Question

27. Find the 20th term of the arithmetic sequence 9, 13, 17, 21, ...
28. Find the 17th term of the arithmetic sequence 12, 3, –6, –15, ...

Answer 1

@ganeshie8

Answer 2

No the correct answer is 104...

Answer 3

i though its 85

Answer 4

@Haseeb96

Answer 5

A+(n-1).d
A=9
d=5
N=20

9+(20-1).5
9+(19).5
9+95
104

Answer 6

yes, thank you @Haseeb96

Answer 7

Now for 28 question u know how to solve it.

Answer 8

Most welcome sister

Answer 9

yes thank you so much @Haseeb96