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Nonamiya [84]
3 years ago
8

Twenty people get into an elevator in a hotel with seven floors, and all of them get off at some point. How many different possi

bilities exist for how the people could get off the elevator? (you can treat the people as indistinguishable for this problem, i.e., for example, if two people get off on the 4th floor, we don’t care which two people they are.)
Mathematics
1 answer:
Fittoniya [83]3 years ago
7 0

Answer:

140

Step-by-step explanation:

you multiply the amount of people by the amount of floors, 7x20=140

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Answer:

[see below]

Step-by-step explanation:

We can tell that for every hour passed the distance traveled by the train would increase by 40 miles.

We can use the equation d = 40t to determine the values of the table. The 'd' is total distance and 't' is the number of given hours.

Two hours:

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d = 80

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Four Hours:

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d = 160

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2 years ago
Which expression can be used to find the quotient of 15 and 1/3?
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<u><em>D</em></u>

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The expression has 2 factors, and the second factor has 2 terms.

<h3 /><h3>How many factors has the expression?</h3>

We can write an expression of N factors as:

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Here, the expression is:

4*(8x + 5)

This expression has 2 factors, which are:

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Now, if we look at the only factor 8x + 5, we have two terms (the terms are the parts that are added), the terms are:

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