Thursday

May 26, 2016
Number of results: 48,596

**Geometry **

If a length of an arc with measure 80 is 15 pi inches long, find the area of the circle.
*June 3, 2013 by John Zhou*

**math**

If the area of a square is eighttimes, by what factor do itsw sides increase in length?
*February 6, 2014 by Thomas*

**Geometry**

I don't understand any of this :( "What is the area of a trefoil whose horizontal base has length 2?" Please help!!!
*July 28, 2014 by Sheenybeany*

**Geometry**

What is the area of a parallelogram with base length 12 m and height 9 m? A = bh so... 12 x 9 = 180 A = 180m Right?
*March 24, 2016 by UpSaNdDoWnS*

**Math **

What the relationship that happens between the increase of the length of the side and area or perimeter
*May 15, 2016 by Sandy *

**algebra/geometry please correct me**

You need to make a soda can with a volume of 29 cubic inches. Find the surface area. calculate the following: a) How much material is needed if the can's radius is 2 inch? Answer with the help of Reiny, but doing it with a different radius to make sure I got it. let the height...
*November 8, 2010 by Nancy*

**math**

Can someone check my answers & tell me what I did wrong if I did any? 1.) John paid $32 for 2 concert tickets & 1 program AND Romona paid $36 for 2 concert tickets and 2 programs. If all concert tickets were priced the same, how much did ONE concert ticket cost? Answer: $4 2...
*November 8, 2015 by Emma*

**Geometry**

If a rectangular lot measures 120 ft. x 80 ft., and 10 foot set backs are required from each lot line, how much area is left? If a kennel for 50 dogs requires 12,500 square feet, how many dogs can be accommodated in the small rectangle?
*January 18, 2011 by Ivan*

**Math**

A farmer has 2,400 feet of fencing and wants to fence off a rectangular field that borders a straight river. He needs no fence along the river. Write the function that will produce the largest area if x is the short side of the rectangle.
*March 5, 2015 by Gary*

**phy**

Calculate the density for a rectangular block using the following measurements. Length: 2.70 cm, Width: 1.10 cm, Height: 9.09 cm, Mass: 72.17 g. Round your answer for density to 2 decimal places. Include the correct unit for density. Show your work
*May 18, 2011 by irtaza*

**MATH HELP PLEASE**

You are given two different circles. The diameter of the first circle is the radius of the second circle. What is the ratio of the area of the larger circle to the area of the smaller circle. Your answer should be in the form of a simplified fraction. I have no idea where to ...
*September 26, 2011 by PLEASE HELP*

**Math**

Two parallelograms have pairs of sides that are 3 feet long and 2 feet long. One of the parallelograms is a rectangle and the other is not. Which has a bigger area, and why
*June 11, 2009 by Chris*

**math**

A garden will be made up of a parallelogram, a rectangle and a triangle. The garden must have an area of 500m 2 . Draw two possible gardens. Determine the dimensions of each part of the garden, and justify your choice of these dimensions
*December 9, 2013 by joy*

**4th grade**

Two parallelograms have pairs of sides that are 3 feet long and 2 feet long. One of the parallelograms is a rectangle and the other is not. Which has a bigger area, and why?
*January 4, 2010 by Sarah*

**math**

The base of a rectangle is 2cm greater than its height. Find the base and the height of the parallelogram if the area of the parallelogram is 120 cm2. Can this be shown as a quadratic and factored?
*August 28, 2010 by MARIANNE*

**calculus**

A container with square base, vertical sides, and open top is to be made from 2700 square feet of material. Find the dimensions (length × width × heigth) of the container with greatest volume.
*August 1, 2010 by Mely*

**Calculus**

A rectangular prismatic tank has the following dimensions :length is 3 m, width is 2m . And depth is 3m .it is being filled with water and the surface level is rising at 20cm/min.what is the inflow rate of water at the tank ?
*March 13, 2011 by Mehak*

