Wednesday

July 23, 2014

July 23, 2014

Number of results: 14,236

**Geometry**

If the edge of a cube is doubled, the volume is?... a. half as much, b. doubled, c. quadrupled, d. none of these
*February 24, 2010 by Nicole*

**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
*June 9, 2010 by Felicia*

**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...
*August 23, 2006 by Jenna*

**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
*January 21, 2007 by margaret*

**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.
*June 4, 2012 by 大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 ...
*October 16, 2011 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 ...
*October 16, 2011 by Miranda*

**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...
*March 30, 2013 by em*

**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.
*January 29, 2013 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 386cm^3. Find the edge of the smaller cube.
*February 27, 2014 by rosa*

**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...
*September 24, 2011 by Laurel*

**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.
*February 27, 2011 by K.S.*

**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
*November 26, 2011 by biniya*

**Math**

The surface area of a particular cube is 600 square inches. When the edges of the cube are doubled in length, what is the volume of the new cube, in cubic inches?
*March 15, 2011 by ABC123DoReMi*

**Geometry **

A rectangular prism has a base that is 5 cm by 7 cm and a height of 12 cm. If all dimensions are doubled, what happens to the volume? A. When the dimensions are doubled, the volume is twice the original volume. B. When the dimensions are doubled, the volume is three times the ...
*March 2, 2014 by anon*

**Physics**

As you know, a cube with each side 4 m in length has a volume of 64 m3. Each side of the cube is now doubled in length. What is the ratio of the new volume to the old volume? Why is this ratio not simply 2? Include a sketch with dimensions.
*December 8, 2010 by Coty*

**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
*February 10, 2011 by crystal*

**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...
*November 28, 2008 by Anonymous*

**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...
*November 29, 2008 by Anonymous*

**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?
*November 12, 2008 by vivi*

**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 )
*October 26, 2010 by rachel*

**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...
*January 31, 2007 by jena*

**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.
*September 26, 2012 by Slarlett*

**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.
*May 30, 2011 by Eli*

**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
*September 25, 2011 by Ruth Joy*

**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.
*May 31, 2011 by Joe*

**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...
*March 20, 2011 by Ana*

**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?
*April 2, 2008 by david*

**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?
*October 28, 2010 by john*

**Calculus **

If each edge of a cube is increasing at the constant rate of 3 cm per sec how fast is the volume increasing when X, the length of an edge, is 10 cm long?
*November 8, 2013 by Taylor *

**geometry**

A cylinder is inscribed in a cube. If the edge of the cube is 3" long, find the volume of the cylinder.
*June 14, 2011 by Anonymous*

**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?
*December 7, 2010 by Anna*

**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 3.4×1030 kg ...
*November 27, 2011 by Anonymous*

**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, ...
*April 2, 2008 by david*

**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
*September 19, 2012 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?
*January 30, 2013 by Fall*

**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!
*September 7, 2008 by amanda*

**Math**

How do I find the volume of a sphere inscribed in a cube with each edge 4 cm
*March 20, 2010 by Anonymous*

**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.
*April 16, 2012 by Missy*

**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.
*September 4, 2010 by Gaby*

**physics**

12 wires each of resistance 'r' ohm are connected to form a cube. Find the resistance if current enters through one edge and leaves through other corner of the same edge of the cube
*May 26, 2014 by jahanvi*

**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...
*May 21, 2007 by SraJMcGinn*

**Calculus **

The edge of a cube is increasing at a rate of 2 inches per minute. At the instant when the volume is 27 cubic inches, how fast is the volume changing? indicate the units of measure. V=x^3
*March 9, 2010 by Cassy *

**pre-calculus**

Express the edge length of a cube as a function of the cube's diagonal length d. Then express the surface area and volume of the cube as a function of the diagonal length.
*January 12, 2014 by Christy*

**Math**

What volume of wood remains if a 2-cm hole is bored out of a cube with edge lengths of 4 cm?
*February 7, 2010 by Crystal*

**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...
*August 23, 2007 by Michael*

**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 ...
*April 17, 2012 by Aizon*

**Geometry PLEASE HELP**

1. If the surface area of a cube is 294 inches squared, find the volume. 2. If the base of a prism is an equilateral triangle with sides 8cm, and each lateral edge measures 10cm, what is the volume of the prism.
*March 3, 2013 by Gigi*

