Questions in the photo. Please HELP!
2 answers:
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Answer:
Step-by-step explanation:
Arithmetic sequence:
In an arithmetic sequence, the difference between consecutive terms is always the same, and is called common difference.
The nth term is given by the following equation:
In which is the first term and d is the common difference.
First term is 9 common difference is -2
This means that
So, the nth term is given by: