Friday

August 29, 2014

August 29, 2014

Number of results: 100,943

**Word problem math**

Word problem. You cut a 2 m long board into 2 pieces . One piece is 10 cm shorter than the other. How long are each boards.? I got. 1 pc at 80!cm. the other 1pc at 100 cm Is this right ?
*October 14, 2012 by Marco*

**physics**

An object at rest explodes into three pieces of equal mass.One moves east at 20.0 m/s,a second moves southeast at 30.0 m/s. What is the velocity of the third piece? The vector sum of the momenta of the three pieces must be zero, since it was zero to begin with. The two pieces ...
*September 23, 2006 by miss sixty*

**Pre Algebra**

A wooden railing is 82 feet long. It is to be divided into 4 pieces. Three pieces will be the same length, and the fourth piece will be 2 feet longer than each of the other three. Find the length of each piece.
*February 18, 2013 by Ruth*

**Algebra**

Erin has three more dimes than nickles and twice as many quarters as dimes. she has a total of $5.05 How many of each type of coin does Erin have 5.05= 2q-d-3d-n A Piece of rope that is 63 meters long is cut into three pieces such that the second piece is twice as long as the ...
*March 5, 2014 by Chelsey*

**Physics - momentum**

a 1.20 kg gernade at rest on a smooth surface explodes into three pieces. one piece 0.50 kg travels horizontally north at 3.0 m/s and a 0.30 kg fragment travels horizoltally to the southwest at 4.0 m/s. assuming the third piece is also ejected along the horizontal plane, the ...
*June 24, 2012 by Anonymous*

**Physics**

A cannon shoots a shell straight up. It reaches its maximum height, 837 feet, and splits into two pieces, one weighing 2 lb and the other 5 lb. The two pieces are observed to strike the ground simultaneously. The 5 lb piece hits the ground 1,564 feet away from the explosion (...
*March 29, 2008 by Charlie*

**maths**

An iron rod when cut into pieces each of 30 cm length, a piece of 7 cm is left out. However, if each piece is of 28 cm length, a piece of 5 cm is left out. What is the length of the shortest such rod?
*March 26, 2013 by chandana*

**math**

If a board 4 ft.X 8 ft. was cut into 50 pieces, what size would each piece be?
*August 16, 2012 by Jan*

**physics **

an object was launched with the velocity of 20 m/s at an angle 45 degree to the vertical . at the top of its trajectory the object broke into two equal pieces.one piece fell vertically downward .where would the other piece fall?(g=10m/s^2)
*February 11, 2012 by ashely*

**Math**

Mark has a 40 foot length of rope he decides tocut it into two pieces. He wants one length four times as long as the other. How long is each piece?
*October 9, 2012 by Anonymous*

**Math**

If a 32 ft rope is cut into two sections with one section 7 times as long as the other section, how long is the shorter piece?
*November 30, 2012 by Chely*

**Math please help**

Two rectangular pieces of wood are similar. The ratio of the perimeters of the two pieces is 2 : 3. If the area of the smaller piece is 12 square inches, what is the area of the larger piece?
*October 21, 2013 by Anonymous *

**algebra**

a 23 foot cable is cut into two pieces, one three times as long as the other. how long are the pieces?
*October 4, 2010 by mike*

**math**

Yuri has a board that is 98 in. long. He wishes to cut the board into two pieces so that one piece will be 10 in. longer than the other. What should the length of each be Let the shorter board's length be x. The other will be x+10. x + x + 10 = 98 2x = 88 Solve that for x x+x+...
*March 17, 2007 by cheryl*

**Typing**

If you cut a letter-sized document into 4 equal pieces (4-up), what are the dimensions of each piece?
*March 14, 2011 by Alex*

**Mathematics**

A piece of string can be cut into equal lengths of 20cm, 24cm or 30cm long. find the length of the shortest piece of string for which this is possible. PLEASE SHOW WORKING
*September 30, 2009 by Ashley*

**Physics**

When a metal pipe is cut into two pieces, the lowest resonance frequency in one piece is 244Hz and that for the other is 454Hz. What resonant frequency would have been produced by the original length of pipe? (Assume the speed of sound in air is 345 m/s) b). How long was the ...
*November 30, 2012 by Ann*

