Question

I will type qusetion ,please! check my answer,TY

Answer 1

...

Answer 2

\[\sum_{n=1}^{3}(5n-2)\]

Answer 3

okay

answer will be 5+10+15 - 6 = 24

Answer 4

24

Answer 5

I don't get , How?

Answer 6

the series goes from 1 to 3...so start with n =1 + n =2 + n =3

Answer 7

Can you show me by step ,Please!

Answer 8

n starts at 1..so it's 5(1)-2 which is 3 when n is 2 it's 5(2)-2 which is 8 and when n is 3 it's 5(3)-2....sum it up is 3 + 8 + 13 which is 24

Answer 9

TY