# math

posted by amaan ali

if the third term of an AP is 12 and the seventh term is 24, then the 10th term will be?

1. Reiny

a+2d = 12
a + 6d = 24
subtract them:
4d = 12
d = 3

back into the first: a + 6 = 12, a = 6

term(10) = a + 9d = 6 + 27 = 33

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