Mathematics, 04.08.2019 14:00 jen1164

Find n for a series for which a1 = 30, d = -4, and sn = -210. a. -21 c. -10 b. 21 d. 10

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Find n for a series for which a1 = 30, d = -4, and sn = -210. a. -21 c. -10 b. 21 d. 10...

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