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aliya0001 [1]
3 years ago
8

MATH:a basketball team needs 5 players. The team can choose from a group of 7 players. Explain how to find the number of combina

tions of players that can be on the team.
Mathematics
1 answer:
iren2701 [21]3 years ago
4 0
Combination Formula: (n = distinct objects, r = how many you pick) n!/(r!(n-r)!

So n = 7, r = 5

n! = 7! = 5040
R! = 5! = 120
(n-r) = 2! = 2
120*2=240
5040/240 = 21

21 combinations!
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when n=1

<h2><u><em>t 1=1 </em></u></h2>

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