ANSWER
-158
EXPLANATION
The general term of an arithmetic sequence is
where
is the first term and
is the common difference.
Since we want to find the 41st term, we put n=41 to obtain,
The 41st term is -158.
Which is the better buy?"
2 answers:
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Answer:
The 8th number is -9
Step-by-step explanation:
With an average, the sum of the seven numbers divided by 7 is 15.
In order to add an 8th number, we set up