Thursday

September 29, 2016
Number of results: 18,392

**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*

**Math**

A solid sphere just fits inside a cube that has an edge length equal to the diameter of the sphere. The edge length of the cube is 5.8 cm. What is the volume of air in the cube to the nearest cubic centimetre?

*October 25, 2014 by Anonymous*

**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*

**maths**

A solid cube with an edge 10 cm is melted to from two equal cubes. Find the ratio of the edge of the smaller cube to the edge of the bigger cube ?

*January 11, 2015 by dk*

**maths**

A solid cube with an edge 10 cm is melted to from two equal cubes. Find the ratio of the edge of the smaller cube to the edge of the bigger cube ?

*January 12, 2015 by dk*

**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*

**math**

The volume of cube I is 331 m^3 less than the volume of cube II. If an edge of cube I is 10 meters, an edge of cube II is A. 14 meters B. 13 meters C. 12 meters D. 11 meters

*August 15, 2014 by Troy*

**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*

**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*

**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*

**math**

how much greater is the volume of a cube whose edge is 5 inches than the volume of a cube whose edge is 4 inches?

*October 11, 2014 by Shohanur*

**calculus**

The edge of a cube office is decreasing at a constant rate of two cm per seconds .find the rate of change of its volume at that instant when the volume is 64m cube

*November 2, 2015 by angela*

**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*

**Math**

A gift is shaped like a cube has an edge length of 5 3/4 inches . What is the volume of the cube

*April 28, 2016 by Destiney *

**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**

Related rates: The volume of a cube is increasing at the rate of 40 mm^3/s. How fast is the surface area of the cube increasing when each edge is 10 mm?

*June 23, 2016 by anonymous*

**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 *

**Algebra 1**

a cylinder with radius r and height 2r + 4 contains a cube with edge length r√(2), as shown. what fraction of the cylinder's volume is taken up by the cube (in simplified form)

*May 26, 2015 by Casper*

**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*

**solid mensuration**

A pyramid V-ABCD is cut from a cube of edge 12 in.,as shown in the figure. The vertex V is the midpoint of an upper edge of the cube. Compute the lateral surface of the pyramid.

*February 8, 2015 by Rosebymae*

**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**

The ratio of the sides of 2 similar cube dis 3:4 the smaller cube has a volume of 729 Wat is the volume of the larger cube

*April 25, 2016 by Gul*

**Math**

How do I find the volume of a sphere inscribed in a cube with each edge 4 cm

*March 20, 2010 by Anonymous*

**Math**

What is the polynomial that will represent the volume of a cube whose edge is 2x+7?

*September 7, 2016 by Jayson*

**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*

**Math :) **

Since the purpose of an ice cube is to keep a drink cold, is it better for an ice cube to have a high volume or a low volume? I thought that the higher the volume, the longer the amount of time the ice cube does NOT melt. Which one is best? Thank you. :)

*April 10, 2016 by Mariana W. *

**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*

**math**

A cube with an edge length of 4 in is painted on all its sides. Then the cube is cut into 64 cubes with an edge length of 1 in. What percent of the total surface area is painted?

*September 24, 2014 by lacy*

**Math help**

How would I find the volume of a cube with edge lemgth of 3sqrt2 cm?

*April 28, 2015 by Anonymous *

**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**

A cube of density 12kg/m cubed is placed in a Eureka tub and releases 0.40m cubed of water. A) What is the edge length of the cube? B) What is the mass of the cube?

*November 23, 2015 by bob*

**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*

**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*

**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*

**Maths**

A hollow cube of internal edge is 22cm is filled with spherical marbles of diameter 0.5cm and it is assumed that 1/8 space of the cube remain unfilled.Then the number of marbles that the cube can accomodate is?

*February 8, 2016 by Princ*

**mah**

the edges of a cubical frame are made from plastic straws. how much longer is the total length of the plastic edges of a cube whose edge is 10cm compared to a cube whose edge is 18cm?

*September 15, 2016 by Arvee*

**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*

**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*

**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*

**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**

calculate the volume of the solid when the composite of a cube of edge is 28cm and the square -based pyramid of it height is 16cm

*April 18, 2016 by samuel*

**Math **

I am doing a project, are my answers correct? 1. Find and simplify the volume-to-surface-area ratio for each of the three possible ice cube shapes. You can use this chart. |Shape| S/A Formula|Volume Formula Cube | S.A=6s^2 | V=s^3 6/s Sphere|S.A+4 pi r^2|V=4/3 pi r^3 3/r ...

*March 4, 2016 by Alexia Smith*

**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*

**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*

**Math **

a. Since the purpose of an ice cube is to keep a drink cold, is it better for an ice cube to have a high volume or a low volume? I think it would better for a cube to have a high volume. Can you please check am i correct if Im not can you explain.

*April 13, 2016 by Anastasia *

**Math**

The edge of a cube was found to have a length of 50 cm with a possible error in measurement of 0.1 cm. Based on the measurement, you determine that the volume is 125,000 cm3. Use tangent line approximation to estimate the percentage error in volume.

*December 29, 2014 by Mimi*

**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*

**math**

Raj builds a side table in the shape of a cube. Each edge of the cube measures 20 inches. Raj wants to cover the top and four sides of the table with ceramic tiles. Each tile has an edge length of 5 inches. How many tiles will he need? THANK YOU!

*April 23, 2015 by kyle*

**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 *

**geometry**

A cube has edge lengths of 4 inches. What is the approximate length of a diagonal "d" of the cube?

*January 22, 2016 by jackie*

**Math**

A cube has edge lengths of 5cm each. The cube weighs 0.54 kg. What is its specific weight

*September 4, 2016 by Mike*

**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**

At 20°C, a brass cube has an edge length of 34 cm. What is the increase in the cube's surface area when it is heated from 20°C to 67°C?

*March 5, 2016 by Jim*

**physics**

At 20°C, a brass cube has an edge length of 34 cm. What is the increase in the cube's surface area when it is heated from 20°C to 67°C?

*March 6, 2016 by Jim*

**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*

**Calculas**

consider a cube with side length x cm. what is the volume of the cube? what is the surface area of the cube? The material to make the base costs $5/m^2 while it costs $3/m^2 to make the rest of the cube. Write an expression for the cost of material for the whole cube.

*April 23, 2016 by Lexci *

**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**

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*

**Math**

If a cube has one edge of 2m, what is the surface area of this cube?

*January 17, 2011 by dave*

**maths**

If six cube are arranged edge to edge having radius 10 then it's surface area is ------

*January 23, 2015 by sanjay*

**Math, Please check answers**

I do not want to fail this, could you please help me with number 1 and 3.D, and then check my other answers? Thank you. 1. Find and simplify the volume-to-surface-area ratio for each of the three possible ice cube shapes. You can use this chart. |Shape| S/A Formula|Volume ...

*March 3, 2016 by Alexia Smith*

**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*

**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**

1) A cube has a side length of 7 in. What is the volume of the cube? MY ANSWER:21 2) A cube has a side length of 14 meters. What is the volume of the cube? A. 2744 m3 B. 1176 m3 C. 168 m3 D. 42 m3 MY ANSWER: D

*May 31, 2016 by Rochelle*

**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*

**eastlake emelentary **

the formal for the volume of a cube is V=e to the third power where e is the length of a side of the cube. find the volume of a cube with side length of 6cm.

*August 20, 2014 by Angela*