50.4k views
4 votes
Determine the number of terms n in each arithmetic series

a1 = -29, an = -119, Sn = -740

Please help :,(

1 Answer

2 votes
n=the number of terms, so I believe the answer is 10
Determine the number of terms n in each arithmetic series a1 = -29, an = -119, Sn-example-1
User Elia Schito
by
6.8k points