If 100C2 has a value of 4,950, what is the value of 100C98? A. 4,950 B. 99,000 C. 49,500 D. 9,900

Question

Mathematics

Julianna Hansen

22 January, 18:26

If 100C2 has a value of 4,950, what is the value of 100C98? A. 4,950 B. 99,000 C. 49,500 D. 9,900

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Answers (2)

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Karina Gibson · Answer 1

If 100C2 has a value of 4,950, what is the value of 100C98?

10C2 is the number of groups of 2 that can be formed from 100 objects.

Note: Each time a group of 2 is selected you automatically form

a second group of 98. Therefore: 10C2 = 10C98 = 4950 is your Answer

Marco · Answer 2

100C2 is a count of the number of sets of two you can drawfrom a set of 100 items. But every time you draw a set of 2 from 100 you haveautomatically determined a set of 98 that you did not select. so the answer is A. 4950