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Mathematics, 05.06.2021 14:00 okokalyssa

The sum of an arithmetic sequence can be found by the formula Sn = n(2a + (n - 1)d). Use the formula to find the sum of first 10 terms of the sequence
{-3.2, 7, 12, 17. 22...)​

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The sum of an arithmetic sequence can be found by the formula Sn = n(2a + (n - 1)d). Use the formul...
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