**Physics**

A missile is shot straight up into the air. At the peak of its trajectory, it breaks up into three pieces of equal mass, all of which move horizontally away from the point of the explosion. one piece travels in a horizontal direction of 28degrees east of north with a speed of ...
*October 13, 2011 by Anonymous*

**physics**

A cherry bomb explodes into three pieces of equal mass. One piece has an initial velocity of 12m/sx^. Another piece has an initial velocity of 7.0m/sx^−5.0m/sy^. Part A What is the velocity of the third piece? Enter the x and y components of the velocity separated by a ...
*March 3, 2014 by bety*

**math**

Alog is cut into four pieces in 12 seconds. At the same rate, how long would it take to cut the log into five pieces? Hint the answer is not 15!
*December 3, 2009 by kathy*

**math (find height)**

A piece of construction paper is .01mm thick. It is cut in half and one piece is placed on top of the other to make a pile. These are cut in half, and all four pieces are placed in a pile. These four are cut in half and placed in a pile, and the process is continued. After the...
*September 22, 2007 by anonymous*

**physics**

An object was launched with a velocity of 20 ms−1 at an angle of 45° to the vertical. At the top of its trajectory the object broke into two equal pieces. One piece fell vertically downwards. Where would the other piece fall? (Take g = 10 ms−2) (
*March 15, 2012 by swapnali*

**physics**

An object was launched with a velocity of 20 ms−1 at an angle of 45° to the vertical. At the top of its trajectory the object broke into two equal pieces. One piece fell vertically downwards. Where would the other piece fall? (Take g = 10 ms−2)
*March 16, 2012 by swapnali*

**physics**

An object was launched with a velocity of 20 ms−1 at an angle of 45° to the vertical. At the top of its trajectory the object broke into two equal pieces. One piece fell vertically downwards. Where would the other piece fall? (Take g = 10 ms−2)
*March 20, 2012 by swapnali*

**math**

Charlotte divided a whole pizza into 4 pieces. one piece formed a straight angle. one piece formed a right angle. 2 pieces formed acute angles with the same degree. Draw the angles
*February 18, 2014 by tommi*

**Physics**

When a metal pipe is cut into two pieces, the lowest resonance frequency in one piece is 244Hz and that for the other is 454Hz. What resonant frequency would have been produced by the original length of pipe? (Assume the speed of sound in air is 345 m/s) ^ I already got the ...
*December 2, 2012 by Laura*

**MATH**

ken cuts a 10fo piece of wire, the first piece is three times longer then the second how long is each piece?
*March 25, 2011 by destinee*

**math**

In order for you to put down new sod in the front yard you will need 5400 pieces of sod. Each sod piece is cut into one foot squares. If your yard is 60ft wide , how long is the yard.?
*February 25, 2013 by kelly*

**MATHS**

Paul has 3 pieces of rope of length 36cm,40cm,and 48cm respectively. He needs to select 2 out of the 3 pieces and cut them into smaller pieces of equal length. What is the greatest possible length of each smaller piece if there is to be no wastage?
*April 2, 2012 by ssssss*

**Math**

A piece of metal is bent into a rectangle and has a length which is 5 times as long as its width. If the perimeter of the piece of metal is 13 feet 6 inches, find the length and the width of the piece of sheet metal. You must use a variable , write an equation and solve the ...
*May 16, 2008 by Jon*

**PHYSICS**

A ball of mass m at rest at the coordinate origin exploded into three equal pieces. At a certain instant, one piece is on the x-axis at x=40cm, and another is at x=20cm, y= -60 cm. Where is the third piece at that instant.
*April 8, 2010 by Student*

**English**

Posted by rfvv on Monday, October 4, 2010 at 2:24am. 1. Cut long rice cake into 4-5 cm pieces. (How do you read '4-5 cm'?) 1-1. four to five centimeter 1-2. four and five centimeter 1-3 four or five centimeter 1-4 from four to five centimeter (Which one is right? Do we have to...
*October 4, 2010 by rfvv*

**math**

Tony has a piece of wire 36 inches long.He bent it into a quadrilateral with sides of equal length and angles of equal measure. (Part A) Classify the quadrilateral.Give all the names that fit. (Part B) Justify your answer with evidence.
*September 21, 2011 by Johnny*

