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mrs_skeptik [129]
3 years ago
10

−20≤10n i need a solution.

Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
6 0
TAKE 10 ON THE OTHER SIDE 10 IS MULTIPLYING WITH n HENCE WHEN IT GOES TO OTHER SIDE IT WILL UNDERGO DIVISION
-20/10<n (or equal to)
-2<n
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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

A'=2\pi r^2 + \pi r^2 = 3 \pi r^2

Therefore, the ratio betwen the volume and the surface area of the hemisphere is

\frac{V'}{A'}=\frac{\frac{2}{3}\pi r^3}{3\pi r^2}=\frac{2}{9}r

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2 years ago
Find the missing dimension of each triangle described height 14 inches area 245 inches Square
Amiraneli [1.4K]
Given:
Triangle 
height 14 inches
area 245 inches square

Formula in finding the area of a triangle is:

Area = (height * base) / 2

The base is missing, so we need to compute its value using the given figures.

245 = (14 * b) / 2
245 * 2 = 14b
490 = 14b
490/14 = b
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The base is 35 inches.
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Kimberly Burns 360 cal in 45 minutes while jogging determine how many calories can really burns per minute
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Answer:

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Step-by-step explanation:

360 divided by 45 is 8 calories per minute

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Answer:

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Step-by-step explanation:

  • The line of best fit should be the one where majority of the points in the scatterplot lay near it
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1 year ago
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A restaurant used 8.4
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Just divide 8.4 by 6. And you’ll get 1.4 ounces on each piece of pizza.
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