SOLUTION: the sum of the seventh terms of a linear sequence is 38 and the ninth term is 37. find the sequence ?
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Question 1035646: the sum of the seventh terms of a linear sequence is 38 and the ninth term is 37. find the sequence ?
Found 3 solutions by Boreal, MathTherapy, ikleyn:
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
a7=a1+6d=38
a9=a1+8d=37
subtract the second from the first
-2d=1
d=(-1/2)
substitute back in
38=a1+-3; a1=41
a7=38
a9=37
41+(-1/2)an is the sequence
Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!
the sum of the seventh terms of a linear sequence is 38 and the ninth term is 37. find the sequence ?
Sequence:
Answer by ikleyn(52788) (Show Source): You can put this solution on YOUR website!
.
the sum of the seventh terms of a linear sequence is 38 and the ninth term is 37. find the sequence ?
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1. Wrong, incorrect, inaccurate formulation.
It should be like this:
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the sum of the first seven terms of a linear sequence is 38 and the ninth term is 37. find the sequence ?
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2. Both solutions are wrong.
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