**math**

Tony has a piece of wire 36 inches long. He bent it into a quadrilateral with sides of equal length and angles of equal measure. (Part A) Classify the quadrilateral. Give all the names that fit. (Part B) Justify your answer with evidence.
*September 23, 2011 by Johnny*

**Math**

James has a square piece of paper. He wants to cut it into strips of equal width. He says, This piece of paper is about 48 cm wide. How can he find the width of each strip without measuring? Is this width accurate?
*May 28, 2014 by Question*

**math**

John wants to put a lace edge around a square piece of cloth. If the cloth is 4 inches wide on one side, how long of a piece of lace should Melina cut?
*February 5, 2012 by Kelsey*

**math**

nate cut a pie into 7 equal pieces. he gave one piece to his dad and three times as much to his brother Chris. what fraction of the pie was left?
*January 16, 2013 by lori*

**physics**

When a metal pipe (open at both ends) is cut into two pieces, the lowest resonance frequency in one piece is 273 Hz and that for the other is 401 Hz. What resonant frequency would have been produced by the original length of pipe?
*December 8, 2009 by Anonymous*

**Physics**

I understand the basics of the center of mass, but I'm having a hard time with this wire one: "A uniform piece of wire, 20 cm long, is bent in the center to give it an L-shape. How far from the bend is the center of mass?" If you could help that'd be great. Thank you!
*November 22, 2010 by Trisha*

**Math 2**

Issac has a piece of rope that is 5 yards long. Into how many 1/2 yard pieces of rope can Issac cut the rope? Please help answer thx
*May 13, 2014 by Jenny 2*

**math**

A log is cut into 4 pieces in 12 seconds. At the same rate how long would it take to cut the log into 5 pieces? HINT: the answer is not 15
*December 2, 2008 by Dezy*

**math **

63 inch pipe is cut in to two pieces. one piece is two times the length of the other. what is the length of the two pieces.
*July 22, 2013 by angi*

**physics**

A 120 kg mass is blown apart into an 80 kg piece and 40 kg piece. after the blast, the two masses are moving apart with a relative velocity of 60 m/s. the total kinetic energy after the explosion is: A. 21 kJ B. 35 kJ C. 48 kJ D. 56 kJ E. 82 kJ Because of momentum conservation...
*August 6, 2007 by mandy*

**algebra**

a 60 inch string is cut in 2 pieces, the first piece is 6" longer than twice the second piece, find th elength
*September 30, 2013 by Mayi*

**Probability**

A single dot is placed on a very long length of yarn at the textile mill. The yarn is then cut into pieces. The lengths of the different pieces are independent, and the length of each piece is distributed according to the same PDF fX(x). Let R be the length of the piece that ...
*May 1, 2014 by A*

**Physics**

A 6.2 kg model rocket is traveling horizontally and due south with a speed of 20.3 m/s when it explodes into two pieces. The velocity of one piece, with a mass of 1.6 kg, is v1 = (-12 m/s)i + (30 m/s)j + (15 m/s)k, with i pointing due east, j pointing due north, and k pointing...
*February 24, 2014 by Nat*

**math**

a piece of fabric is cut into 12 equal lengths with 3 inches left over. Define a variable, and write an expression for the length or the original piece.
*September 29, 2011 by pedro*

**English**

1. He is try to hit a piece of wood with an axe to cut it. (Is this correct?) 2. a piece of wood, two pieces of wood (Do we use these expressions? What about a wood, or two woods?)
*June 18, 2009 by John*

**Math**

Billy has a board that's six and 2/3 feet long. He cuts it into 12 equal pieces. How long is each piece?
*April 8, 2013 by Pierre*

**math**

A stick 35 inches long is to be cut so that one piece is 1/4 as long as the other. How many inches long must the shorter piece be? a. 5 b. 7 c. 10 d. 12 e. 15 please answer and explain
*April 27, 2014 by thomas *

**Math**

Sean has 25 feet of blue ribbon.If this ribbon is cut into 8 equal pieces, what will the length be for each piece?
*May 9, 2013 by Adaija*

