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Mathematics, 10.03.2020 09:05 tmrsavage02p7cj16

A ballroom dance couple has learned 13 different routines and needs to pick 10 of them to prepare for an upcoming local competition. How many different ways could they choose which dances to prepare?

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A ballroom dance couple has learned 13 different routines and needs to pick 10 of them to prepare fo...
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