Mathematics, 12.09.2019 02:30 maloynegen7681
The explicit rule for an arithmetic sequence is an=20/3+1/3(n-1). what is the value of the 89th term?
Answers: 1
![\bf a_n=\cfrac{20}{3}+\cfrac{1}{3}(n-1) \\\\[-0.35em] ~\dotfill\\\\ \stackrel{89^{th}~term~\hfill }{a_{89}=\cfrac{20}{3}+\cfrac{1}{3}(89-1)}\implies a_{89}=\cfrac{20}{3}+\cfrac{1}{3}(88)\implies a_{89}=\cfrac{20}{3}+\cfrac{88}{3} \\\\\\ a_{89}=\cfrac{20+88}{3}\implies a_{89}=\cfrac{108}{3}\implies a_{89}=36](/tpl/images/0228/5146/e034b.png)
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The explicit rule for an arithmetic sequence is an=20/3+1/3(n-1). what is the value of the 89th term...
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