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ANEK [815]
3 years ago
9

Pls help i dont get how to do this

Mathematics
1 answer:
Lorico [155]3 years ago
3 0

Step-by-step explanation:

What this is saying is...20 is a whole number; but 3/4 is not. What they are saying is, if you have to add a mixed number with a whole number, you can add both of the whole numbers together. Then, you add the 3/4 at the end...because it is not a whole number. You can break apart a mixed number by separating the whole number and the fraction.

Hope this helps :)

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Lisa and Krystal are planning trips to ten countries this year. They have 14 countries on their bucket list, in how many ways ca
Salsk061 [2.6K]

Answer:

1,001 ways for them to decide.

Step-by-step explanation:

The order in which they will visit the countries is not important, so we use the combinations formula to solve this question.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

In this question:

10 countries from a set of 14. So

C_{14,10} = \frac{14!}{10!(14-10)!} = 1001

1,001 ways for them to decide.

8 0
3 years ago
A washer and a dryer cost 984 combined. The washer costs 84 more than the dryer. What is the cost of the dryer?
kaheart [24]

Answer:

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Step-by-step explanation:

hope this helps! :)

6 0
2 years ago
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3 years ago
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Answer: 42 minutes

Step-by-step explanation:

7 0
3 years ago
Raffle tickets are being sold for a fundraiser. The function a(n) relates the
Vlada [557]

Answer:

If the function is

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Step-by-step explanation:

8 0
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