An arithmetic sequence is defined by:a_1=-8a1=−8a_n=a_{n-1}+4an=an−1+4What is the 7th term of the sequence?
1 answer:
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Answer:
x = 4.5
Step-by-step explanation:
there's definitely other ways to solve this, but I used a proportion.
Then you can make this equation:
14x = 3.5 * 18
I solved for it and got 4.5 .