**chemistry **

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

**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. ...
*February 5, 2013 by Sabrina*

**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 ...
*November 13, 2011 by Arnol*

**geometry**

Side of cube=6cm Sphere is placed in cube.Calculate volume of cube.Calculate volume of sphere.What percentage of the space in the cube does the sphere occupy?
*February 16, 2011 by reshma*

**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?
*July 3, 2011 by Lori*

**CHemistry....Please help...DrBobb**

I posted this up yesterday: I have to use the equation : density= mass/ volume: But i dont know how to find out the volume using the edge length of the unit cell which is 5.88* 10^2 pm. CHemistry....Please help - DrBob222, Sunday, January 25, 2009 at 10:41pm If the edge length...
*January 26, 2009 by Saira*

**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 their volumes. 2. A pyramid ...
*May 6, 2010 by Mr. J*

**calculus**

can someone check these for me: 18. All edges of a cube are expanding at a rate of 6 cm per second. How fast is the volume changing when each edge is a) 2 cm and b) 10 cm. a)72 cm^3/sec b)1800 cm^3/sec 20. The formula for the volume of a cone is v=(1/3)(pi)(r^2)h. Find the ...
*October 5, 2010 by Anna*

**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.
*April 16, 2011 by Sergio *

**algebra**

A cube measuring 6.7 cm along each edge has a mass of 78g. Find the density of the cube.
*October 14, 2010 by Matt*

**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, what is ...
*March 16, 2012 by Anna*

**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, what is ...
*March 16, 2012 by Anna*

**bio**

How does the surface area-to-volume ratio of a 1-mm cube compare to the surface area-to- volume ratio of a 3-mm cube? 1. The ratio does not change. 2. The ratio increases as the cube becomes larger. 3. Increasing the volume increases the ra- tio. 4. The 3 mm cube has a higher ...
*February 19, 2012 by anmol*

**Math**

If a cube has one edge of 2m, what is the surface area of this cube?
*January 17, 2011 by dave*

**physics**

A solid disc with radius R is is spinning. An object exerts a force F at the edge of the disc to slow down the disc. The disc slows down to rest in 2.0 seconds. How long would the disc take to stop if: the mass of the disc doubled in s the radius of the disc doubled in s the ...
*October 21, 2010 by ashley*

**physics**

The mass of a solid cube is 1200 g, and each edge has a length of 4.15 cm. Find the density of the cube. Answer in units of kg/m^3
*August 25, 2013 by Sid*

**Math **

A cube has a surface area of 24 ft2. What is the length of one edge of the cube? Show Work Please.
*June 1, 2014 by Carl*

**Chemistry**

How will the volume of a fixed sample of gas change if its pressure is doubled and the Kelvin temperature is doubled? a)the change cannot be determined without more specific information b)it will decrease by a factor of 2 c)it will increase by a factor of 4 d)no change e)it ...
*November 6, 2009 by Shawn G.*

**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.
*April 8, 2010 by Ayodele*

**Math**

By what factor should each edge of a cube be increased in order to increase its volume by a factor of 27? a.) 27 b.) 9 c.) 3 d.) 2
*April 23, 2012 by Taylor*

**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?
*March 20, 2011 by joe*

**algabra**

cubes 1 and 2 are similar if the volume of cube 2 is 45 and the scale factor between sides of the two is 2:3 what is the volume of cube 1?
*October 20, 2011 by nicholas *

**geometry**

Find the similarity ratio of a cube with a volume 512 m3 to a cube with volume 3,375 m3 how would you do this problem
*January 12, 2012 by ryan*

**algebra**

Given a cube with volume 30 cubic centimeters, find the number of centimeters in the length of an edge.
*February 8, 2011 by Mike*

**Math**

The side length,s, of a cube is related to its volume, v, by the formula s=v^1/3. A cube box when filled with materials has a volume of 729 cm2. What is the side lenth of the cube box used? Please help me step by step with this. I don't know where to start :(
*November 18, 2010 by Andre*

**Math**

The side length,s, of a cube is related to its volume, v, by the formula s=v^1/3. A cube box when filled with materials has a volume of 729 cm2. What is the side lenth of the cube box used? Please help me step by step with this. I don't know where to start :(
*November 20, 2010 by Andre*

