SOLUTION: What is the 30th term in the sequence 14,19,24,29? What is the 69th term in the sequence 13,19,25,31?

Algebra ->  Sequences-and-series -> SOLUTION: What is the 30th term in the sequence 14,19,24,29? What is the 69th term in the sequence 13,19,25,31?      Log On


   



Question 338686: What is the 30th term in the sequence 14,19,24,29?

What is the 69th term in the sequence 13,19,25,31?

Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
an = a1 + (n – 1)d
additional info on arithmetic sequence:
http://www.mathwords.com/a/arithmetic_sequence.htm
.
What is the 30th term in the sequence 14,19,24,29?
arithmetic sequence:
a1 is 14
n is 30
d is 5
.
30th term is:
a1 + (n – 1)d
14 + (30 - 1)(5)
14 + (29)(5)
14 + (145)
159
.
What is the 69th term in the sequence 13,19,25,31?
a1 is 13
n is 69
d is 6
.
69th term is:
a1 + (n – 1)d
13 + (69 – 1)(6)
13 + (68)(6)
13 + 408
421