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3 years ago

If the radius of a cylinder is 2/3 the height and the height is 6, what is the area of the cylinder

Mathematics

1 answer:

Zolol [24]3 years ago

3 0

Answer:

This is the answer if the question is asking for surface area. If the question is asking for lateral area or base area the formula will be different..

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Find the slope of the line passing through the pair of given points.<br> (5, 7) and (2,7)

gulaghasi [49]

Answer:

m = 0

Step-by-step explanation:

$m = \frac{7 - 7}{5 -2} \\m = \frac{0}{3}\\m = 0$

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3 years ago

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Yuki888 [10]

Okay , what about it?

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3 years ago

10m radius. What is the area of the circle? Round your answer to the nearest tenth.

Evgen [1.6K]

Answer:

Step-by-step explanation:

The area of a circle can be found using:

a=πr^2

We know that the radius is 10 meters. Therefore, we can substitute 10 in for r.

a=π*10^2

Evaluate the exponent

a=π*100

Multiply pi and 100

a=314.159265359

Round to the nearest tenth: there is a 5 in the hundreth place, which indicates we round up the 1 in the tenths place to a 2.

a=314.2

The area is 314.2 square meters, or choice D

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3 years ago

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One highlighter has a mass of 11 grams. Another highlighter

sergejj [24]

10,800 milligrams equals 10.8 grams so that the first highlighter has the greater mass

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3 years ago

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One leg of a right triangle is 7 inches longer than the smaller leg and the hypotenuse is 8 inches longer than the smaller leg.

Makovka662 [10]

Smaller leg = x
longer leg = y
hypotenuse = z

y=x+7
z=x+8

due to
${z}^{2} = {x}^{2} + {y}^{2} \\ (x + 8) ^{2} = {x}^{2} + (x + 7) ^{2} \\ {x}^{2} + 16x + 64 = {x}^{2} + {x}^{2} + 14x + 49 \\ {x}^{2} + 16x + 64 = 2 {x}^{2} + 14x + 49 \\ {x}^{2} - 2 {x}^{2} + 16x - 14x + 64 - 49 = 0 \\ - {x}^{2} + 2x + 15 = 0 \\ {x}^{2} - 2x - 15 = 0 \: \: (multiplied \: by \: - 1) \\ (x - 5)(x + 3) = 0 \\ then \: \: x = 5 \: \: or \: \: x = - 3$
but x cannot be -3
so smaller leg is 5 inches

then longer leg = 5+7 = 12 inches
and hypotenuse = 5+8 = 13 inches

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3 years ago