solution/explanation in picture.!
Step-by-step explanation:
520 = 20 [2 (26) + 198] 2 =2040
52 +19d= 2040
10 [52 +19d] =2040 19d = 204-52 19d = 152 d=152 19
d = 8
The common difference is 8
Copyright © 2024 EHUB.TIPS team's - All rights reserved.
Answers & Comments
The sum of the first 20 terms of an arithmetic sequence is 1170.If the common difference is 3,what is the first term?
solution/explanation in picture.!
Step-by-step explanation:
520 = 20 [2 (26) + 198] 2 =2040
52 +19d= 2040
10 [52 +19d] =2040 19d = 204-52 19d = 152 d=152 19
d = 8
The common difference is 8