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eimsori [14]
3 years ago
9

A = 3 and c = 12 c/a =

Mathematics
1 answer:
Bess [88]3 years ago
3 0

Answer:

4, because 12/3 is 4 cause 3×4=12

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The radius of the base of the cylinder is 2x cm and the height of the cylinder is h cm.
valentina_108 [34]

Answer:

h = 9x

Step-by-step explanation:

Given: i. for the cylinder, base radius = 2x cm, height = h cm

           ii. for the sphere, radius = 3x cm

           iii.  volume of the cylinder = volume of the sphere

volume of a cylinder is given as;

volume = \frac{1}{3}\pir^{2}h

where: r is its base radius and h the height

volume of the given cylinder = \frac{1}{3}\pi x (2x)^{2} x h

                                              = \frac{1}{3}\pi x 4x^{2} x h

                                              = \frac{4}{3}\pix^{2} h

volume of a sphere = \frac{4}{3}\pir^{3}

where r is the radius.

volume of the given sphere =  \frac{4}{3}\pi x (3x)^{3}

                                         =  \frac{4}{3}\pi x 9 x^{3}

                                         = 12\pix^{3}

Since,

volume of the cylinder = volume of the sphere

Then we have;

\frac{4}{3}\pix^{2} h = 12\pix^{3}

4\pix^{2} h = 36\pix^{3}

subtract x^{2} from both sides

4\pih = 36\pix

divide both sides by 4\pi

h = \frac{36\pi x}{4\pi }

  = 9x

h = 9x

5 0
3 years ago
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Answer:

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Step-by-step explanation:

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If x and x+ 10 are a pair of adjacent angle find them ​
ikadub [295]

Answer:

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Step-by-step explanation:

Given that , x and x + 10 are a pair of angles .

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=> 2x = 180° -10°

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=> x = 170°/2

=> x = 85° .

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See attached picture for the answers:

4 0
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Which fraction can be replaced with 0 when estimating with fractions?
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Answer:

None

Step-by-step explanation:

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