jacquelynanoval jacquelynanoval

02-08-2016
Mathematics

contestada

PLEASE HELP

Find an equation for the nth term of the arithmetic sequence.

a18 = 97, a20 = 281

Respuesta :

CollinStanley CollinStanley

02-08-2016

a20-a18=a1+19d-a1-17d=2d =281-97 so d=92

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