What’s the piremeter of a polygon
1 answer:
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Hey!
RS = 15 and RT = 18. Subtract 18 from 15 to get your answer.
<em>That means your answer is 3</em>
9514 1404 393
Answer:
geometric sequence
Step-by-step explanation:
The terms of the sequence have a common ratio of -12/3 = -4, so the sequence is geometric. The general term is ...
an = 3(-4)^(n-1)
so the sum can be written as ...
(Note the summation starts at n=0, corresponding to a first term of 3.)