nellynelle00100 nellynelle00100

25-05-2017
Mathematics

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What is the sum of the first 28 terms of this arithmetic sequence? 69, 75, 81, 87, 93, 99, … 2,436 4,200 4,320 4,368

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noahdwilke noahdwilke

25-05-2017

The sum of the first 28 terms is 4200.

:)

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