a basketball team has 9 players, in how many different ways can the coach select 2 players to be the captains for tonight's game.

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03-10-2016
Mathematics

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a basketball team has 9 players, in how many different ways can the coach select 2 players to be the captains for tonight's game.

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can someone pls help me in this ?

irspow irspow · Answer 1 · 2017-05-15T16:03:51+02:00

irspow irspow

15-05-2017

Since order does not matter, you use the "n choose k" formula for unique combinations...

c=n!/(k!(n-k)!), n=number of elements to choose from, k=number of choices.

In this case n=9 and k=2 so

c=9!/(2!*7!)

c=36

There are 36 unique ways to pick 2 captains from 9 players.

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kmdhuggins kmdhuggins · Answer 2 · 2017-05-15T20:51:33+02:00

kmdhuggins kmdhuggins

15-05-2017

Since the order doesn't matter 36 is the answer

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