Heartland13 Heartland13

22-05-2017
Mathematics

contestada

Which pair of numbers is relatively prime?

A.
21 and 39

B.
10 and 21

C.
12 and 54

D.
15 and 27

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kookie6 kookie6

22-05-2017

B. 10 and 21 are relatively prime because they have no common factors

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