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20-04-2018
Mathematics

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Choose the arithmetic series that is associated with this summation.

Choose the arithmetic series that is associated with this summation class=

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jimthompson5910 jimthompson5910

20-04-2018

Plug n = 1 into the expression 20-9n and we get
20-9n = 20-9*1 = 20-9 = 11

So 11 is the first term of the series that we add up. Therefore the answer must be choice C, which has 11 listed as the first term added

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