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OpenStudy (anonymous):
What is the 32nd term of the arithmetic sequence where a1 = 12 and a13 = –60?
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OpenStudy (anonymous):
tn= a+(n-1)d -60= 12+(13-1)d -60=12+12d -72=12d d=-6 tn=a+(n-1) = 12+ (32-1)-6 =12+ (31x-6) = 12-186 =-174
OpenStudy (anonymous):
thanks so much!
OpenStudy (anonymous):
no problem
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