Patrick B. answered • 01/28/21
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A(n) = a1 + D*(n-1) = -7 + (n-1)*5
= -7 + 5n-5
= 5n-12
A(7) = 5(-7)-12 = -35-12 = -47
Taliyah D.
asked • 01/28/21Find a7 if a1=-7 and d=5
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