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lana [24]
2 years ago
5

Tabitha collects quarters from different states. The value of her collection is $17.75. How many quarters does she have in her c

ollection?
Mathematics
2 answers:
Anvisha [2.4K]2 years ago
8 0
She has 71 quarters in her collection.
kvasek [131]2 years ago
5 0

Answer:

71

Step-by-step explanation:

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3 years ago
In a race in which eleven automobiles are entered and there are no ties, in how many ways can the first three finishers come in?
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Answer:

990 ways

Step-by-step explanation:

The total number of automobiles we have is 11.

Now, what this means is that for the first position , we shall be selecting 1 out of 11 automobiles, this can be done in 11 ways( 11C1 = 11!/(11-1)!1! = 11!/10!1! = 11 ways)

For the second position, since we have the first position already, the number of ways we can select the second position is selecting 1 out of available 10 and that can be done in 10 ways(10C1 ways = 10!9!1! = 10 ways)

For the third position, we have 9 automobiles and we want to select 1, this can be done in 9 ways(9C1 ways = 9!/8!1! = 9 ways)

Thus, the total number of ways the first three finishers come in = 11 * 10 * 9 = 990 ways

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3 years ago
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In a race a cyclist travels 3/8 of the distance in the first hour and 1/3 of the distance in the second hour. What fraction of t
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7/24

Step-by-step explanation:

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