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Alexxx [7]
3 years ago
14

Use multiplication to find three raios equivalent to 5 : 11.

Mathematics
2 answers:
umka2103 [35]3 years ago
6 0

in  the  past  month,karen  rented   7 7  videos  games  and   6 d v d . the  rental  price  for  each  video  game    was  $ 2 . 8 0 the  rental  priece  for  each.What  is  the  total  amount  that  karen  spent  on  video  game and dvd rentals in the past month?

sladkih [1.3K]3 years ago
6 0
10:22 (times each side by 2)
15:33 (times each side by 3)
20:44 (times each side by 4)
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Miriam is picking out some movies to rent, and she is primarily interested in comedies and foreign films. She has narrowed down
Keith_Richards [23]

Answer:

There are 795 combinations.

Step-by-step explanation:

The number of ways or combinations in which we can select k element from a group of n elements is given by:

nCk=\frac{n!}{k!(n-k)!}

So, if Miriam want to choose 3 movies with at least two comedies, she have two options: Choose 2 comedies and 1 foreign film or choose 3 comedies.

Then, the number of combinations for every case are:

1. Choose 2 Comedies from the 10 and choose 1 foreign film from 15. This is calculated as:

10C2*15C1=\frac{10!}{2!(10-8)!}*\frac{15}{1!(15-14)!}

10C2*15C1=675

2. Choose 3 Comedies from the 10. This is calculated as:

10C3=\frac{10!}{3!(10-3)!}=120

Therefore, there are 795 combinations and it is calculated as:

675 + 120 = 795

8 0
3 years ago
8. Calculate Cell A normally divides once every two days. If its control mechanisms aren't working correctly, cell A divides six
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Louis is saving money for a car, he invests $1,200 in an account that pays an interest rate of 7.5%. How many years will it take
Artist 52 [7]

Answer: n + d = 30

0.05n + 0.10d = 2.20

^^ ur system of equations

Step-by-step explanation:

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Is this polyhedron a prism, a pyramid, or neither? Explain how you know.
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Answer:

Prism

Step-by-step explanation:

Pls give Brainliest.

4 0
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