**geometry**

Find the similarity ratio of a cube with a volume 512m^3 to a cube with volume 3,375m^3
*May 25, 2012 by kevin*

**geometry**

find the similarity ratio of a cube with volume 729 m^3 to a cube with volume 3,375 m^3?
*October 20, 2012 by Anonymous*

**CHEM******

Initial info: The atoms of crystalline solid pack together into a three-dimensional array of many small repeating units called unit cells. The simplest of the unit cells are those that have cubic symmetry, with atoms positioned at the corners of a cube. Atoms can also be found...
*November 30, 2007 by K*

**9th algebra**

You store square notepaper in cube-shaped box with an inside edge length of 3 inches. What is the volume of the box?
*January 11, 2011 by Breanna*

**Geometry**

The ratio of the volume of cube A to the volume of cube B is 64 to 27. Use this information to determine the ratio of the length of a side of Cube A to the length of a side of cube B.
*April 26, 2011 by Nicole G.*

**math**

volume is determined by the following formula Vs*3 represent the volume of the cube above in expanded form right side 3cm Evaluate to find the voume of the cube show work
*April 24, 2014 by Mia*

**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
*March 31, 2011 by Cheyenne*

**Math (geometry)**

A diagonal of one cube is 2 cm. A diagonal of another cube is 4*sqrt3 cm. The larger cube has volume 64 cubic cm. Find the volume of the smaller cube. --------------------------------------------------------------------------------------------------- There was this theorem ...
*April 3, 2008 by Emily*

**science**

About a month ago I asked you a question and it was, A quantity of gas has a volume of 0.20 cubic meter and an absolute temperature of 333 degrees Kelvin. When the temperature of the gas is raised to 533 degrees Kelvin, what is the new volume of the gas? You told me how to ...
*August 17, 2005 by Mirayah Robinson*

**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?
*December 7, 2012 by Max*

**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?
*November 28, 2012 by Cherie*

**Math**

A builder wants to construct a cube-shaped diving pool with a water volume of 1800 cubic feet. . Approximate the edge length of the pool to the nearest foot
*September 19, 2013 by Alicia*

**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?
*January 23, 2009 by Sammantha*

**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.
*January 21, 2007 by margaret*

**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.
*January 21, 2012 by kylie*

**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.
*March 6, 2012 by mom*

**math**

An edge of a cube is increased by 10%. Find the percent by which the surface area o fa cube has increased?
*February 19, 2012 by Swati*

**Chemistry**

If the temperature of a confined gas is doubled at constant pressure, what change is observed? A) The volume of the gas is decreased to 1/4 of its original value. B) The volume of the gas is increased to twice its original value. C) The density of the gas is doubled. D) The ...
*March 29, 2010 by Allison*

**Shadow**

Write an equation to solve each problem. The sides of one cube are twice as long as the sides of a second cube. What is the side length of each cube if the total volume of the cubes is 72 cm^3? Would it be, 3x+6x=72? Thanks
*September 1, 2011 by Shadow*

**math**

The surface area of a cube with edge 2 is how many times the surface area of a cube with edge square root 2. A.square root 2 B.2 C.4 D.4 square root 2 E.8 please explain and show work.
*July 2, 2014 by Johnny *

**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.
*June 1, 2011 by Jessica *

**geometry**

45. Find the similarity ratio of a cube with a volume 512 m3 to a cube with volume 3,375 m3. (1 point) 8 : 15 64 : 225 15 : 8 225 : 64
*June 10, 2013 by Patrick*

**Math**

the cube has a volume of 8.If point x,the midpoint of AV is joined to point y, the midpoint of edge CD what is the length of the shortest distance from x to y?
*August 8, 2012 by Grace*

**calculus**

An ice cube is melting so that its edge length x is decreasing at the rate of 0.1 meters per second. How fast is the volume decreasing when x = 2 meters?
*October 5, 2010 by nesri*

**Geometry**

Find the similarity ratio of a cube with a volume 512 m3 to a cube with volume 3,375 m3. 8 : 15 64 : 225 15 : 8 225 : 64
*January 21, 2012 by Ash*

**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 ...
*June 1, 2010 by Anita*

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