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OpenStudy (anonymous):
HELP ME! Question on arithmetic sequencing. Attachment below! Help much appreciated! My question is what equation would I use to solve this and how would I plug all the variables in?
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OpenStudy (anonymous):
@whpalmer4 @hartnn
OpenStudy (anonymous):
OpenStudy (anonymous):
@ganeshie8
OpenStudy (whpalmer4):
Didn't we go over this? \[a_n = a_1 + (n-1)d\] You have \(a_1 = -7\) and \(d = 3\). Plug those numbers into the formula to get the formula tailored to this problem. Then, to find \(a_n\) you take the \(n\) from the subscript and plug that in as the value of \(n\) and evaluate. For example, to find \(a_3\), you would put in \(n = 3\)
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