Wednesday

May 4, 2016
Number of results: 15,375

**math**

A warehouse having a volume of 10,000 ft3 and a floor area of 1000 ft2 is to be built. The cost of constructing the floor is $6.00/ft2, the cost of the roof is $10.00/ft2, and the cost of the walls is $20.00/ft2. If W is the width, L the length, and H the height of the ...
*April 23, 2012 by Emmanuel*

**Algebra**

1. How far is the Willis Tower from Navy Pier, given that each unit is approximately 1/8 mile? Round your answer to the nearest tenth of a mile. The Willis Tower is at the point (-6,-3) and NP is at the point (10,9). I did this calculation: d^2 = (10 - (-6))^2 + (9 - (-3))^2...
*March 13, 2014 by Student*

**Math 11**

Is it possible to construct a rectangle whose length is 1cm less than twice its width, and whose area is 40cm^2? If your answer is yes, determine the dimensions of the rectangle to the nearest tenth of a centimetre. If your answer is no, explain why it is not possible. I know ...
*February 13, 2013 by Kat*

**geometry**

The figure shows a partially completed set of steps to construct figure PQRS. The next step is to construct side RS of the figure so that side RS is congruent to side PQ and angle PQR is congruent to angle SRN. The chart shows the steps each of the four students took to draw ...
*January 29, 2013 by ricco latsonas*

**Physics: Angular Width. Why is my answer wrong?**

A beam of yellow laser light (590 nm) passes through a circular aperture of diameter 5.0 mm. What is the angular width of the central diffraction maximum formed on a screen? I can't seem to get this answer right. I don't think I am finding the first part of the problem ...
*November 9, 2010 by Sar*

**Algebra **

A box with no top is to be constructed from a piece of cardboard whose length measures 6 inch more than its width. The box is to be formed by cutting squares that measure 2 inches on each side from the four corners an then folding up the sides. If the volume of the box will be...
*April 5, 2013 by T H*

**Math**

The white house, built 1792, is the oldest federal building in washington DC . The building has undergone extensive remodeling over the years. The main building is 4 stories high and is about 170 ft long by 85 ft wide. If a replica of the white house were made with a length of...
*January 29, 2014 by Nick*

**algebra 2**

an empty swimming pool is shaped like a rectangular prism with a length of 18 feet and width of 9 feet. Once water begins to be pumped into the pool, the depth of the water increases at a rate of 0.5 foot hour. write a function d(t) that gives the depth in the pool after t hours
*September 25, 2015 by kayla*

**algebra**

A square and a rectangle have the same perimeter. The length of the rectangle is 4cm less than twice the side of the square, and the width of the rectangle is 6 cm than the side of the square. find the perimeter of each figure
*January 1, 2009 by ???E*

**Math**

an empty sandbox has a length of 6 ft, a width of 4 feet, and a depth of 2 feet.of the sandbox is filled with 8 bags of sand and each contain 4.5 cubic feet of sand, what fraction of the sandbox is still empty
*March 26, 2012 by Estefani*

**Maths**

Please help.... The figure is not drawn to scale. It shows two squares. the total area of two squares is 65 sq cm. the length of the smaller square is more that half the length of the larger square. given that the length of each square is a whole number, find the length of ...
*May 5, 2015 by JJ.Sarah *

**math**

A Norman window has the shape of a rectangle surmounted by a semicircle. (Thus the diameter of the semicircle is equal to the width of the rectangle.) If the perimeter of the window is 46 ft, find the dimensions of the window so that the greatest possible amount of light is ...
*March 30, 2007 by Fabiola*

**algebra 1 help**

3) the ideal width of a safety belt strap for a certain automobile is 5 cm. an actual width can vary by at most 0.35 cm. write an absolute value inequality for the range of acceptable widths. a. |w+5|≤ 0.35 b. |w-0.35| ≤ 5 c. |w+0.35|≤ 5 d. |w-5|≤0.35 ...
*April 25, 2013 by hips*

