caitlinland11 caitlinland11

23-05-2020
Mathematics

contestada

find the 73rd of the sequence -1, 5, 11,...

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MathPhys MathPhys

23-05-2020

Answer:

431

Step-by-step explanation:

This is an arithmetic sequence with first term a₁ = -1 and common difference d = 6.

The nth term of an arithmetic sequence is:

a = a₁ + d (n − 1)

The 73rd term is:

a = -1 + 6 (73 − 1)

a = 431

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