Search: if the edge of a cube is doubled, the volume

Number of results: 3,764

Algebra
The edge of one cube is 5cm shorter than the edge of a second cube. The volumes of the two cubes differ by 875cm^3. Find the edge of the smaller cube.
Tuesday, January 29, 2013 at 6:01pm by Penny

math (algebra honors)
The edge of one cube is 2 cm shorter than the edge of a second cube. The volumes of the two cubes differ by 386 cm^3. Find the edge of the smaller cube using factoring.
Sunday, February 27, 2011 at 5:52pm by K.S.

Chemistry
You measure one edge of a cube using a meter stick marked in centimeters. Unfortunately, the edge is longer than 1 m. You mark the 1-m point on the cube edge with a pen and then, using a 15-cm ruler marked in millimeters, measure the remaining distance to be 1.40cm. (a) What ...
Sunday, October 16, 2011 at 8:12pm by Sally

Chem (last question, I promise)
You measure one edge of a cube using a meter stick marked in centimeters. Unfortunately, the edge is longer than 1 m. You mark the 1-m point on the cube edge with a pen and then, using a 15-cm ruler marked in millimeters, measure the remaining distance to be 1.40cm. (a) What ...
Sunday, October 16, 2011 at 8:42pm by Miranda

math
A cube with edges of length 2 centimeters is buildt from centimeter cubes. If you paint the faces of this cube and then break it into centimeter cubes, how many cubes wil be painted on three faces? how many will be painted on two faces? On one face? How many will be unpainted...
Wednesday, January 31, 2007 at 3:08pm by jena

MATH!
If the edge of a cube is increased by 50%, then the volume is increased by x%. Find x. PLEASE HELP. THANK YOU. Let Y = edge of a cube. Y + 0.5Y = 1.5Y = new edge of the cube. Then old volume is Y^3 New volume is (1.5Y)^3 = 2.375Y^3. %increase = ([3.375Y^3 - Y^3]/Y^3) x 100 = x...
Wednesday, August 23, 2006 at 10:42pm by Jenna

Algebra 2
i actually have two questions. - the edge of one cube is 4 m shorter than the edge of a second cube. the volumes of the two cubes differ by 1216m^3. find the edge of the smaller cube. - the sum of the squares of the two larger of three consecutive even integers is 12 less than...
Sunday, March 20, 2011 at 9:15pm by Ana

Math
damn i cant post a drawing..there r 2 cubes, cube x and cube y and the length of the cube x is 12cm. A) find the volume of cube x. B) if cube y has a volume equal to 1/8 of the volume of cube x, find the length of its edge.
Monday, June 4, 2012 at 10:46am by 大S

chemistry
A pure copper cube has an edge length of 2.00cm. How many copper atoms does it contain? (volume of a cube = (edge length)^3; density of copper = 8.96g/cm^3 )
Tuesday, October 26, 2010 at 6:15pm by rachel

math
Which of the following is a formula for finding the volume of a cube? A. v=e^3, where e= the edge length B. v=(lwh)^3, wherel= length,w=width andh=height C.v=6e^2, where e=the edge length D. v=b*b, where b= the area of the base I picked A since V=s^3 or e^3 for the volume of a...
Saturday, March 30, 2013 at 10:48am by em

math
The edge of a cube is increasing at a rate of .05 cm/s. In terms of the side of the cube, s, what is the rate of change of the volume of the cube?
Wednesday, November 12, 2008 at 3:59pm by vivi

calculus
the edge of a cube is increasing at the rate of .05 centimeters per second. in terms of the side of the cube s, what is the rate of change of the volume of the cube, in cm^3/sec
Thursday, February 10, 2011 at 12:25am by crystal

Chemistry
You don't. cm^3 is volume. Plain pm = length. I assume you must mean convert to cubic picometers. This makes a lot of extra work if you do it that way. Why don't you convert from volume to edge length? That is volume = (edge length)^3. So take the cube root of the ...
Wednesday, January 2, 2008 at 4:09pm by DrBob222

