SOLUTION: Find the number of terms in the following sequences. a. 5, 11, 17, ..., 83 b. 4, 8, 12, …., 40

Algebra ->  Sequences-and-series -> SOLUTION: Find the number of terms in the following sequences. a. 5, 11, 17, ..., 83 b. 4, 8, 12, …., 40      Log On


   

Question 1184511: Find the number of terms in the following sequences.
a. 5, 11, 17, ..., 83
b. 4, 8, 12, …., 40
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
They each look like arithmetic sequences.

(a)

5%2B6%28n-1%29=83--------------Do you see?