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OpenStudy (anonymous):
What is the 41st term of the arithmetic sequence where a1=18 and a15=-38? a.-142 b.-138 c.-134 d.-130
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OpenStudy (anonymous):
\[a _{1}=18 \] and \[a _{15}=-38 \]
OpenStudy (anonymous):
a
OpenStudy (anonymous):
@Sloth7 how did you get it?
OpenStudy (anonymous):
18 + 14d = -38 14d = -56 d = -4 18 + 40*-4 = 18 - 160 = -142
OpenStudy (anonymous):
Thank You for your help, it is greatly appreciated @Sloth7
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OpenStudy (luigi0210):
Nice work @Sloth7
OpenStudy (anonymous):
TY
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