Science
One edge of a copper cube is carefully measured and found to be 2.162 cm. An atom of copper is a sphere 0.2560 nanometers in diameter. Assuming that the volume of the cube contains nothing but copper atoms, how many copper atoms are contained in the cube? (the volume of a cube...
Saturday, September 24, 2011 at 8:27pm by Laurel

algebra
First: solve for k. Then, go back to the original equation c=k(d-3) and solve for c when d is ten. Second: Area=k*s^2 Put in the fist conditions, solve for k. Then, knowing k, solve for A when is eight. direct variation 1)if c varies directly as d-3, and if c=16 when d=7, find...
Monday, May 21, 2007 at 9:21pm by SraJMcGinn

math-need help
The volume of the cube raises the water 1.5 units so the volume of the cube is: 1.5 * 12 * 8 units cubed so V = 144 units^3 that is the cube of the edge of the cube 144 = (k* w^1/3)^3 = k^3 w That is all I can do with the information given.
Monday, January 21, 2008 at 4:49pm by Damon

Math
If a cube has one edge of 2m, what is the surface area of this cube?
Monday, January 17, 2011 at 8:32pm by dave

physics
in a reference frame s, the volume of a cube is 1000cc.find the volume of the cube in a reference s'.which is moving paralell to the edge of the cube with a velocity 80%of that of light
Saturday, November 26, 2011 at 12:49am by biniya

Geometry
A cube has edge lengths of 6 inches. What is the approximate length of a diagonal "d" of the cube? A)6 in. B)8.4 in. C)10.4 in. D)12 in.
Saturday, April 16, 2011 at 9:57pm by Sergio

algebra
A cube measuring 6.7 cm along each edge has a mass of 78g. Find the density of the cube.
Thursday, October 14, 2010 at 1:08pm by Matt

pre-calculus
Say the radius of the sphere is r. The sphere touches both sides of the cube, so the distance between two faces of the cube is 2r. But that also equals one edge, so one side of the cube has area 2r x 2r = 4r². But a cube has six such sides...
Monday, September 1, 2008 at 1:56pm by David Q

algebra
What is the maximum number of cubes measuring 5cm on an edge that can be obtained by cutting a solid cube that measures 1 m on an edge?
Sunday, March 20, 2011 at 4:59pm by joe

Physics
A charge q=3*10^-6coulumb is placed at the centre of a cube of edge L.Determine the electric flux through each of the cube faces.
Thursday, April 8, 2010 at 7:44am by Ayodele

math grade 10
A cube has a volume of 1280 cubic feet. Determine the edge length of the cube as a radical in simplest form.
Wednesday, September 26, 2012 at 6:46pm by Slarlett

Math
Hello ma’am sir.. I have a problem in my assignment.. I‘m now a college student…a first year student…this is my question..please help me.. I really need it now… 1. The diameter of the earth is 7920 miles, and that of the moon is 2160 miles. Compare ...
Thursday, May 6, 2010 at 8:12am by Mr. J

Math
The surface area of a cube is 150cm squared. The area of one face of the cube is 25cm squared. What is the length of one edge of the cube?
Wednesday, November 28, 2012 at 12:48pm by Cherie

math
If a cube is built from an one inch cubes and if each new cube has an edge N times as long as the previous model what would be true of consecutive surface areas
Thursday, March 31, 2011 at 8:18pm by Cheyenne

Physics
The 3.80 kg cube in Fig. 15-45 has edge lengths d = 5.50 cm and is mounted on an axle through its center. A spring (k = 1300 N/m) connects the cube's upper corner to a rigid wall. Initially the spring is at its rest length. If the cube is rotated 2.00° and released, ...
Friday, March 16, 2012 at 3:10am by Anna

math
a cube has an edge length of x cm write an equation for the volume v of the cube in term of x . if the length of each edge were doubled how would the volume change if the length were tripled how would volume x³ i mean the equation would be v=x³
Sunday, January 21, 2007 at 2:17pm by margaret

math
An edge of a cube is increased by 10%. Find the percent by which the surface area o fa cube has increased?
Sunday, February 19, 2012 at 12:20am by Swati

geometry
A cylinder is inscribed in a cube. If the edge of the cube is 3" long, find the volume of the cylinder.
Tuesday, June 14, 2011 at 6:05pm by Anonymous

math
a cube has an edge length of 12cm faces of large cube are painted how many are painted on 3,2,1 and how many are unpainted This makes absolutely no sense to me. Sorry.
Sunday, January 21, 2007 at 1:57pm by margaret

algebra
Ice (at 0 degrees celsius) has a density of 922 kg per meter cubed. If the edge of a cube of ice is 4 cm, what is the mass of the cube?
Friday, January 23, 2009 at 1:24am by Sammantha

