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Find d if a_{1} = -1 and a_{8}= 41.
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Find d if a_{1} = -1 and a_{8}= 41.

User Belloc
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1 Answer

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Answer: d = 6

Explanation:

 d = ( a8 - a1 ) ÷ 7

d = ( 41 - (-1) ) ÷ 7

d = ( 42 ) ÷ 7

d = 6

Hope that helps...

User Mikekol
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