Mathematics
Mathematics, 03.05.2021 06:40, orangenavyred

How many combinations with repetition are allowed if n = 7 and r = 2? a. 21
b. 14
c. 49
d. 28​

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How many combinations with repetition are allowed if n = 7 and r = 2? a. 21
b. 14
c. 49...

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