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Slav-nsk [51]
3 years ago
14

QUESTION as picture below

Mathematics
1 answer:
iogann1982 [59]3 years ago
3 0
I don’t really know this one but I’m sure someone will help
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Work out the shaded area of this shape.
aliina [53]

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73

Step-by-step explanation:

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3 years ago
The volume of a cone is represented by the formula V = 1 T?n. If the volume of a cone is 30rt and the height is 2.5, what is the
Airida [17]

Answer:

radius is 3.38cm

Step-by-step explanation:

Note: the volume of a cone is given as

V= 1/3 \pi r^2 h

Step one:

Given Information

volume= 30cm^3

height= 2.5cm

Required

The radius of the cone

Step two:

substituting our data into the expression for the volume of a cone we can then solve for the radius r

30=1/3 *3.142*r^2 * 2.5\\\\30=1/3*7.855r^2\\\\30=2.62r^2\\\\

divide both sides by 2.62

30/2.62= r^2\\\\11.45= r^2\\\\r=\sqrt{11.45} \\\\r=3.38cm

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2 years ago
I NEED HELP FAST PLEASE!!!!!!!! The ratio of the volumes of the similar solids is_____ (5:1, 25:1, 125:1)
erma4kov [3.2K]

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3 years ago
What single decimal multiplier would you use to decrease by 7% followed by a 20% decrease
Vesna [10]

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x 0.27

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Read 2 more answers
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