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.)
Answer:
mark me brainliest please and its a yes
Step-by-step explanation:
Answer:
About 72 degrees
Step-by-step explanation:
The answer is 2.2 .... hope this helps!! :D