Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 11 - Test - Page 871: 4



Work Step by Step

Since, we have for an arithmetic sequence: $a_n=a_1+(n-1)d$ Here, $n=12,a_1=4, d=5$ Now, $a_{12}=4+(12-1)(5)=59$
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