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Firlakuza [10]
2 years ago
5

Someone please help!

Mathematics
1 answer:
svetoff [14.1K]2 years ago
7 0

Answer:

a =6

b=4

c=2

step-by-step explanation:

\sqrt{x^{12} y^{9}z^{5} }   = \sqrt{x^{12} y^{8}y z^{4} z}  = \sqrt{(x^{6}) ^{2} (y^{4}) ^{2} (z^{2})^{2} yz }  = x^{6}y^{4} z^{2}  \sqrt{yz}

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A,B

Step-by-step explanation:

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How do convert 50/6 in the lowest fraction
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7.
Iteru [2.4K]

Answer:

a. 45 π

b. 12 π

c. 16 π

Step-by-step explanation:

a.

If a 3×5 rectangle is revolved about one of its sides of length 5 to create a solid of revolution, we can see a cilinder with:

Radius: 3

Height: 5

Then the volume of the cylinder is:

V=π*r^{2} *h= π*(3)^{2} *(5) = π*(9)*(5)=45 π

b. If a 3-4-5 right triangle is revolved about a leg of length 4 to create a solid of revolution. We can see a cone with:

Radius: 3

Height: 4

Then the volume of the cone is:

V=(1/3)*π*r^{2} *h= (1/3)*π*(3)^{2} *(4) = (1/3)*π*(9)*(4)=12 π

c. We can answer this item using the past (b. item) and solving for the other leg revolution (3):

Then we will have:

Radius: 4

Height: 3

Then the volume of the cone is:

V=(1/3)*π*r^{2} *h= (1/3)*π*(4)^{2} *(3) = (1/3)*π*(16)*(3)=16 π

7 0
3 years ago
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2 years ago
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Find the value of X and QR If M is the midpoint of QR. QM=3x+2 and MR=5x-8
Y_Kistochka [10]
The value of X is 5 and QR is 34
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