Mathematics, 01.10.2019 03:20 fredvales19
Find the 85th term of the arithmetic sequence - 25, 37, 49,
Answers: 2
![\bf -25~~,~~\stackrel{-25-12}{-37}~~,~~\stackrel{-37-12}{-49}~~,~~...\qquad \qquad \qquad \stackrel{\textit{common difference}}{d = -12} \\\\[-0.35em] ~\dotfill\\\\ n^{th}\textit{ term of an arithmetic sequence} \\\\ a_n=a_1+(n-1)d\qquad \begin{cases} a_n=n^{th}\ term\\ n=\textit{term position}\\ a_1=\textit{first term}\\ d=\textit{common difference}\\ \cline{1-1} a_1=-25\\ d= -12\\ n = 85 \end{cases}](/tpl/images/0278/5278/36920.png)
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Find the 85th term of the arithmetic sequence - 25, 37, 49,...
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