of a point that had been rotated 90° counterclockwise around the origin. examine the steps to determine whether she made an error. m (3, –6) is rotated 90° counterclockwise. (x, y) → (–y, x) 1. switch the x- and y-coordinates: (6, –3) 2. multiply the new x-coordinate by –1: (6(–1), –3) 3. simplify: (–6, –3) .
Answers: 1
Mathematics, 21.06.2019 20:30
What is always true about a positive integer raised to a negative odd power?
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