The cost (in dollars) of a custom made sweatshirt is represented by 3.5n +29.99, where n is the number of different colors in th
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The nth term is (presuming the denominator on the first is a typo)
The ratio of successive terms is
The limit is -1/3, absolute value less than 1, so the series converges. It has a sum -- that's what converges means.
The ratio of successive terms is
The limit is -1/3, absolute value less than 1, so the series converges. It has a sum -- that's what converges means.
The formula for an infinite geometric sequence is the following:
Just substitute the values of
and r into the formula.
Therefore, the answer is 20.
Just substitute the values of
Therefore, the answer is 20.