The sum first 9 term of an arithmetic sequence is 90. What is its 5th term Question The sum first 9 term of an arithmetic sequence is 90. What is its 5th term in progress 0 Math Aubrey 1 month 2021-08-18T16:36:38+00:00 2021-08-18T16:36:38+00:00 2 Answers 1 views 0

## Answers ( )

Answer:it’s 50 because if it is 9 term than 90 then 5 means 50 and if this is wrong the sorry because I am studying in 7th STD only

Given ,The sum first 9 term of an arithmetic sequence is 90

We know that ,the sum of first n terms of an AP is given byThus ,Now ,the 5th term will bea + (5 – 1)d

a + 4d

10

Therefore ,