(25 POINTS) 10. Find the sum of the arithmetic sequence. 5, 7, 9, 11, ..., 23

Question

asked Mar 1, 2022 29.0k views

1 Answer

Hildende · Answer 1 · 2022-03-07T04:30:22+0000

Answer:

Sum = 140

Explanation:

We find all the terms, we know that every consecutive term, we add 2 until we reach 23:

Sum = 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23

Sum = 140