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OpenStudy (anonymous):
At a benefit concert, fourteen bands have volunteered to perform but there is only enough time for six of the bands to play. How many lineups are possible?
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OpenStudy (anonymous):
Its combination since order doesn't matter. 14C6 \[14!\div((14-6)! \times 6!) = 3003\]
OpenStudy (anonymous):
N=14 and R=6 in nCr
Directrix (directrix):
Doesn't "lineups" imply that order does matter?
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