Mathematics
proach5710
2016-09-25 22:48:36
The first term of the arithmetic sequence is -3 and the 15th term is 53. What is the common difference of the sequence?
ANSWERS
FrancieOcken
2016-09-26 00:57:49

a1+d(n-1) -3+d(15-1)=53 14d=56 d=4

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