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21-06-2020
Mathematics

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A box of colored crayons contains 9 distinct colors. In how many ways can 2 colors be chosen, assuming that the order of the colors chosen that doesnt matter?

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21-06-2020

Answer:

36

Step-by-step explanation:

We can use combinations

9 choose 2 =

9!/(7!*2!) = (9*8)/2 = 36

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