Algebra & Trigonometry
A slice of thickness 1 cm is cut off from one side of a cube. If the volume of the remaining figure is 180 cubic centimeter, how ling is the edge of the original cube
Sunday, September 25, 2011 at 5:35pm by Ruth Joy

gr 7 math
This cube has five cubes along each edge. The faces are covered, but the cube is hollow inside. Can it be divided into two pieces of equal volume? Explain. I am not sure what this question is asking?
Wednesday, April 2, 2008 at 4:49pm by david

math
andy is wrapping a present to give to his mother which is in the shape of a cube.each edge of the cube measures 12 inches. how much wrapping paper does he need.
Tuesday, March 6, 2012 at 11:46pm by mom

chemistry
one edge of a cube is measured and found to be 2.162 cm. An atom of copper is 0.2560 nm in diameter. how many atoms of copper are contained in the cube.
Saturday, January 21, 2012 at 3:48pm by kylie

calculus
The volume of a melting cube is decreasing at a rate of 10cm^3/min. How fast is the surface area of the ice cube decreasing when the length of an edge is 30 cm?
Thursday, October 28, 2010 at 11:16pm by john

Chemistry
The density of aluminum is 2.70g/cm3. If a cube of aluminum weighs 13.5 grams whatis the length of the edge of the cube. I need help with the formula to figure this one out.
Wednesday, June 1, 2011 at 5:36pm by Jessica

math-need help
A right rectangular tank with a 12 unit by 8 unit base is filled with water to a depth of 5 units. The water rises 1.5 units when a solid cube is completely submerged in the tank. In simplest radical form, the edge of the cube is k*cube root of w units. Find the value of k ...
Monday, January 21, 2008 at 4:49pm by jujube

maths
a cube of edge 10cm is completly inversed in a rectangular trough truck with height 40cm breadth 25cm containing water to a height of 30cm . what will be the height after the immersion of the cube ????
Monday, November 19, 2012 at 10:48am by tuhituhi

geometry
maria wants to cover a wooden cube with carpeting on 4 of its faces. if the cube has an edge of 2ft, how much surface area will maria have to cover?
Thursday, February 9, 2012 at 9:37am by india

Calculus
the edge of a cube was found to be 18 inches with a possible measurement error of 0.1 find the max possible error in calculating the surface area of the cube
Wednesday, April 18, 2012 at 11:35am by angie

college algebra
a cub measures n inches on each edge. If a slice 1 inch thick is cut from one face of the cube and then a slice 3 inches thick is cut from another face of the cube, the resulting solid has a volume of 1560 cubic inches. Find the dimensions of the original cube.
Monday, April 16, 2012 at 2:45pm by Missy

geometry
if the length of each edge in a cube is increased by the same percent and the result was a cube that had 25% more volume than it originally had, by what percentage were the edges increased
Wednesday, September 19, 2012 at 8:31pm by emily

Calculus
At a certain instant, each edge of a cube is 5 inches long and the volume is increasing at the rate of 2 cubic inches per minute. How fast is the surface area of the cube increasing?
Wednesday, January 30, 2013 at 4:37pm by Fall

Physics
Figure below shows a closed Gaussian surface in the shape of a cube of edge length l. It lies in a region where the electric field is given by = (ax + a) + b + c. What is the net charge contained by the cube in terms of the given variables? Use ε0 if necessary.
Sunday, January 23, 2011 at 5:04pm by Antoine

Algebra. 1
For a snow sculpture content, snow is packed into a cube-shaped box with an edge of 8 feet. The box is frozen and removed, leaving a cube of snow. One cubic foot of snow weighs about 30 pounds. You can estimate the weight ( in pounds) of the cube using the expression 30v where...
Thursday, August 23, 2007 at 8:47pm by Michael

