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CaHeK987 [17]
3 years ago
6

James has 5 friends who are available to go to a baseball game with him, but he only has 2 extra tickets how many different choi

ces
does james have for which 2 friends to invite
Mathematics
2 answers:
bearhunter [10]3 years ago
7 0
4 different choices
Sliva [168]3 years ago
4 0

It is given that James has 5 friends who are available to go to a baseball game with him, but James has only has 2 extra tickets. This is a perfect example of a combinations question and we have been asked to choose 2 from a given 5. This can be spoken of as: Given 5 choose 2 and can be represented mathematically as a Combination:

^5C_2=\frac{5!}{2!(5-2)!}=\frac{5!}{2!3!} =\frac{5\times 4\times 3!}{2\times 3!}=10

Thus, James has 10 different choices to invite 2 friends.

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