**PRE-CALC**

A large painting in the style of Rubens is 3 feet longer than it is wide. If the wooden frame is 12 in wide and the area of the picture frame is 208 ft^2, find the dimensions of the painting. So I know the width would be x and the length would be x+3 if I do 12x=208, I get 17....
*October 16, 2009 by Muffy*

**maths**

A) Sam jogs 6 laps around a circular running track which has a radius of 30 meters. How far does she jog in total? B)Tom and Jerry decide to find the perimeter of their garden. Tom measures the length as 5.2 meters while Jerry measures the width as 370cm. What is the perimeter?
*February 24, 2011 by Anonymous*

**Math**

Help Homework : MaKE A TABLE:relate primeter and area Amaya has 24 inches of ribbon she can glue around the edge of a rectangular gift box lid. if she wants to use all the ribbon without any overlapping, what are the length and width of a gift box lid with the greatest area?
*May 3, 2012 by Dee*

**Math**

Graph and identify the coordinates of a rectangle with a length of at least 5 units and a width of at least 2 units. Each vertex of the rectangle must be in a different quadrant. Two of the points must have rational coordinates that are not integers. I'm not sure what to do. ...
*May 30, 2014 by Gaylee*

**geometry**

a right triangle has a hypotenuse of length 25 and a leg length of 15. what is the length of the other leg? if necessary, round you answer to two decimal places
*July 5, 2010 by Kasey*

**maths**

points A,B,C and D lie on a straight line in the given order. AC=25cm and BD=46cm. the ratio of length CD to length AB is 5/2. find the length of line segment BC in cm.
*February 9, 2013 by Anonymous*

**Maths Problem**

Anyone, Please Help me. the figure is not drawn to scale. it shows two squares. the total area of two squares is 65 sq cm. the length of the smaller square is more that half the length of the larger square. given that the length of each square is a whole number, find the ...
*May 5, 2015 by Sarah JJ*

**Physics**

An Olympic swimming pool is heated and maintained at 30 °C in the winter. It has a volume of 2500 m3, a length of 50 m, and a width of 25 m. During a storm, the pool receives 1 cm of rain over its surface area. If the rain is 15 °C, what will the temperature of the pool be ...
*December 5, 2010 by Jimmy*

**Physics**

A stainless-steel orthodontic wire is applied to a tooth, as in the figure below. The wire has an unstretched length of 3.42 cm and a radius of 0.14 mm. If the wire is stretched 0.13 mm, find the magnitude and direction of the force on the tooth. Disregard the width of the ...
*March 26, 2013 by Sam*

**Algebra 2**

You are creating a metal border of uniform width for a wall mirror that is 20 inches by 24 inches. You have 416 square inches of metal to use. Write and solve an equation to find the border's width.
*April 12, 2012 by Lyle Eleda*

**Geometry**

If the length of one base of a trapezoid is 5, the length of the other base is 2x + 7, and the length of the midsegment is 6x – 24, what is the value of x? Show equations and all work that leads to your answer.
*January 22, 2010 by Alyssa*

**math**

the length of one board is 2feet10inches,and the length of another board is1yard1foot9inches.what is the total length of the 2boards put together?a.1yard4feet6inchesb.2yard1foot7inchesc.1yard3feet20inchesd.3yard5inches
*June 17, 2013 by babyc36*

**alg 2**

A rectangular plot is 30 feet long and 20 feet wide. The area will be doubled by adding a strip at one end and another strip of the same width on one side. What would be the width of the strip?
*June 28, 2011 by Shannon*

**calculus**

A rectangular beam is cut from a cylindrical log of radius 25 cm. The strength of a beam of width w and height h is proportional to wh2. (See Figure 4.70.) Find the width and height of the beam of maximum strength.
*November 1, 2011 by Maria*

**Math (I'm really confused). Please help.**

What is the length of approximated to the nearest tenth? A. 49 B. 32 C. 23 D. 7 Side AB has a length of 7x and Side CB has a length of 9x - 14. It is an equilateral triangle.
*February 14, 2014 by dark1*

