bodesbrandon bodesbrandon

27-10-2016
Mathematics

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What is the sum of the first 28 terms of this arithmetic sequence?

69, 75, 81, 87, 93, 99, …

Respuesta :

Zinethar Zinethar

27-10-2016

It increases by 6 each term, so building off of the first 6 terms you provided....
69, 75, 81, 87, 93, 99, 105, 111, 117, 123, 129, 135, 141, 147, 153, 159, 165, 171, 177, 183, 189, 195, 201, 207, 213, 219, 225, 231

Hope this helps!

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