**calculus**

A rectangular prismatic tank has the following dimensions :length is 3 m, width is 2m . And depth is 3m .it is being filled with water and the surface level is rising at 20cm/min.what is the inflow rate of water at the tank ?
*March 14, 2011 by Mehak*

**math**

an architect has allocated a rectanguoar space of 324ft^2 for a square dinging room and a 12ft wide kitchen. find both width of the dining room and the length of the entire rectangular space.
*October 31, 2013 by pam*

**AP Chemistry**

We were given a 12 cm by 12 cm area of aluminum foil (it weighed 0.60 g) and were told to calculate the atomic mass of Aluminum atoms given that the radius of 1 aluminum atom is 143 picometers and the density is 2.7 grams per centimeter cubed, without using Avogrado's number. ...
*November 15, 2012 by BadatChem*

**Physics**

Four charges with equal magnitudes of 7.81 × 10-12 C are placed at the corners of a rectangle. The lengths of the sides of the rectangles are 2.52 cm and 4.02 cm. Find the magnitude of the electric field at the center of the rectangle in Figures a and b. img166.imageshack.us/...
*March 20, 2013 by Sarah*

**HELP PHYSICS!**

Four charges with equal magnitudes of 7.81 × 10-12 C are placed at the corners of a rectangle. The lengths of the sides of the rectangles are 2.52 cm and 4.02 cm. Find the magnitude of the electric field at the center of the rectangle in Figures a and b. img166.imageshack.us/...
*March 20, 2013 by Sarah*

**math**

A rectangular Persian carpet has a perimeter of 240 inches. The length of the carpet is 30 inches more than the width. What are the dimensions of the carpet? Use P = 2L + 2W.
*August 17, 2010 by James*

**geometry**

A manufacturer wants to make a rectangular storage box with volume 0.75 cubic meters, length 1.5 meters and width 0.4 meters. What is the height of the box?
*October 11, 2010 by Tiffany*

**math**

if i have a 90 length and a 40 width inch of a house and i want to add tiles so i get a 16 inch by 16 inch tile for a "perfect square" how may tiles will i need
*September 29, 2011 by racuel *

**Algebra**

The length of a rectangular playground exceeds twice its width by 25 meters, The perimeter of the playground is 650 meters. Find the demensions of the playground.
*October 30, 2012 by Chris*

**geomety**

You want to pour a concrete slab with a width of 16 feet, a length of 16 feet, and a height of 0.5 feet. Find the volume of the concrete, so you know how much you will need
*May 26, 2013 by Hannah*

**math**

Mr. Cook wants to fence his rectangular garden which covers 100 ft squared. The width of the garden is 7 and 1/2 ft. What is the length of the garden? How much fencing will Mr. Cook need?
*May 1, 2011 by Judy*

**Math**

A builderis designing a rectangular patio that has a length of 12 units. Find the total number of square units the patio will cover if the width is 4,5,6, or 7 units
*September 17, 2012 by Shion*

**algebra**

+write an expession for the volume of a rectangular prism if the length is 2 feet longer than some x amount the width is 6 feet longer than x and the height is x feet
*August 5, 2015 by lisa*

**Math**

Several models of a rectangular cabin are being studied the perimeter of each model is 26 inches the length of one model is 8 inches what is the width of the model
*April 18, 2016 by Isaac*

**Math **

A rectangular aquarium has a length of 18 inches, a width of 8 inches; and a height of 12 inches. What is the maximum volume of water that the aquarium can hold? Use V = lwh
*May 23, 2016 by Tayler*

**Geometry**

A photographer enlarged a picture. If the width of the image is 5 inches and the width of the pre-image was x, what is the scale factor for the dilation in terms of x?
*January 5, 2016 by Jonathan*

**algebra**

the size and diameter of your pizza the two options for number of slices, including the arc length and area for both options the two options for delivery radius, including the area and equation for both options answers to the reflection questions
*May 21, 2012 by Anonymous*

