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3 years ago

11

the first term in an arithmetic series is 9, while the last term in the series is -191. if there are 25 terms in the series, wha

t is its sum?

1 answer:

yaroslaw [1]3 years ago

4 0

191+9 = 200
200/25 = 4
since you are decreasing, the number is negative,
thus the answer is -4

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