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24-01-2017
Mathematics

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What is the 13th term of the arithmetic sequence?
A. 3
B. 3 1/2
C. 4
D. 3 3/4

What is the 13th term of the arithmetic sequence A 3 B 3 12 C 4 D 3 34 class=

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Аноним Аноним

24-01-2017

Here, a = 3/4, d = 1 - 3/4 = 1/4, n = 13
a(n) = a + ( n - 1)d
a(n) = 3/4 + (13-1)1/4
a(n) = 3/4 + 12/4
a(n) = 3/4 + 3
a(n) = 15/4
a(n) = 3 3/4

In short, Your Answer would be Option D

Hope this helps!

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