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22-06-2015
Mathematics

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A manager must select 5 delivery locations from 9 that are available. Find the number of
different possible routes.

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konrad509 konrad509

22-06-2015

[tex]C^9_5=\dfrac{9!}{5!4!}=\dfrac{6\cdot7\cdot8\cdot9}{2\cdot3\cdot4}=2\cdot7\cdot9=126[/tex]

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