SOLUTION: Determine the number of terms in the arithmetic series: a1=10 an=74 sn=378

SOLUTION: Determine the number of terms in the arithmetic series: a1=10 an=74 sn=378

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Question 742502: Determine the number of terms in the arithmetic series:
a1=10
an=74
sn=378
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

given: ,, and

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