IvanMunoz518
IvanMunoz518
04-07-2018
Mathematics
contestada
Help Plz dont understand
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ALin03
ALin03
04-07-2018
You can use the arithmetic sequence sum formula here:
[tex]n(a_1+ \frac{d(n-1)}{2} )[/tex]
Where d = 4
n = 15
[tex]a_i[/tex] = 4i-1
Then, plug the values in, and you should get
465
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amberadams101
amberadams101
04-07-2018
A. 465 should be the correct answer
Answer Link
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