kaelep
22.05.2020 •
Mathematics
(arithmetic sequences )
4. write the explicit formula for this sequence: 7.5,2,-3.5,-9
5.the recursive formula for an arithmetic sequence is [a1=-12] [an=an-1+5 ]
a)what is the 3rd term in the sequence?
b) if the 9th term is 28, what is the 10th term ?
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