Jordan made 8th blankets with 136 yard of material how many yards of material does she need to make 23 blanket

Mathematics

2 answers:

prisoha [69]2 years ago

4 0

The answer is three hundred ninety one

miss Akunina [59]2 years ago

3 0

Answer:

391 yds of material

Step-by-step explanation:

to find the answer, you take 136 yards divided by 8 blankets, which equals 17.

Next, you multiply 23 blankets by that 17.

Then you find your answer, 391 yds.

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Round 2593.6781 to nearest thousandths.

sveta [45]

Answer:

The answer is 2593.678

Step-by-step explanation:

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3 years ago

Mike is pouring a two foot cement sidewalk around the perimeter of his swimming pool. His swimming pool measures 6 feet by 14 fe

frosja888 [35]

9 inches * 1 foot / 12 inches
= 3/4 feet deep

Area of the sidewalk:
= the sides of the pool * the width of the sidewalk + the corners of the sidewalk (width * width)
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3 years ago

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A storage tank will have a circular base of radius r and a height of r. The tank can be either cylindrical or hemispherical (ha

Neko [114]

Answer:

Volume: $\frac{2}{3}\pi r^3$

Ratio: $\frac{2}{9}r$

Step-by-step explanation:

First of all, we need to find the volume of the hemispherical tank.

The volume of a sphere is given by:

$V=\frac{4}{3}\pi r^3$

where

r is the radius of the sphere

V is the volume

Here, we have a hemispherical tank: a hemisphere is exactly a sphere cut in a half, so its volume is half that of the sphere:

$V'=\frac{V}{2}=\frac{\frac{4}{3}\pi r^3}{2}=\frac{2}{3}\pi r^3$

Now we want to find the ratio between the volume of the hemisphere and its surface area.

The surface area of a sphere is

$A=4 \pi r^2$

For a hemisphere, the area of the curved part of the surface is therefore half of this value, so $2\pi r^2$ . Moreover, we have to add the surface of the base, which is $\pi r^2$ . So the total surface area of the hemispherical tank is