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SpyIntel [72]
2 years ago
13

turner's mom measured his room to see how long the wallpaper border needed to be. If two walls are 15 feet long and two walls ar

e 12 feet long, how long should the strip of border be cut?
Mathematics
1 answer:
anyanavicka [17]2 years ago
4 0

Answer:

  54 feet

Step-by-step explanation:

The perimeter of the room is the sum of wall lengths:

  2·(15 feet) + 2·(12 feet) = 30 feet + 24 feet = 54 feet

The border should be cut to 54 feet.

_____

<em>Comment on the question</em>

This seems to be a math problem designed to get you to figure the perimeter of the room. If you were actually installing wallpaper, you might want to cut the border in four (4) pieces, each slightly longer than the corresponding wall. That way any lack of squareness in the corners could be managed more easily, and the possibility of a gap at the seam could be eliminated.

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LiRa [457]
Let's set it up like this:
0.513=\frac{\left(2x\right)^2}{\left(0.05-x\right)}
Multiply both sides by 0.05-x
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We are then going to use the distributive property. Since we also know that the opposite of an number that is squared is the square root, we can also apply that. We would be left with something like this:
x=-\frac{0.513+\sqrt{0.673569}}{8},\:x=\frac{\sqrt{0.673569}-0.513}{8}
The variable x can be both positive or negative.
We have found successfully our answer.

Let me know if you have any questions regarding this problem!
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3 years ago
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BartSMP [9]

Answer:

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Step-by-step explanation:

Multiply the fraction by 100%.

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3 0
2 years ago
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Answer:

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Step-by-step explanation:

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