Bio
Please Check my work and help me to answer the questions i could not get. Measure the cube that you are given. Complete the chart on the next page for your cube, then fill in the spaces for two other cubes, one measuring 1 cm on an edge and the other measuring 0.5 cm on a side...
Saturday, November 29, 2008 at 12:59pm by Anonymous

Science
Michael dropped a 1 inch cube of wood and a 1 inch cube of laed into an aquarium filled with water.The cube of wood floated and the cube of lead sunk quicklu to the bottom. The cube wood floated because it A.is less dense than the cube of lead B.weighs more than the cube of ...
Tuesday, April 17, 2012 at 5:09pm by Aizon

Science
Sarah heated two cubes of aluminum to 50 degrees celsius. Cube B has a volume of two cubic centimeters. If the cubes do not touch each other, which of these statements is true? A. Cube A has a higher temperature than cube B. B. Cube B has a higher temperature than cube A C. ...
Tuesday, February 5, 2013 at 8:35pm by Sabrina

Math
The entire surface of a solid cube with a length of 6 inches is painted. The cube is then cut into cubes each with edge of length 1 inch. How many smaller cubes are there? How many of the smaller cubes have paint on exactly 1 face?
Tuesday, September 21, 2010 at 8:07pm by Jackie

math
faces of alarge cube are painted 864 are painted on one face what is the length edge of large cube how many are unpainted how many are painted on two faces and three faces See my response to your previous question. Use that information for this problem. I hope this helps. ...
Sunday, January 21, 2007 at 2:08pm by margaret

math
OK, I am back from the statistics Now say we have two cubes one is 1 cm on every edge so its volume is 1*1*1 = 1 cm^3 Now another cube (same shape of course) But it is 2 cm on an edge so its volume is 2 * 2 * 2 = 8 cm^3 see what happened?
Sunday, December 14, 2008 at 2:15pm by Damon

Physics
An aluminum cube that has an edge length of 7 cm. is placed in a beaker of water that is filled to the brim. As a result the water overflows. what volume of water overflows when the aluminum cube is submerged in the water?
Sunday, July 3, 2011 at 5:26pm by Lori

geometry
well, I can make a square face 3 on an edge with 9 cubes but I have some trouble with 8. I could make a cube with 8 cubes though. I could also make a square frame with 4 on an edge with 16 cubes
Friday, March 2, 2012 at 2:25pm by Damon

Calculus
If the volume of a cube is increasing at 24 in^3/min and the surface area of the cube is increasing at 12 in^2/min, what is the length of each edge of the cube? I know that dV/dt=24 and ds/ds=12. I also know that Volume=s^3 and Surface Area=6*s^2, but what do I do from there?
Tuesday, December 7, 2010 at 8:40pm by Anna

maths
pass a plane through a cube of edge 8 inches so that the section formed will be a regular hexagon. through each side of the hexagon pass two planes , one plane containing one of the two vertices of the cube which are farthest away from the plane of the hexagon, the other plane...
Wednesday, January 2, 2013 at 10:23am by hermando

math
Then what if the second cube were 3 cm on every edge? volume = 3 * 3 * 3 = 3^3
Sunday, December 14, 2008 at 2:15pm by Damon

Math
Help to solve problem A cube has an edge length of d. Point C is at the center of the top face of the cube. express the length of the path from vertez to vertex B to the center point C in terms of d. Use the idea that the square root of (N X N). Estimate any numerical square ...
Thursday, May 12, 2011 at 11:36pm by Ale

Math
How do I find the volume of a sphere inscribed in a cube with each edge 4 cm
Saturday, March 20, 2010 at 7:06pm by Anonymous

math
a large cube is built from centimeter cube. faces of large cube are painted 1000 are unpainted what is the edge length ,how many are painted on one face two face and three faces If 1000 are unpainted, that must mean that the inner dimensions are 10x10x10. To have those ...
Sunday, January 21, 2007 at 2:02pm by margaret

geometry
How many liters are contained in a cube with each edge 1 m? a. 0.01 b. 10 c. 100 d. 1,000
Thursday, October 29, 2009 at 12:06am by Aleah

chem
find the density of a cube if it has a mass of 2 grams and has a length of i centimeter on each edge/
Friday, January 9, 2009 at 11:09am by tonya

