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2 years ago

5

The area of a rectangular wall of a barn is 80 square feet. The lenth is 12 feet longer than twice its width. Find the length an

d width of the barn.

1 answer:

aivan3 [116]2 years ago

8 0

Do you have the answer key to this question if so can you plz tell me the correct answers to check if my work is right
Thanks!

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A sphere has a radius of 4 inches. What is the surface area of the smallest cube that could circumscribe the sphere?

vovikov84 [41]

Answer:

$SA=384\ in^2$

Step-by-step explanation:

we know that

The smallest cube that could circumscribe the sphere has a length side equal to the diameter of the sphere

In this problem

The radius of the sphere is $r=4\ in$

The diameter of the sphere is two times the radius

$D=2r=2(4)=8\ in$

so

The length side of the cube is

$b=8\ in$

Remember that

The surface area of a cube is equal to the area of its six faces

so

$SA=6b^2$

substitute the value of b

$SA=6(8)^2$

$SA=384\ in^2$

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2 years ago

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Harlamova29_29 [7]

Answer:

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Step-by-step explanation:

divided by 5 then multiply by 9 then add 32

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2 years ago

Help needed....

LenKa [72]

The answer is C) y = 4x - 3
B and D can be eliminated by substituting 0 for x in each...the result is not -3
Now you have a 50/50 chance of getting the question correct

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3 years ago

64 - 9p for p=4,9,-3

V125BC [204]

64-9(4)

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So whats the rest of this question? its uncompleted.

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