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PLEASE HELP ME GUYS!!

asked Oct 24, 2021 152k views

1 vote

PLEASE HELP ME GUYS!!

PLEASE HELP ME GUYS!!-example-1

Mathematics
college

8.4k points

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1 Answer

4 votes

Answer:

n=20

Explanation:

$S_(n) =(n(a_(1)+a_(n)))/(2)\\\\1260 =(n(25+101))/(2) \\\\n = 20$

Emilio Garavaglia answered Oct 29, 2021

by Emilio Garavaglia

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