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nignag [31]
2 years ago
11

Elleanna is planning is join a DVD club and is investigating the options for membership.Option 1 is a $20 memership fee and $1.2

5 rental change for each DVD rented.Option 2 has no rental fee and changes $2.50 for each DVD rented. How many DVDs would elleanna have to rent in order for the total cost of option 1 to be equal to option 2?

Mathematics
1 answer:
In-s [12.5K]2 years ago
7 0
She would have to rent 2 movies.

1.25 x 2 = 2.50
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Answer:

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Step-by-step explanation:

Given a basket, the probability of a ball to end there is \frac{1}{m} (because there are m baskets).

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Finally, the probability of the basket to remain empty after n throws is

(\frac{m-1}{m})^n

This last is because, given n independets events with probability p, the probability for all of them to happen is p^n. In this case p=\frac{m-1}{m}

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Svetradugi [14.3K]

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180

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5 0
2 years ago
Bad Investment After Mrs. Fisher lost 9% of her investment, she had $22,750. What was Mrs. Fisher's original investment?​
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Answer:

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Step-by-step explanation:

Given that,

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As she had lost 9%, it means she will remain with 91% of her investment. Let the original investment is x.

So,

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So, her original investment is equal to $25000.

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