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30 votes
30 votes
I need some help, this one is hard

User Joel Kinzel
by
3.0k points

1 Answer

15 votes
15 votes

Arithmetic progression: -25, -37, -49

d = - 12

General formula

An = -25 + (n -1)*(-12)

A85 = - 25 + 84*(-12) = -1033

User Zheng Qsin
by
2.7k points