Math
Need some help with this problem. If you have a cube that is made up of 27 individual cubes. The entire cube has 3 length, 3 width, and 3 height if you take one cube away from each of the 8 vertices, what is the surface area of the cube? thanks
Tuesday, December 11, 2012 at 4:20pm by Brandi

science
X needs to find the density of a cube. Each side of the cube measures 3 cm and the mass of the cube is 12 g. What is the approximate density of the cube.
Thursday, October 11, 2012 at 10:13pm by jim

geometry
a bug lives on a corner of a cube and is allowed to travel only on the edge of the cube. in how many ways can bug visit each other of the other seven corners once and only once, returning to its home corner only at the end of the trips?
Sunday, June 13, 2010 at 9:47pm by bob

chemistry
what volume of water at 4 degrees Celsius can be held in a cube whose edge is 3.0cm long?
Tuesday, February 1, 2011 at 5:09pm by the yavull

Materials Science
A cube of aluminum contains 10^21 atoms. how long is its edge(in mm)?
Sunday, January 17, 2010 at 10:53pm by Kathryn

Pre-Cal
a red number cube and a white number cube are rolled. Find the probability that the red number cube shows a 2, given that the sum showing on the two number cubes is less than or equal to 5. My work: (red cube = [1,2,3,4] white cube = [4,3,2,1] Probability of a 2 on the red ...
Saturday, January 3, 2009 at 4:06pm by Lucy

Chemistry
An estimation of the radius of a lead atom: a. You are given a cube of lead that is 1.000 em on each side. The density of lead is 11.35 g/cm3. How many atoms of lead are contained in the sample. b. Atoms are spherical; therefore, the lead atoms in this sample cannot fill all ...
Sunday, November 13, 2011 at 8:57pm by Arnol

Math
A pyramid is inscribed in a cube whose volume is 52(pi) cm^3. The volume of a sphere is equal to the volume of this pyramid. Find the volume of a second cube whose edge is equal to the radius of the sphere.
Tuesday, May 31, 2011 at 12:58am by Joe

Math
A pyramid is inscribed in a cube whose volume is 52pi cm^3. The volume of a sphere is equal tpo the volume of this pyramid. Find the volume of a second cube whose edge is equal to the radius of the sphere.
Monday, May 30, 2011 at 10:33am by Eli

math
This cube has five cubes along each edge. The faces are covered, but the cube is hollow inside. Can it be divided into two pieces of equal volume? Explain. I am not sure what this question is asking? Does this look right? l x w x h= 5x5x5=125 125/2=62.5 Both sides have 62.5, ...
Wednesday, April 2, 2008 at 7:53pm by david

algebra
the cube root of the volume of a cube gives the length of one side of the cube. volume=343cm cubed a. find the side length of the cube shown b. find the area of each face of the cube i have no idea how to do this!
Sunday, September 7, 2008 at 11:07pm by amanda

mathematics
Drawing a picture helps. In a 3x3 side of a cube there is 1 interior square, all the rest are edge pieces. Since there are 6 sides to a cube y for a 3x3 = 6 In a 4x4 there are 4 interior squares. In a 5x5 there are 9 interior squares. In a 6x6 there are 16 interior squares. ...
Wednesday, February 4, 2009 at 7:34pm by economyst

physics
The volume of a neutron is about 10−45 cubic meters. Suppose you packed the number of neutrons you found for problem 4 into a cube so that the neutrons touched edge to edge. How big would the cube be? (Hint: Problem 4 states that a neutron star has a mass of 3.4&...
Sunday, November 27, 2011 at 10:17pm by Anonymous

Algebra 1
The cube root of the volume of a cube gives the length of one side of the cube . Volume:343 cm^3. A:Find the side length of the cube shown . B:Find the area of each face of the cube.
Saturday, September 4, 2010 at 10:57pm by Gaby

physics
A wooden cube with a specific gravity of 0.90 and side length 0.120 m is placed into a bucket of water and floats upright with its sides in a horizontal or vertical orientation. What is the mass of the cube, what is the buoyancy force acting on the cube and how much of the ...
Tuesday, May 1, 2012 at 10:35am by Anonymous

