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OpenStudy (anonymous):
What is the 23rd term of the arithmetic sequence where a1 = 6 and a5 = 20?
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OpenStudy (cwrw238):
common difference (d ) = (a5 - a1) / 4 = 20-6 / 4 = 3.5 23rd term = a1 + 22d = 6 + 22* 3.5
OpenStudy (anonymous):
is it 83?
OpenStudy (cwrw238):
6 + 77 = 83 yup
OpenStudy (anonymous):
thanks!
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