
Music S.
asked 10/25/21Find S4 of the sequence 105+110+115+⋯.
Find S4 of the sequence 105+110+115+....
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1 Expert Answer

Yefim S. answered 10/25/21
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5
(20)
Math Tutor with Experience
S4 = (105 + 120)/2·4 = 450
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Joel L.
10/25/21