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meriva
3 years ago
14

David purchased three shirts that cost an equal price as well as a hat for $15. If he spent $47.52 shopping, write an equation t

hat represents the situation.
Mathematics
1 answer:
OleMash [197]3 years ago
5 0

Answer:

Step-by-step explanation:

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suppose 5 men and 7 women are on a crowded elevator. at the next floor, four people get off the elevator. find the probability t
lubasha [3.4K]
The total number of arrangements for all of them to be women is:
C(7, 4) because the order does not matter; we'd still have the same arrangements.

Now, we can simplify this:
C(7, 4) = \frac{7!}{4!(7 - 4)!}
= \frac{5040}{4!3!}
= \frac{5040}{24 \cdot 6}
= \frac{5040}{144} = 35

Now, the total number of arrangements, without restriction, is simply: C(12, 4) because we don't care who we pick.

\text{P(4 women): } \frac{35}{495} = \frac{7}{99}
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3 years ago
What is the positive square root of 16?
jeka94
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Answer:

B

Step-by-step explanation:

you have probably finished the quiz by now but anyway

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yes the first step is

Step-by-step explanation:

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3 years ago
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