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Determine the number of terms n in each arithmetic series a1 = -29, an = -119, Sn = -740 Please help :,(
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Determine the number of terms n in each arithmetic series

a1 = -29, an = -119, Sn = -740

Please help :,(

User Marcelo Gazzola
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1 Answer

2 votes
n=the number of terms, so I believe the answer is 10
Determine the number of terms n in each arithmetic series a1 = -29, an = -119, Sn-example-1
User Elia Schito
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