If a pie chart were to be made showing the preference for each flavor, the central angle for the chocolate ice cream sector woul
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ANSWER
EXPLANATION
The general term of the arithmetic sequence is
For the first term,we substitute
to get,
Similarly
The sum of the first n-terms is given by the formula,
where l is the last term.
In this case
We substitute these values to get,
We could have also used the formula,
EXPLANATION
The general term of the arithmetic sequence is
For the first term,we substitute
Similarly
The sum of the first n-terms is given by the formula,
where l is the last term.
In this case
We substitute these values to get,
We could have also used the formula,