**Math help!**

The length of the hypotenuse of a right triangle is 13 m. The length of one leg is 5 m. Find the length of the other leg. A. 14 cm B. 144 cm C. 8 cm D. 12 cm Is the answer C? Thank you
*October 30, 2014 by Anonymous*

**Math**

a textbook page measures 6 inches by 9 inches. there is a margin of uniform width around all four sides of the page leaving 28 square inches for printing. find the width and height of the printing area
*December 25, 2012 by Kim*

**MATH**

The perimeter of a rectangle is 540ft. Let x represent the width of the rectangle. Write a quadratic function for the area of rectangle in terms of its width. Find the vertex of the graph of the quadratic function and interpret its meaning in the context of the problem.
*June 8, 2014 by Anonymous*

**Math, please help**

A matte of uniform width is to be placed around a painting so that the area of the matted surface is equal to the area of the painting. If the dimensions of the painting are 15 cm and 10 cm, find the width of the matte. The answer is supposed to be 2.5 cm but I keep getting 12...
*November 5, 2014 by Isabelle*

**math**

the white house built 1792 is the oldest federal building in washington dc the building has undergone extensive remodeling over years the main building is four stories high and is about 170 ft long by ft wide if a replica of the white house were made with a length of 4 ft what...
*December 11, 2011 by Franklin bash*

**Math Help!!**

Bottom part of a greenhouse frame has a length of 350 cm width of 220 cm and a height of 250 cm. Angle at the peak of the roof measures 90 degrees. Sketch the frame and label it with its actual dimensions. Use a scale of 1:25 to calculate the measurements of your scale model. ...
*January 16, 2013 by Anonymous*

**Math**

math forms for construction are made of cement like the one shown. this one has a hollow cylindrical center. what is the total volume of the form? use 3.14 as an approximation for pi. round answer to nearest tenth. Diameter for cylinder is 0.5 ft Width for cube is 1 ft Length ...
*January 26, 2016 by Ayan*

**trig**

The hypotenuse of a right triangle has length 8 and one of the other edges has length 3. What is the sine of the angle opposite the edge of length 3? (A) 3/p55 (B) 3/8 (C)p55/8 (D) 55/64 (E) None of the above.
*May 7, 2011 by minh*

**Linear Algebra 8; Slope-Intercept Form**

A right triangle has a leg b of length 7 and a hypotenuse of length 11. What is the length of the other leg, a? Round to the nearest tenth, if necessary. A) 2.0 B) 8.5 C) 13.0 D)9.6
*February 11, 2016 by CyberDarkness*

**please help, math question**

A matte of uniform width is to be placed around a painting so that the area of the matted surface is equal to the area of the painting. If the dimensions of the painting are 15 cm and 10 cm, find the width of the matte. The answer is supposed to be 2.5 cm but I keep getting 12.5.
*November 5, 2014 by Isabelle*

**sewing2**

please help me i need help on these qestions ive tried doing them even asking others for help but no one seems to understand them.... Ms. Troy would like you to make a copy of an outfit that she owns and really likes—a sleeveless dress with a short-sleeve jacket. She has ...
*April 20, 2010 by katherine*

**maths**

1. A ball costing €50 was increased in price by 1%. What was the new price? 2. The perimeter of a swimming pool is 70 metres. If the width is 10 metres, what is the length of the pool? 3. A DVD player can be bought for €250 cash or for a down payment of €40 and twelve monthly ...
*November 26, 2015 by liam*

**Math**

2. Which would you measure in kilograms? A. the mass of a butterfly B. the capacity of a bottle C. the mass of a dog<my answer D. the length of a river 3. Select the measurement that is most reasonable. A. A cat has a mass of 5 grams. <my answer B. A street has a width ...
*March 16, 2016 by keykat*

**Math**

Sally painted a picture that has an area of 480 square inches. The length of the painting is 1 1/5 its width. Which of the following could be the dimensions of Sally’s painting? A. 20 inches by 24 inches B. 12 inches by 40 inches C. 16 inches by 30 inches D. 15 inches by 32 ...
*March 5, 2016 by Ilana*