**Physics**

A cannon shoots a shell straight up. It reaches its maximum height, 1,051 feet, and splits into two pieces, one weighing 2 lb and the other 4 lb. The two pieces are observed to strike the ground simultaneously. The 4 lb piece hist the ground 1,608 feet away from the explosion...
*March 29, 2008 by Charlie*

**Physics**

A cannon shoots a shell straight up. It reaches its maximum height, 1,051 feet, and splits into two pieces, one weighing 2 lb and the other 4 lb. The two pieces are observed to strike the ground simultaneously. The 4 lb piece hist the ground 1,608 feet away from the explosion...
*March 29, 2008 by Charlie*

**geometry**

for that some problem: A board that is 12 feet long must be cut into 2 pieces that have lengths in a ratio of 3 to 2. Find the lengths of the two pieces. arn't you solving two parts because the board was cut in two?
*February 27, 2011 by shannon*

**Math**

1. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number a whole number a radical 2. A picture frame is 12 inches long and 9 inches wide. In inches, what is the diagonal length of the picture frame? (1 point) 21 15 8 6 3. Which ...
*October 29, 2012 by This Girl*

**omt101**

A wire when bent into the form of a square encloses an area of 12 sq.cm. if the wire is bent in the form of a circle, then what would be the area?
*March 28, 2011 by Yogesh*

**physics**

a very thin piece of copper wire has an electrical resistance of 20,000 Ohms. You connect its ends to a regular 2.0 Volt battery. How much power does it draw? Let's assume that this little piece of wire initially contained one trillion (that's a one with 12 zeros) mobile ...
*March 20, 2011 by jen*

**physics**

a very thin piece of copper wire has an electrical resistance of 20,000 Ohms. You connect its ends to a regular 2.0 Volt battery. How much power does it draw? Let's assume that this little piece of wire initially contained one trillion (that's a one with 12 zeros) mobile ...
*March 23, 2011 by john*

**physics**

a very thin piece of copper wire has an electrical resistance of 20,000 Ohms. You connect its ends to a regular 2.0 Volt battery. How much power does it draw? Let's assume that this little piece of wire initially contained one trillion (that's a one with 12 zeros) mobile ...
*March 24, 2011 by john*

**Maths**

a rectangular piece of paper has length=14cm and breadth=12cm. A square piece of paper of perimeter 24 cm is cut off from it. what is the area of the piece of paper left
*February 11, 2014 by Swetha*

**math**

if a board is 5\8 feet long and you want to cut it in 3 equal pieces, how long will each piece be?
*April 3, 2013 by andrew smith*

**math**

from one piece of walnut, sam cut two 9 1/2 in. strips for 2 sides of a frame. he cut two 11 3/4 in. strips each for the other 2 sides. sam had 5 1/2 in. of walnut left. how long was the piece of walnut when he started?
*September 1, 2010 by mi*

**math**

from one piece of wood , Sam cut two 9 1/2 in. strips for 2 sides of a frame. He cut two 11 3/4 in . strips each for the other 2 sides Sam had 5 1/2 in.of wood left. How long was the piece of wood when he started ?
*April 18, 2012 by melissa*

**algebra**

a 28 ft rope is cut into 2 pieces. one is 3 feet longer than the other. how long are the pieces?
*October 4, 2010 by mike*

**MATH**

A PIECE OF METAL3/7/8 INCHES LONG IS TO BE CUT FROM A LONG PIECE OF 5/1/16 INCHES. WHAT WILL BE THE LENGTH OF THE REMAINING PIECE?
*March 11, 2011 by ICE*

**Plane and Solid Geometry**

A piece of wood whose ends are square was cut from a cylindrical piece of wood which was cut from the same pieces of wood whose ends are squares 10 centimeter by 10 centimeter and length 20 centimeter. Find the volume of wood(smallest volume) with the least waste.
*December 4, 2012 by Jannie Lou*

**math**

The coffee shop shop has nine apple pies cut into fourths. Each piece sells for $1.50. How much are all the pieces worth?
*September 13, 2012 by GL *

**math**

Ms. Lynn is cutting a piece of bulletin board paper into strips. What size pieces should she cut so that she has the fewest number of strips?
*May 23, 2014 by cheyenne*

**Physics**

Question 2. 3 Consider a box that explodes into two pieces while moving with Fig. 9-24 a constant positive velocity along an x axis. If one piece, with mass : m1, ends up with positive velocity v1, then the second piece, with : mass m2, could end up with (a) a positive ...
*April 1, 2013 by Michelle *

