Express the series using sigma notation. 6 + 9 + 12 + 15.

asked Apr 17, 2021 167k views

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1 vote

Answer: D on edg

Explanation:

Purecharger answered Apr 19, 2021

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2 votes

Σ 40

n=6

explanation; add all the numbers to get 40

6 is the first number and 15 is the last number

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