402 Answered Questions for the topic Volume

Volume 3d Shapes

01/26/16

A cylindrical can has a volume of 40p cm^3 and is 10 cm tall.
what is the diameter of the cylindrical can?
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01/19/16

What is the earth's average density?
An object's average density is defined as a ratio of its mass to its volume M/V. The earth's mass is 5.94*1024 kg, and its volume is 1.08*1012 km^3 .What is the earth's average density?
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01/08/16

HELP HUGE MATH PROJECT
For my math project I have to choose which shape for an ice cube would be best to design- a cube, a sphere or a cylinder. Things I also have to do are: - Find and simplify the... more
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01/07/16

Volume and Scale Factor
1. )A map is drawn for a cycling route that is 15 km in length using a scale factor of 0.000002       Determine the length of the route on map.    2.) The original volume of a three-dimensional... more
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01/07/16

Sydney scale diagram, scale factor question
Sydney drew a scale diagram of a circular fire pit in the center of a circular patio with an actual circumference of 15 m. The circle containing the fire pit is a reduction of the circular patio,... more
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01/06/16

math question! please help
1) the perimeter of a right triangle is 24in. find the dimnsions of the triangle if the sides are all whole number lengths    2) what size corners should be cut from a piece of cardboard that... more
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Volume

12/15/15

Word problem
If a patient must take two tablespoons of liquid medication twice a day, how many days will a 600-mL supply last?
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Volume Algebra Help

12/15/15

What is the volume of a cone that holds 350 cubic centimeters?
A cone that holds 350 cubic centimeters, what is the volume of the cone of the height is doubled?
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12/03/15

If the initial temperature of an ideal gas at 2.250 atm is 62.00 °C, what final temperature would cause the pressure to be reduced to 1.650 atm?
Help would be greatly appreciated! 
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12/01/15

Word problem for algebra about volume
The volume of one of the buildings in the downtown area is 235,224 cubic meters. The building is 9 times as tall as the radio tower on top of the building. The square base has a side that is 22... more
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Volume

11/16/15

volume of sphere
Show that where the radius of a circle of  a sphere is doubled, its volume of the sphere increases by 8 times.
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Volume

11/16/15

volume of sphere
One spherical concrete reservoir has its outer diameter equal to 4.6cm and the thickness of its wall is 20 cm. Find the capacity of the reservoir in litre.
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11/15/15

Hi. Please help me with the following two mathematical questions.
1) Solve the following equations using inverse operations.i) 3x-7=7+xii) 3[(6x-2)/4 (Separate)+ 1 ] = 332) A cylindrical (cylinder) water tank of diameter 2.2m and height of 3m is full of water.... more
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11/15/15

Maths homework
A reservoir, when full, contained 2 x 10 litres of water (a) During a dry summer, the volume of water in the reservoir was reduced by 5 x 107 litres each day until it was empty. How many days... more
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11/02/15

Finding the surface area of a cylinder.
If the surface area of a cylinder with a radius of 3 cm is 54(pie) cm^2 , what is the cylinder's volume?
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Volume Maths

09/17/15

I have 2 hemispheres witha radius of 9m, on either side of a cylicnder with a height of 30m
1) Find the volume, correct to 2 decimal places.   2) If all its lengths are scaled up by 4, what is the new volume?   3) If all its lengths are acted on by a scale factor of 0.5, what is the... more
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Volume Maths

09/17/15

I have a cone with a height of 21m, on a hemisphere with a radius of 2.5m.
a) Find the volume, correct to 2 decimal places.   b) If all the lengths are scaled up by 2, what is the new volume?   c) If all its lengths are acted on by a scale factor of 1/4 what is the... more
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Volume Maths

09/17/15

COnsider a box of tennis balls where as many balls are stacked across the bottom as possible. There are six balls on the bottom of the box.
Please help me.   You have a larger box of tennis balls. The dimensions of the box are 30cm long, 30cm wide and 30cm high. The radius of each ball is 3cm   a) If you stack the balls as close... more
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Volume Maths

09/17/15

I need to find the volume of a cylinder with a length of of 60m and a radius of 8m
i know that the formula is pi r^2 times H   What does pi equal in this case? Does the value of pi change? Because i completed my previous questions with pi as 3.142 and the answers were just off.... more
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08/23/15

find the volume of the solid obtained by rotating the region bounded by xy=4 and y=(x-3)^2 about the x-axis.
finding the volume of the solid
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08/23/15

the region bounded by y=0 and y=kx-x^2 is revolved around the y-axis to form a solid whose volume is 10.
what are the exact possible values of k? Hint: use cylindrical shells
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08/22/15

A solid has a flat base, which is bounded by the graph of y=x^3 and y=vx in the first quadrant only.
Each cross section of the solid perpendicular to the x-axis is the shape of a square. Find the volume of this solid.  a. 5/14 b. 25/126 c. 5/12 d. 47/125
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08/22/15

Given a solid whose cross-section is defined by A(x), the volume of the solid is given by _____________________.
v=∫A'(x)dx v=∫A(x)dx v=Π∫A(x)dx none of these
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08/18/15

A tank is formed by revolving the graph of y=x^4 around the y-axis. The tank has a height of 16.
Find the value of m such that the line y = m represents the height at which the tank is half full.  
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Volume

08/16/15

Is the volume of solids of revolution only applicable for linear functions?
I am finding the volume of a quartic function and the values that I'm getting is way off as to what the values I get from using other methods in finding volumes. Can you please help me.
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