Use a formula to find the sum of the first 20 terms for the arithmetic sequence. a
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Use a formula to find the sum of the first 20 terms for the arithmetic sequence.
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a₁ = 6, as = -30
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Since a 6 and a 30 the commo...View the full answer
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College Algebra With Modeling And Visualization
ISBN: 9780134418049
6th Edition
Authors: Gary Rockswold
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