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Snezhnost [94]
2 years ago
10

3(2y-1)-2(2y)=2. what is the answer to this

Mathematics
2 answers:
fredd [130]2 years ago
8 0
Y=5/2 well I think it is
Katen [24]2 years ago
6 0

Answer:

y=5/2

Step-by-step explanation:

1. multiply each terms out seperately .

6y-3-4y=2

2. combine like terms .

6y-4y=2y

2y-3-= 2

add 3 to both sides  in order to get 2y by itself.

2y = 5

3. divide both sides by 2 so the answer is y=5/2.


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Please Explain/Show Your Work, for each part of the question! Thank You!
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Seven people are in an elevator which stops at ten floors. In how many ways can they get off the elevator?
zlopas [31]

The number of ways people can get off the elevator is 604800 ways.

In this question,

Number of people, n = 7

Number of floors, r = 10

The first person can leave elevator in one of 10 ways. Then second person has to choose from one of remaining 9 floors. Then third person in 8, fourth in 7 ways and so on.

Number of ways people can get off the elevator can be calculated as

⇒ nP_r=\frac{n!}{(n-r)!}

⇒ 10P_{7}=\frac{10!}{(10-7)!}

⇒ 10P_{7}=\frac{10!}{(3)!}

⇒ 10P_{7}=\frac{(10)(9)(8)(7)(6)(5)(4)3!}{(3)!}

⇒ 10P_{7}=(10)(9)(8)(7)(6)(5)(4)

⇒ 604800 ways.

Hence we can conclude that the number of ways people can get off the elevator is 604800 ways.

Learn more about number of ways here

brainly.com/question/27992615

#SPJ4

4 0
1 year ago
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