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21-10-2020
Mathematics

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Find the term named in the problem.
-21, - 13, -5, 3, ...
Find a23

Respuesta :

hnori22003 hnori22003

21-10-2020

a(n) = a(1) + ( n - 1 ) × d

a(23) = -21 + ( 23 - 1 ) × 8

a(23) = -21 + ( 22 ) × 8

a(23) = -21 + 176

a(23) = 155

And we're done....

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