edelynnr edelynnr
  • 18-09-2020
  • Mathematics
contestada

8. Find
a13
for the arithmetic sequence -17, -12, -7, ....

Respuesta :

ChoiSungHyun
ChoiSungHyun ChoiSungHyun
  • 18-09-2020

Step-by-step explanation:

General formula for a(n) = -22 + 5n, where n is the term number.

Hence a13 = -22 + 5(13) = 65 - 22 = 43.

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