3 years ago

What is the sum of the arithmetic sequence 8, 14, 20 …, if there are 24 terms? 1,842 1,844 1,846 1,848?

1 answer:

6 0

$= \frac{24}{2} (2(8) + 23(6))$
$= 12(16 + 138)$
$= 12(154)$
$= 1848$

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