**Physics resistance question**

A piece of copper wire of resistance R is cut into 10 equal lengths. These parts are connected in parallel. How does the joint resistance of the parallel combination compare with the original resistance of the single wire?
*February 21, 2012 by Anonymous*

**Math**

Two friends cut a large candy bar into equal pieces Harriet ate 1/4 of the pieces nisha ate 1/2 of the remaining pieces 6 pieces were left over how many pieces was the candy bar originally divided into
*February 26, 2014 by Shannon*

**Math **

A piece of wire 64 cm long is bent to form a rhombus.What is the length of each side of the rhombus
*April 16, 2013 by Angela*

**geometry**

a jeweler creates triangular medallians by bending pieces of silver wire. each medallion is an equilateral triangle. each side of a triangle is 4 cm long. how many medallians can be made from a piece of wire that is cm long?
*July 14, 2011 by lisa*

**math**

Julia solved this problem. Peter had a strip of leather 58.8 cm long. He cut the strip of leather into 6 equal-length pieces. How long was each piece of leather? Julia said the answer was 0.98 cm. Is Julia's answer reasonable?
*November 21, 2013 by kill'n-yola*

**Math**

lisa cut a log into 4 pieces in 6 minutes. she then cut a smaller log into 8 pieces. how long should the job have taken if she worked at the same rate she had worked when cutting the first log? show all work and prove your answer.
*October 31, 2010 by DIana *

**Math- Geometry**

A board 20 feet long is cut into two boards with lengths in ratio of 5 to 2. To the nearest tenth of a foot, how lng is the longer piece of the board?
*January 30, 2011 by meghan*

**Physics**

(1) 45 micro coulombs of charge is passed through a wire in 35 seconds. How many electrons does this represent? What is the current in the wire? (2) A piece of copper wire has a resistance of 5 Ohms at 20 degrees celsius. If another piece of copper wire at 0 degrees celsius is...
*May 4, 2009 by Bob*

**geometry**

If you cut a 3.4 - inch square out of each corner of a piece of paper with dimensions 13 - by - 38.5 inches and fold it into a box, what is the volume of the container?
*February 6, 2013 by Audri*

**Physics**

A spaceship of mass 2.3×10^6 kg is cruising at a speed of 6.0×10^6 m/s when the antimatter reactor fails, blowing the ship into three pieces. One section, having a mass of 5.2×10^5 kg, is blown straight backward with a speed of 2.0×10^6 m/s. A second piece, with mass 8.4×10^5 ...
*November 26, 2012 by K*

**COLLEGE ALGEBRA**

a board is 15 5/8 in. long . If it must be divided into three pieces of equal length , how long must each piece be ?
*June 14, 2012 by RHEA*

**Physics**

An m = 6.80-kg clay ball is thrown directly against a perpendicular brick wall at a velocity of 22.0 m/s and shatters into three pieces, which all fly backward, as shown in the figure. The wall exerts a force on the ball of 2670 N for 0.110 s. One piece of mass m1 = 2.80 kg ...
*February 27, 2011 by Haley*

**Physics - Please Help**

An m = 6.80-kg clay ball is thrown directly against a perpendicular brick wall at a velocity of 22.0 m/s and shatters into three pieces, which all fly backward, as shown in the figure. The wall exerts a force on the ball of 2670 N for 0.110 s. One piece of mass m1 = 2.80 kg ...
*February 27, 2011 by Em*

**Due 2morrow**

Some students pass around a box of candy containing 25 pieces.Kendra took the first piece of candy. Each child takes a piece of candy as the box is passed around. Bob also gets the last piece and may have more than the first piece. How many children are seated around the table...
*January 25, 2007 by Melthea*

**Physics**

A 5.0 kg shell is fired vertically upward. At its max height of 350.0 m, it explodes into 3 pieces. A 1.0 kg chunk lands 15.0 m away, 45 O due northeast from the launch site. A second 1.0 kg piece lands 25.0 m, 60 O south of east from the launch site. If all 3 pieces land at ...
*August 7, 2012 by Chad*