**Math**

Huong covered a box with sticky-backed decorating paper. The paper costs $.03 per square inch. How much money will Huong need to spend on paper if the height of the box is 9 inches, width is 3 inches, and the length is 7 inches? Please show full work. Thank you.
*October 9, 2013 by Monica*

**math**

A scale drawing of a kitchen is shown below. The scale is 1 : 20. A rectangle is shown. The length of the rectangle is labeled 4 inches. The width of the rectangle is labeled 5 inches. Show your work to determine the area of the room in square feet
*July 11, 2015 by mia*

**math**

a rectangle and triangle have equal areas.the lenght of the rectangle is 12 inches, and its width is 8 inches.if the base of the triangle is 32 inches,what is the length in inches drawn to the base? a)12 b)16 c)6 d)8 e)9
*October 4, 2007 by jessica*

**algebra **

1. Which number makes this equation true? v 2 + 10v + 16 = (v + 8)(v + ?) (1 point) 2 4 6 8 2. What is the factored form of x 2 + 6x + 8? (1 point) (x + 5)(x + 3) (x + 4)(x + 2) (x + 7)(x + 1) (x + 3)(x + 3) 3. What is the factored form of x 2 – 7x + 12? (1 point) (x – 5)(x – ...
*February 4, 2014 by fluffy*

**calculus**

A box with a square base and an open top is to have a volume of 68in^3 . Neglect the thickness of the material used to make the box, and find the dimensions of the box that would minimize the amount of material used. The width and length of the box are each ___ in. The height ...
*March 30, 2010 by Haley*

**math**

the length of a rectangle is 7/8 yards and its width is 32/49 yards what is its area in square yards? 7/8 times 32/49 = 224/392 now simplify (the lowest common denominator is 56) so 224/392 = 4/7 So there is 4/7 of a square yard in the rectangle Thank you Lance for your help
*March 9, 2007 by carmen*

**math**

A rectangular park measuring 35 yards by 24 yards is surrounded by a trail of uniform width. If the area of the park and the trail combined is 2420 square yards, what is the width of the path?
*February 24, 2010 by ReRe*

**math**

A rectangular park measuring 35 yards by 24 yards is surrounded by a trail of uniform width. If the area of the park and the trail combined is 2420 square yards, what is the width of the path?
*March 2, 2010 by Lee*

**algebra 1 NEED NOW!!! PLEASE HELPPP**

The height of a curved support beam can be modeled by F(x)=- x^2/288 +18 Find the height and width of the beam. Height = units Width = units
*July 1, 2013 by lisa*

**math**

The deck of a swimming pool had the same width all the way around. The perimeter of the pool is 50m. The outside perimeter of the deck is 74m. What is the width of the deck?
*May 12, 2014 by annie*

**math**

A rectangular garden was planted measures 12 ft by 8 ft. You want to plant a border of roses around the garden of equal width with the same area as the garden. What should the width of the border of roses be?
*November 8, 2015 by Angela*

**Maths **

The breadth of a rectangular plot of land is 85% of its length. The difference between the length and breadth is 18m. A) what is the length B) what is the area
*August 16, 2011 by Joel*

**Math**

The length of the hypotenuse of a right triangle is 15 cm. The length of one leg is 9 cm. Find the length of the other leg. 6 cm 12 cm 17 cm 144 cm
*November 19, 2012 by Eric*

**Math - Algebra**

The length of the hypotenuse of a right triangle is 13 cm. The length of one leg is 5 cm. Find the length of the other leg.
*November 28, 2012 by Elleighette B.*

**math**

6. The length of the hypotenuse of a right triangle is 15 cm. The length of one leg is 9 cm. Find the length of the other leg. 6 cm 12 cm 17 cm 144 cm
*November 29, 2012 by hard questions PLZZ answer!*

**math**

The length of the hypotenuse of a right triangle is 13 m. The length of one leg is 5 cm. Find the length of the other leg. a) 14 cm b) 144 cm c) 8 cm d) 12 cm
*October 31, 2013 by victoria*

