SOLUTION: The given series has 6 terms. What is the sum of the terms of the series? 17+25+33+...+57

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Question 608185: The given series has 6 terms. What is the sum of the terms of the series?
17+25+33+...+57
Found 2 solutions by jim_thompson5910, solver91311:
Answer by jim_thompson5910(35256) (Show Source):
You can put this solution on YOUR website!
S = (n(a1+an))/2

S = (6*(17+57))/2

S = 222

So the sum of the first 6 terms is 222.
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Answer by solver91311(24713) (Show Source):
You can put this solution on YOUR website!

Add the first term to the last, multiply that sum by the number of terms, divide by 2.

John

My calculator said it, I believe it, that settles it