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lisov135 [29]
3 years ago
8

If anyone knows how to do this pls help I could really use it

Mathematics
1 answer:
nekit [7.7K]3 years ago
7 0
The perimeter of the triangle, namely the sum of all its 3 sides, is 110.

now, the three sides are in a 6:7:9 ratio, namely, if we divide 110 by (6+7+9), it will give us hmmm 110/22, a quotient of 22 equal pieces, namely how many times 22 would go into 110.

now, the small side, takes 6 of those pieces, the medium side takes 7 of them and the largest takes 9 of those pieces.

110/22 = 5

the small side is then 6(5).

the medium side is 7(5).

and the largest side is 9(5).

add them up, and you'd get the perimeter, 110 inches.
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3 years ago
A rectangular tank that is 5324 ft cubed with a square base and open top is to be constructed of sheet steel of a given thicknes
marishachu [46]

Answer:

Side of 22 and height of 11

Step-by-step explanation:

Let s be the side of the square base and h be the height of the tank. Since the tank volume is restricted to 5324 ft cubed we have the following equation:

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As the thickness is already defined, we can minimize the weight by minimizing the surface area of the tank

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We can substitute h = 5324 / s^2

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A = s^2 + 21296/s

To find the minimum of this function, we can take the first derivative, and set it to 0

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4 0
3 years ago
What is 12 3/5 divided 2 1/10?
raketka [301]

Answer:

The answer is six

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7 0
3 years ago
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