**Math HELP!**

The length of the hypotenuse of a right triangle is 15 ft. The length of one leg is 9 ft. Find the length of the other leg. A. 6 ft. B. 21 ft. C. 12 ft. D. 18 ft. Is the answer C? Thank you
*November 5, 2014 by Callie*

**Maths**

The triangle is called ABC. Angle B has an angle of 90 degrees. The length of AB is 15mm and the length of BC is 16mm. Find the length of AC
*February 17, 2016 by Melissa*

**physics **

A.An observer moving at a speed of 0.810 c relative to a rod measures its length to be 2.00 m and sees its length to be oriented at 30.0 degrees with respect to the direction of motion. What is the proper length of the rod? B.What is the orientation angle in a reference frame ...
*April 14, 2010 by Andy *

**MATH**

THE AMOUNT OF CLOTH USED TO MAKE FOUR CURTAINS IS GIVEN BY THE FUNCTION A=-4X^2 + 40X WHERE X IS THE WIDTH OF ONE CURTAIN IN FEET AND a IS THE TOTAL AREA IN SQUARE FEET. FIND THE WIDTH THAT MAXIMIZES THE AREA OF THE CURTAINS. WHAT IS THE MAXIMUM AREA?
*October 7, 2014 by Anonymous*

**algebra**

The length of a spring is a linear function of the mass of the object hanging from it. For a particular spring, the length was 12 centimeters when a 2-kg mass was attached to it. When a 5-kg mass was hung from it, it stretched to a length of 18 cm. Which equation relates the ...
*June 16, 2013 by w*

**math**

the width in cm of a rectangle is the same as the slope of the line 5x-6y=-14, and its length in cm is the same as the slope of the line that is perpendicular to the line 9x+4y=87. Find the perimeter of the rectangle.
*November 17, 2012 by daniel*

**math**

the width in cm of a rectangle is the same as the slope of the line 5x-6y=-14, and its length in cm is the same as the slope of the line that is perpendicular to the line 9x+4y=87. Find the perimeter of the rectangle.
*November 17, 2012 by daniel*

**Algebra **

you trim a large square picture so that you could fit it into a frame. you trim 3 inches from the length and 2 inches from the width. the area of the resulting picture is 56sq in what was the perimeter of the original large square picture?
*March 12, 2013 by Jennifer*

**math**

Find the scale factor troy will to build his pool. The width is 625cm. The olympic pool is 50m long and 25m wide. Then find the length using the scale factor of troy pool
*April 13, 2014 by Heather*

**Math**

Hi, so I am supposed to calculate the volum of my prism as if it were a prism. I know I'm supposed to to do Volum=1/3* area of the base* height. But I get confused can you please help me. These are the measurements of my prism. Length=5cm Width=17cm Height=22cm. Please help me...
*February 23, 2015 by Callie*

**physics**

1)An elastic material has a length of 36cm when a load of 40N is hung on it and a length of 45cm when a load of 60N is hung on it. The original length of spring is? 2)A force of 100N stretches an elastic spring to a total of 20cm. If an additional force of 100N stretches the ...
*April 9, 2013 by Anne*

**calculus**

Calculate the work (in joules) required to pump all of the water out of the tank. Assume that the tank is full, distances are measured in meters, and the density of water is 1,000 kg/m^3. Water exits from a small hole at the top of the rectangular box. The dimensions are 8 m, ...
*February 1, 2010 by Jake*

**Calculus**

Calculate the work (in joules) required to pump all of the water out of the tank. Assume that the tank is full, distances are measured in meters, and the density of water is 1,000 kg/m^3. Water exits from a small hole at the top of the rectangular box. The dimensions are 8 m, ...
*February 1, 2010 by Jake*

**Algebra**

Mr. Petri has a rectangular plot of land with length=20 feet and width=10 feet. He wants to design a flower garden of o circle with two semicircles at each end of the center circle. he will fill in the shaded region with wood chips. if one bag of wood chips covers 5 square ...
*April 9, 2011 by Mingma*

