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m_a_m_a [10]
3 years ago
8

7. Paula reduced the size of a rectangle to a height of 2 inches.

Mathematics
1 answer:
drek231 [11]3 years ago
6 0

Answer: if the width was not effected then the width is still 24 inches

if the area stayed the same, then

find area

area=legnth times width

288=12 times 24

so the new height./legnth =2

288=2 times width

divide by 2

144=width'

the new width =144

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Answer:

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marshall27 [118]

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Step-by-step explanation:

Step 1:

The composite figure consists of a cone and a half-sphere on top.

We will have to calculate the volumes of the cone and the half-sphere separately and then add them to obtain the total volume.

Step 2:

The volume of a cone is determined by multiplying \frac{1}{3} with π, the square of the radius (r²) and height (h). Here we substitute π as 3.1415.

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The volume of the cone :

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Step 3:

The area of a half-sphere is half of a full sphere.

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The volume of a full sphere \frac{4}{3} \pi r^{3} = \frac{4}{3} (3.1415) (4^{3}) = 268.07 cubic cm.

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The total volume = The volume of the cone + The volume of the half sphere,

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