SOLUTION: The common difference and last terms of an A.p are 0.8 and 21.8 respectively.if there are 23 terms in the sequence,find its first term

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Question 1118104: The common difference and last terms of an A.p are 0.8 and 21.8 respectively.if there are 23 terms in the sequence,find its first term
Found 2 solutions by stanbon, MathTherapy:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
The common difference and last terms of an A.p are 0.8 and 21.8 respectively.if there are 23 terms in the sequence,find its first term.
d = 0.8
a(23) = 21.8
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a(23) = a(1) + 23*0.8 = 21.8
a(1) = 21.8-23*0.8 = 3.4
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Cheers,
Stan H.
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Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

The common difference and last terms of an A.p are 0.8 and 21.8 respectively.if there are 23 terms in the sequence,find its first term
Correct answer: highlight_green%28matrix%281%2C3%2C+1%5E%28st%29%2C+%22term%3A%22%2C+4.2%29%29