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victus00 [196]
3 years ago
14

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

Mathematics
1 answer:
konstantin123 [22]3 years ago
4 0
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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Round each decimal number to the near estas integer: 11.90, 5.49, 7.09, 8.5, -2.2
astraxan [27]

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5.49 rounds down to 5.

7.09 rounds down to 7.

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zzz [600]
The answer is z = 3 + i

z = a + bi
conj(z) = a - bi

conj(7 + 3i) = 7 - 3i

<span>(conj)z + 2z = 2 + 4i + conj(7 + 3i)
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</span>a - bi + 2a + 2bi =<span> 2 + 4i + 7 - 3i
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From here:
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a = 3                       b = 1

z = a + bi
z = 3 + 1 * i
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