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Zolol [24]
3 years ago
5

20%= 2/?. What is the question mark? 5 100 10 20

Mathematics
1 answer:
AlekseyPX3 years ago
8 0

Answer:

10

Step-by-step explanation:

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The length of a rectangle is twice it’s width if the perimeter of the rectangle is 60 yards find its length and width
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Alexandra finds that she can give 3 haircuts and 2 hair dyes in 315 minutes. Giving 2
andrezito [222]

Answer:

3x+2y=315\\\\2x+4y=450

is the system of equations representing the situation.

Step-by-step explanation:

Given:

Alexandra finds that she can give 3 haircuts and 2 hair dyes in 315 minutes. Giving 2  haircuts and 4 hair dyes takes 450 minutes.

Now, to find the system of equations representing the situation.

<u><em>Let the number of haircuts be </em></u>x.<u><em /></u>

<u><em>Let the number of hair dyes be </em></u>y.<u><em /></u>

So, Alexandra can give 3 haircuts and 2 hair dyes in:

3x+2y=315.

Now, giving 2 haircuts and 4 hair dyes in:

2x+4y=450.

Therefore,

3x+2y=315\\\\2x+4y=450

is the system of equations representing the situation.

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Step-by-step explanation:

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