Question

how many terms are in the sequence 13,16,19,22....39?

Answer 1

Answer:

Step-by-step explanation:

Actually the questionis wrong the last term should be 40 instead of 39.then u can get otherwise u can't.

40 is the last term which is equal to

a +(n-1)d

Which is

13+(n-1)3=40

Simplify it

We'll get

n-1=9

n=10

The answer is 10 terms

Answer 2

Let the three numbers be: x-1, x and x+1.

-Therefore, x-1 + x + x+1 =3x = 39

-Hence x, the middle number is 13.

-The other two numbers are 12 and 14.: