Question

find n if the sum of the first n terms is 130.​

Answer 1

Answer:

Step-by-step explanation:

The formula says that the sum of the first n terms of our arithmetic sequence is equal to n divided by 2 times the sum of twice the beginning term, a, and the product of d, the common difference, and n minus 1. The n stands for the number of terms we are adding together.

Answer 2

Answer:2

Step-by-step explanation: