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4 years ago

A cylinder has a volume of 288x cubic meters and a height of 9 meters. What is the area of the base?

Mathematics

1 answer:

scZoUnD [109]4 years ago

5 0

Answer: area of the base = 32 m²

Step-by-step explanation:

Cylinder volume is the product of area of the base by height.

Then, area of the base = cylinder volume/height = 288m³/9m = 32 m²

Answer: area of the base = 32 m²

$\textit{\textbf{Spymore}}$

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Does anyone know what the √2.25 is when rewritten as a fraction?

Zinaida [17]

Answer: $\sqrt{\frac{9}{4} }$

Step-by-step explanation:

This is what it is as a mixed number

$\sqrt{2.25}$

= $\sqrt{2\frac{1}{4} }$

= $\sqrt{\frac{9}{4} }$

If you want it written in exponential form it would look like this:

$(\frac{9}{4}) ^{\frac{1}{2} }$

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2 years ago

Read 2 more answers

The major and minor axes of an ellipse are 25 inches and 4 inches in length. What is the area of the ellipse?

Nostrana [21]

Answer:

Therefore, the area of the ellipse is:

Area = 78.5 inches

Step-by-step explanation:

The formula to find the area of the ellipse is

$\:a\:\times \:b\:\times \:\pi$

The major axis of an ellipse = 25 inches

The minor axis of an ellipse = 4 inches

The value of a = major axis/2 = 25/2 = 12.5 inches

The value of b = minor axis/2 = 4/2 = 2 inches

Thus

The area of the ellipse:

Area = $\:a\:\times \:b\:\times \:\pi$

$=\:12.5\:\times\:2\:\times\:\pi$

$=25\pi$

$=78.5$ inches ∵ $\pi =3.14$

Therefore, the area of the ellipse is:

Area = 78.5 inches

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3 years ago

Put 0.367,36.5%,and 9/25 in order from least to greatest

alekssr [168]

.367, 36.5%, 9/25. hope this helps

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3 years ago

Someone please help me with this

bija089 [108]

Answer:

x = 60 degrees

Step-by-step explanation:

1. We know that a triangle has a total angle of 180. If we look at the image closely, triangle GEH can be found, and since we know two angles, which are 40 and 80, we can find the other angle. 180 - (40+80) = 60. Angle GEH is 60 degrees.

2. If angle GEH is 60 degrees, angle EFD will also be 60 degrees, since they have the same angle side. To prove this, we can use alternate interior angles. This means that if a line crosses two parallel lines, the inner angles made have the same size.

3. Since angle EFD is x, we can find that x is equal to 60 degrees.

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2 years ago

Find the value of the following expression -|12|

jenyasd209 [6]

The answer will be -12, as the '| |' Part means it will ALWAYS BE POSITIVE. However, the negative is on the outside of the lines, so all you really need to do is drop the lines to get -12 as your answer.

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3 years ago