working with data
We know what one cube is, so the other cube is what matters the second cube has 6 possible outcomes 1 2 3 4 5 6 If that result on the second cube is 2 3 4 5 or 6 , we win so 5 good results out of 6 equally likely outcomes. 5/6 = .83
Saturday, February 23, 2008 at 6:44pm by Damon

algebra
Your friend has a cube of gold. You have a cube of gold that weighs twice as much. Your cube is 1.26as long as your friends, and it has 1.587 times the surface area. You can imagine how this would work with a spherical diamond, so we won't repeat that part here. Here is ...
Friday, October 8, 2010 at 10:55pm by chris

science
Tyler put a cube of blue closed-cell foam in a syringe and clamped the end shut.When he pushed the plunger down the cube get smaller. What happened to the particles outside the cube? What happened to the particles inside the cube?
Sunday, January 23, 2011 at 8:01pm by callie

Chemistry
You have a cube with a side measurement of 3cm. The mass of the cube is 78g. What is the density of the cube?
Sunday, October 16, 2011 at 8:12pm by Mia

chemistry
A CUBIC PIECE OF METER MEASURES 3.00CM ON EACH EDGE. IF THE METAL IS NICKLE WHOSE DENSITY IS 8.90G/CM^3.WHAT IS THE MASS OF CUBE
Saturday, August 18, 2012 at 10:15am by kem

chemistry
volume of cube = edge^3 = 3^3 = ? cc. Then mass = volume x density.
Saturday, August 18, 2012 at 10:15am by DrBob222

Geometry
If the edge of a cube is doubled, the volume is?... a. half as much, b. doubled, c. quadrupled, d. none of these
Wednesday, February 24, 2010 at 2:09pm by Nicole

math
How many liters are contained in a cube with each edge 1m? HOW do you do this? How do I know how many liters fits into a meter?
Wednesday, December 16, 2009 at 9:33pm by Lauren

Calculus
An ice cube is melting such that the side of the cube is decreasing at the rate of 1/4 t^2 cm / min. It is given that the side of the cube is 8cm at the start of the experiment. Calculate the length of the side of the cube when t = 4? ( answer 2 2/3 cm)
Saturday, October 22, 2011 at 7:13pm by Kelvin

science
You freeze 92g of water, and it becomes a cube of ice. a. What is the mass of the ice cube? b. The cube's volume os 100cm3. What is it's density? c. Will the ice cube float or sink in water?
Friday, December 7, 2012 at 11:35am by Max

math
a cube with 2 in sides is placed on a cube with 3 in sides. then a cube with 1 in sides is placed on the 2 in cube. what is the surface area of the three cube tower?
Thursday, March 21, 2013 at 5:22pm by j

Geometry
If the edge of a cube is doubled, the volume is A. one-half as much b. doubled c. quadrupled d. none of these
Wednesday, June 9, 2010 at 10:14pm by Felicia

7th grade
Given a cube of density 8900kg/m3 and length side 10cm A-what is the nature of his cube? B-find the mass of the above cube? C-find the relative density of the cube? D-using gravity 10N/kg find its weight?
Tuesday, December 14, 2010 at 10:51am by Anonymous

algebra
Given a cube with volume 30 cubic centimeters, find the number of centimeters in the length of an edge.
Tuesday, February 8, 2011 at 7:37pm by Mike

Math
What volume of wood remains if a 2-cm hole is bored out of a cube with edge lengths of 4 cm?
Sunday, February 7, 2010 at 2:16pm by Crystal

Chemistry
Very small crystals composed of 1000 to 100,000 atoms, called quantum dots, are being investigated for use in electronic devices. (a) Calculate the mass in grams of a quantum dot consisting of 1.400 104 atoms of silicon. (b) Assuming that the silicon in the dot has a density ...
Tuesday, June 1, 2010 at 1:48am by Anita

Physics
The diagram below shows a large cube of mass 25 kg being accelerated across a frictionless level floor by a horizontal force, F. A small cube of mass 4.0 kg is in contact with the front surface of the cube. The coefficient of static friction between the cubes is 0.71. What is ...
Thursday, November 15, 2012 at 10:13pm by Bob

Math
A cylindrical can with both a top and bottom has the same surface area as a cube with edge 50mm. The height of the can if 6cm. Find the radius of the can to the nearest thousandth.
Monday, September 3, 2012 at 9:33pm by KC

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