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Mathematics, 22.05.2020 01:01 angelrenee2000

(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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(arithmetic sequences )
4. write the explicit formula for this sequence: 7.5,2,-3.5,-9
<...
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