Question 888105: The sequence 15, 21, 27, 33, 39, ...., 75 has 11 terms. Evaluate the related series.
Answer by luke94(89)   (Show Source):
You can put this solution on YOUR website! its an arithmetic sequence of (n+6) where n is the previous number
15,21,27,33,39,45,51,57,63,69,75
is that all you're required? if you need to evaluate and by "evaluate" you mean solve, just add all those numbers together which gives you a final answer of 495
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