**physics**

The four wires that lie at the corners of a square of side a= 5.60 cm are carrying equal currents i= 1.80 A into (+) or out of (-) the page, as shown in the picture. Calculate the x-component of the force on a 1.0-cm long piece of the lower right-hand wire, due to the other ...
*March 28, 2011 by Matt*

**geometry**

A board that is 19 feet long must be cut into two pieces that have lengths in a ratio of 3 to 2. Find the lengths of the two pieces.
*June 7, 2010 by Anonymous*

**math**

Larry and Shamir want to build identical houses. They bought a rectangular piece of land and divided it into two identical squares.Each square piece of land has a area of 2500 meter squared. What is the perimeter of the original rectangle?
*April 9, 2013 by Eugene *

**math**

A piece of wire of length 240 cm is bent into the shape of trapezium where the eqtn is = 13x+13x+y+y+24x. Find the value of x and y for which A is maximum, hence find the maximum area. a. express y in term of x b. show that the area A cm^2 enclosed by the wire is given by ...
*July 29, 2011 by Yuni*

**science**

if you cut the marble into two equal pieces, what will be the density , mass and volume of one of those pieces.
*September 21, 2008 by Ashlee*

**maths**

a square piece of tin 31cm and20cm is to be made into a box without top,by cutting a square from each corner and folding up the flaps to form the box.what should be the side of the square to be cut off so that the volume of the box is the maximum possible?
*October 16, 2013 by haritha*

**Physics**

A vessel at rest at the origin of an xy coordinate system explodes into three pieces. Just after the explosion, one piece, of mass m, moves with velocity (-30 m/s)i and a second piece, also of mass m, moves with velocity (-30 m/s)j. The third piece has mass 3m. (a) Just after ...
*February 25, 2007 by COFFEE*

**physics**

A PIECE OF WIRE HAVING R are cut into 4 equal parts find R IN 4 EQUAL PARTS WHICH ARE IN PARALLEL
*May 9, 2013 by shrish*

**Math**

An open box contains 80cm^3 and is made from a square piece of tinplate with 3cm squares cut from each of its four corners. Find the dimensions of the original piece of tinplate. A=80 A=(length)(width)(height) since length and width are the same, and when the box is folded the...
*October 7, 2010 by Anonymous*

**Physics**

Explosives are used to blow a rock apart. The explosion blows the rock into three fragments. Two fragments go off at a 76 degree angle to each other--a 6.2 kg piece at 26.7 m/s and a 5.5 kg piece at 23.3 m/s. Calculate the speed of the third piece, if it has a mass of 3.2 kg.
*January 16, 2011 by Joan*

**physics**

an object with mass 10kg is at rest. It explodes into 4 pieces. A peice with mass 3kg travels NORTH at 5m/s, another piece 5kg travels at 30(degrees) NORTH of EAST at 2 m/s, and another piece 1.1kg travels 60(degrees) NORTH of WEST at 7 m/s. Find the mass and path of the ...
*February 20, 2007 by danielle*

**Math**

I can't to get this problem. Perform the indicated operation 11 -6/7 -7 Can someone help me??? It's easier to perform the 11-7 first. 11-7 is 4. Now, take 4 of something. Cut one of them up into 7 pieces and take away 6 of the 7 pieces. What are you left with? Matt It's easier...
*May 12, 2007 by Norma*

**Algebra 1--Please, help me!**

Marie has a square piece of cloth. She needs another piece with a length 2 inches shorter than the side of the square piece and a width 2 inches longer. The area for the new piece of cloth is 780 in^2. What will be the dimensions of the new piece of cloth? A: ?
*May 19, 2014 by Victoria*

**physics**

a small spacecraft of mass m is moving in a straight line at a speed of 8.00m/s.It suddenly breaks into pieces .one piece of mass m/3 moves of with a velocity of 2.00m/s at an angle of 30 degrees to the original motion.Calculate the velocity as a vector of the other piece of ...
*September 24, 2008 by john*

**Physics**

If U-238 splits into two even pieces, and each piece emits an alpha particle, what elements are produced?
*April 25, 2008 by Lee*

**geometry**

A board that is 12 feet long must be cut into 2 pieces that have lengths in a ratio of 3 to 2. Find the lengths of the two pieces.
*February 27, 2011 by shannon*

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