bentleyaddisyn bentleyaddisyn

07-05-2018
Mathematics

contestada

You choose 3 bananas from a group of 9. In how many ways can this be done?

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konrad509 konrad509

11-08-2018

Assuming the order of selection doesn't matter:

[tex] \displaystyle
\binom{9}{3}=\dfrac{9!}{3!6!}=\dfrac{7\cdot8\cdot9}{2\cdot3}=84 [/tex]

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