If a1=47 and d=-5 find a12

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asked Apr 9, 2017 36.2k views

5 votes

If a1=47 and d=-5 find a12

Mathematics
high-school

Jil asked

by Jil

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1 Answer

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an = a1 + (n-1) * d
a12 = 47 + (12 - 1) * -5
a12 = 47 + 11 * -5
a12 = 47 - 55
a12 = - 8 <==

Araceli answered Apr 13, 2017

by Araceli

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