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OpenStudy (4meisu):
In an arithmetic sequence, the first term is 5 and the fourth term is 40. Find the second term.
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OpenStudy (anonymous):
a1=5 a4=40 a4 = (4-1)d +a1 40 =3d +5 d= 35/3 a2 =a1 +d =5 + 35/3 = 50/3
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