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olga55 [171]
3 years ago
7

A cube has a surface area of 3,750 square feet. Find the length of one side.

Mathematics
2 answers:
enyata [817]3 years ago
7 0
If you know the surface area then just divide it by 2.cause you get the area by multiplying and so you get the answer of 25.

In short answer 25.
uranmaximum [27]3 years ago
3 0
Surface area of cube = 6s²

<span>6s² = 3750
</span>
<span>s² = 3750 / 6
</span>
<span>s² = 625
</span>
s = √625

s = 25

length of one side = 25 feet.
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Using the perimeter of a rectangle, it is found that she can make a deck of 122 ft wide.

<h3>What is the perimeter of a rectangle?</h3>

The perimeter of a rectangle of length l and width w is given by:

P = 2(l + w)

In this problem:

  • She has enough wood to build a deck that is 280ft, hence P = 280.
  • The length is of 10 feet, hence l = 10.
  • Considering that the deck's width will be added to the actual width of 8 feet, we have that w = 8 + w.

Then:

P = 2(l + w)

280 = 2(10 + 8 + w)

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2w = 244

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She can make a deck of 122 ft wide.

You can learn more about the perimeter of a rectangle at brainly.com/question/10489198

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\textit{\textbf{Spymore}}

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