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OpenStudy (anonymous):
What is the 19th term of the arithmetic sequence 15, 23, 31, … ?
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OpenStudy (lgbasallote):
a19 = a1 + (n-1)d a19 = 15 + (14)8 a19 = 15 + 112 a19 = 127
OpenStudy (anonymous):
a19 = a1 + (n-1)d a19 = 15 + (18)8 a19 = 15 + 144 a19 = 159
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