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2 years ago

Help me please Asap

Mathematics

1 answer:

Eduardwww [97]2 years ago

6 0

Answer:

it is the last one {-4, -1, 0, 1, 2}

Step-by-step explanation:

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3 years ago

There are 12 boys and 20 students. What is the ratio of girls to boys

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3 years ago

Help! In order to get 40 points! Please answer asap thank you !

Umnica [9.8K]

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Step-by-step explanation:

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3 years ago

How many gallons of water could a 5 feet by 2 feet by 2 feet aquarium hold? How much the 150 gallons of water would weigh?

Marianna [84]

Answer:

V = (5 feet) (2 feet) (2 feet) V = 20 cubic feet To convert the volume into gallons, multiply the above answer by 7.48 since there are 7.48 gallons of water in one cubic foot. This will give us an answer of 150 gallons of water.

Step-by-step explanation:

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2 years ago

The roof of a grain silo is in the shape of a cone. The inside radius is 20 feet, and the roof is 10 feet tall. Below the cone i

nirvana33 [79]

Answer:

41887.90 cubic feet

Step-by-step explanation:

We need to find the volume of the silo.

We simply need to find the volume of the cylindrical part and the conical part and add them together.

The body of the silo is a cylinder with height of 30 ft and radius of 20 ft and the roof is a cone with height 10 ft and radius 20 ft.

The volume of a cylinder is given as:

$V = \pi r^2h$

The volume of a cone is given as:

$V = \frac{1}{3} \pi r^2H$

where r = radius of cylinder and cone

h = height of cylinder

H = height of cone

Adding them together, we have that the volume of the silo is:

$V = \pi r^2h + \frac{1}{3} \pi r^2H$

$V = \pi r^2 (h + \frac{1}{3}H)\\ \\V = \pi * 20^2 (30 + [\frac{1}{3}* 10]) \\\\V = 1256.64 ( 30 + 3.33)\\\\V = 1256.64(33.33)\\\\V = 41887.90 ft^3$

The volume of the silo is 41887.90 cubic feet.

5 0

3 years ago