mattkuhn mattkuhn

24-04-2017
Mathematics

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find a9 in the arithmetic sequence with a1=-2.75 and d=0.25

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23hanayegezu 23hanayegezu

24-04-2017

A9=A1+(n-1)
-2.75+(8*0.25)
-2.75+2=-0.75

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