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OpenStudy (anonymous):
Identify the 42nd term of an arithmetic sequence where a1 = -12 and a27 = 66. Question 6 options: 1) 70 2) 72 3) 111 4) 114
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OpenStudy (angela210793):
a27=a1+26d 66=-12+26d 26d=78 d=3 a42=a1+41*3=-12+123=111
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