I need some help, this one is hard

Joel Kinzel asked Nov 13, 2023

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30 votes

Joel Kinzel asked Nov 13, 2023

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15 votes

Arithmetic progression: -25, -37, -49

d = - 12

General formula

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

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

Zheng Qsin answered Nov 19, 2023

2.7k points

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