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iogann1982 [59]
3 years ago
5

15/y=20/4 Solve the proportion

Mathematics
1 answer:
lesya692 [45]3 years ago
4 0

Answer:

y=3

Step-by-step explanation:

15/y=20/4

or, 15/y=5

or, 15/5= y

or, y=3

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Answer:

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Step-by-step explanation:

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Help!<br> math problem step by step please
natta225 [31]

Answer:

2x -y ≥ 4

Step-by-step explanation:

The intercepts of the boundary line are given, so it is convenient to start with the equation of that line in intercept form:

... x/(x-intercept) + y/(y-intercept) = 1

... x/2 + y/(-4) = 1

Multiplying by 4 gives the equation of the line.

... 2x -y = 4

This line divides the plane into two half-planes. The half-plane that is shaded is the one for larger values of x and/or smaller values of y than the ones on the line. So, for some given y, if we increase x we will get a number from our equation above that is greater than 4. Hence, the inequality we want is ...

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3 years ago
Please help me:) i will give brainliest to the right answer&lt;3
erik [133]

Answer:

It does

Step-by-step explanation:

It does have a proportional relationship because if you try to find the relationship between the first two inputs and outputs, you can find that it is 21 (1 to 21, 21 divided by 1 would be 21) then if you use that relationship with the other numbers (times 21) you would get the same answer. For example in the second one, the two numbers are 2 and 42, 2 times 21 would equal 42. The next one would be 3 times 21 to equal 63 and etc.

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MAXImum [283]

Your pfp. *kneels down*

will you marry me, genshin player?

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2 years ago
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Cell phone Plan A costs$70 per month and comes with a free$500 phone. Cell phone Plan Bcosts$50 per month but does not come with
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Answer:

25

Step-by-step explanation:

A = 70*M

B = 500 + 50*M

Costing the same means equal, so we have the equation:

70M = 500 + 50M

-50M           -50M

 

20M = 500

20M / 20 = 500 / 20

m- 25 months

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2 years ago
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