**math**

A community center is expanding the size of its rectangular meeting hall. The hall is currently 300ft long and 150ft wide. The center plans to expand both the length and the width of the meeting hall by 3x ft. What polynomial in standard form represents the area of the ...
*March 4, 2013 by Jane*

**Math Geometry**

a shipping crate carrying e readers has a length of 19 1/3 feet, a width of 7/23 feet, and a height of 7 5/6 feet. Whaat is the volume of the shipping crate? Show your work. i know V=lwh , but I'm getting the wrong answer! Please help. I got 58/3 x 23/3 x 47/6 = 62.698/54=1....
*July 9, 2013 by andra *

**Mechanical behavior**

An atomic force microscope cantilever, of rectangular cross section, has a length, l, of 200μm, a width, b, of 20μm and a depth, h, of 1μm. It is made of silicon nitride, which has a Young's modulus, E, of 300GPa. What is the maximum force that can be applied ...
*November 8, 2015 by HELP*

**math, science**

An atomic force microscope cantilever, of rectangular cross section, has a length, l, of 200μm, a width, b, of 20μm and a depth, h, of 1μm. It is made of silicon nitride, which has a Young's modulus, E, of 300GPa. What is the maximum force that can be applied ...
*November 8, 2015 by HELP*

**Mechanical behavior**

An atomic force microscope cantilever, of rectangular cross section, has a length, l, of 200μm, a width, b, of 20μm and a depth, h, of 1μm. It is made of silicon nitride, which has a Young's modulus, E, of 300GPa. What is the maximum force that can be applied ...
*November 11, 2015 by please HELP*

**MATH QUIZ PLS HELP!!!**

1.Find the lateral area of a cone with a radius of 7 ft. and a slant height of 13 ft. Use 3.14 for ©£ and round to the nearest tenth. 439.6 ft^2 324.5 ft^2 571.5 ft^2 285.7 ft^2*** 2.Find the surface area of a square pyramid with a base length of 24 cm and a height of 16 cm. ...
*March 19, 2014 by TTR+S<3*

**Physics**

Ten identical lengths of wire are laid closely side by side. Their combined width is measured and found to be 14.2 mm. Calculate: a)the radius of a single wire b)the volume in mm cubed of a single wire if its length is 10.0 cm. (Volume of a cylinder = π*radius squared*...
*September 13, 2013 by Arzam*

**statistics**

How large a sample would be needed to form a 90% confidence interval for the mean nicotine content of a brand of cigarettes if the nicotine content has a normal distribution with sigma equal to 8.5 mg and the width of the interval (the length of the confidence interval) equal ...
*November 17, 2013 by Alex*

**Science/Math**

If a barrier island that is 1km wide and 10km long loses 1.5 m of its width per year to erosion by a longshore current, how long will teh island take to loose one-fourth of its width. Please show step by step how to work this problem. Thank you
*February 27, 2009 by Dan1*

**calculus**

I've done the first question but I cannot get any farther. I'm so stuck. Please explain or just help me to figure out the next steps. A printed poster is to have a total area of 837 square inches with top and bottom margins of 7 inches and side margins of 6 inches. What should...
*April 20, 2012 by casidhe*

**Math**

Felix used a scale factor of 1 inch = 2.5 feet to draw model of his backyard, as shown below. He is planning to build a fence around the yard. If the cost of the fence is $3.50 per foot, how much will it cost him to build the fence? Length 2.75in. width 1.25in Is my answer ...
*November 7, 2014 by Jeffery*

**Math**

2. The length of time that it takes for a pendulum to make one complete swing depends on the length of the pendulum. The time in seconds, T, is related to the length in metres, L, through the equation T = 2π√(L/9.8) c. Graph this function for pendulums up to 20m in ...
*May 28, 2012 by Jamie*

**pre-calculus**

A developer wants to build homes on a rectangular plot of land 4 kilometers long and 3 kilometers wide. In this part of the city, regulations require a greenbelt of uniform width along two adjacent sides. The greenbelt must be 10 times the area of the development. find the ...
*October 14, 2011 by jordan*

