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What is a1 if the tenth term is 91 and the fifteenth term is 59?

1 Answer

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Answer:

Explanation:

let the a1 be a

a + 14d = 59

a + 9d = 91

5d = - 32

d = - 32/5

a = 91 + 282/5

a = 737/5

User Andy Danger Gagne
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