**geometry math help**

"the inside of a carton is measured and is found to be width of 40cm, length 60cm and depth 30 cm. it is to be packed 2 layers deep with cylindrical tins that have a radius of 5cm and height of 15cm (outside measurements)." a) show that 48 tins can be packed into the carton b...
*May 26, 2014 by Kiirsty*

**math**

Find the lateral and surface area of the right rectangluar prism whose length is 7 cm, width is 5 cm and height is 1.5 cm. I did 2(7 x 1.5+ 1.5 x 5) and I got 36 as my lateral area. Then I add 36+ 2(7 x5) and I got 106 as my surface area. Is this right?
*November 11, 2007 by carly*

**Math**

An empty sandbox has a length of 6 feet width of 4 feet and a depth of 2 feet. If the sandbox is filled with 8 bags of sand and each bag contains 4.5 cubic feet of sand, what fraction of the sandbox is still empty?
*April 16, 2011 by Helpplz*

**Pre-Calculus**

You have been hired by the Humane Society to construct six animal cages using 1400 feet of chain fence. Express the length and width using function notation. Include a graph with the area function with explanation of significance. Find the dimensions that maximize the total ...
*November 28, 2014 by Guadalupe*

**Pre Calculus**

You have been hired by the Humane Society to construct six 2 by 3 animal cages using 1400 feet of chain fence. Express the length and width using function notation. Include a graph with the area function with explanation of significance. Find the dimensions that maximize the ...
*December 5, 2014 by Guillermo*

**geometry**

If the length of the hypotenuse of a right triangle is 65 cm and the length of one side is 56 cm, then the length of the other side must be
*November 8, 2009 by kimama*

**math**

A piece of cloth that measures 1 yard in length is about the same length as cloth measuring___________ in length.
*February 23, 2011 by Ally*

**geometry**

The length of the smaller of the two diagonals of a rhombus is 12 and the length of the larger diagonal is 16. What is the length of a side of the rhombus?
*April 3, 2011 by Reid*

**algerbra**

Find the approximate length of the leg of a right triangle with one leg length 8 and hypotenuse length 19
*May 7, 2015 by carlos*

**physics**

An electron in a computer monitor enters midway between two parallel oppositely charged plates. The initial speed of the electron is 6.15 x 10^7 m/s and its vertical deflection is 4.70 mm. (a) What is the magnitude of the electric field between the plates? (b) Determine the ...
*January 13, 2011 by Isabell*

**Science Density**

Water has a density of 1.0g/cm3. Aperson sits in a bath 150cm in length and 90 cm width. Thw water had a depth of 60cm befor the person sat in the bath. after sitting in the bath the water level rose to 68cm. Calculate the mass of the person, giving your answer in kg.
*October 22, 2014 by Jess*

**Mechanical Behavior of Materials**

An atomic force microscope cantilever, of rectangular cross section, has a length, l, of 200μm, a width, b, of 20μm and a depth, h, of 1μm. It is made of silicon nitride, which has a Young's modulus, E, of 300GPa. What is the maximum force that can be applied ...
*November 8, 2014 by zxcv*

**Calculus/physics**

Calculate the work (in joules) required to pump all of the water out of the tank. Assume that the tank is full, distances are measured in meters, and the density of water is 1,000 kg/m^3. Water exits from a small hole at the top of the rectangular box. The dimensions are 8 m, ...
*February 2, 2010 by Jake*

**Algebra**

A farmer plans to enclose a rectangular region using part of his barn for one side and fencing for remaining sides. The area of the region is maximized when the width is 30 feet. a.) write an equation that could model the area as a function of the width. Let P equal the amount...
*September 20, 2012 by Kristen*

**Math**

A Norman window has the shape of a rectangle surmounted by a semicircle. (Thus, the diameter of the semicircle is equal to the width of the rectangle.) If the perimeter of the window is 30 ft, find the dimensions of the window so that the greatest possible amount of light is ...
*November 23, 2013 by Lenny*