**Ms. Sue - 6th Grade Math-Connections Academy**

This diagram is a scale drawing of a fountain. If the side length of one square is 2 feet, what is the area of the fountain? A stands for Area. A. A = 9 to the second power. B. A = 12 to the second power. C. A = 18 to the second power. D. A = 36 to the second power. Thanks.
*April 2, 2016 by Geek Girl*

**math( surface area )**

The height of a rectangular prism is 20 centimeters. It has a surface area of 2,400 square centimeters. What are two possible sets of lengths and widths? Find one set of dimensions with l and w equal in length as well as a set of dimensions that are not equal.
*April 4, 2016 by julia*

**pre-calc**

construction of a rain gutter: a piece of rectangular sheet metal is 20 inches wide. it is to be made into a rain gutter by turning the edges to form parallel sides. let x represent the length of each of the parallel. a) give the restrictions on x. b) determine a function of A...
*November 10, 2011 by steph*

**calc**

Find the maximum possible area of a rectangle in quadrant 1 under the curve y=(x-4)^2 (with one corner at the origin and one corner on the curve y=(x-4)^2)
*April 14, 2015 by Anonymous*

**math**

which figure does not show a line of symmetry? there's a n isosceles triangle, a wide hexagon, a rectangle and a long pentagon i think its either the rectangle or the wide hexagon.
*April 15, 2012 by Gabby ( 5 grade)*

**math**

which figure does not show a line of symmetry? there's an isosceles triangle, a wide hexagon, a rectangle and a long pentagon i think its either the rectangle or the wide hexagon.
*April 15, 2012 by Gabby ( 5 grade)*

**Physics (Stress & Strain)**

A steel bar has a rectangular cross section measuring 1.000cm by 2.900cm and is 8.700m in length. A load of 189000.00N causes the bar to extend 1.500mm. Calculate the stress and strain produced. ANS 1 = kPa (3 decimal places) ANS 2 = (6 decimal places) 1.000cm = 0.01m 2.900cm...
*June 28, 2013 by Danny*

**Physics(Stress&Strain)**

A steel bar has a rectangular cross section measuring 1.000cm by 2.900cm and is 8.700m in length. A load of 189000.00N causes the bar to extend 1.500mm. Calculate the stress and strain produced. ANS 1 = kPa (3 decimal places) ANS 2 = (6 decimal places) 1.000cm = 0.01m 2.900cm...
*June 29, 2013 by Danny*

**Calculus**

An isosceles triangle is to be drawn with its two equal sides of legth 10. What is the maximum possible area for the triangle? [Note: The area of a triangle is given by half the product of two sides with the sine of the included angle.]
*November 15, 2010 by MEG*

**Alegbra**

The length of a pool is 3 feet more than twice its width. If the perimeter of the pool is 72 feet, find the dimensions of the pool by writing and solving a system of equations.
*February 27, 2014 by EddieG*

**Alegbra**

The length of a pool is 3 feet more than twice its width. If the perimeter of the pool is 72 feet, find the dimensions of the pool by writing and solving a system of equations.
*March 2, 2014 by BrianP*

**Math**

the perimeter of a rectangular park is 1080 yds. The width of the park is 240 yds. What is the length of the park? What is the amount of grass that the township has to mow & fertilize?
*August 24, 2014 by Olivia*

**Math**

a regular plot of land is designed so that its length is 6 meters more than its width. the diagonal of the land is 10 meters. to the nearest tenth of a meter, what are the dimensions of the land?
*May 6, 2016 by Natalie*

**physics**

Mode spacing and gain coefficient: A Nd microchip laser has an index of refraction 1.78 and a cavity length of 3.20 mm. Mirrors of reflectivity 0.997 and 0.975 are mounted directly on the faces of the chip. The emission lineshape of the laser transition can be considered to be...
*January 1, 2013 by qweasd*

**Math**

A right rectangular prism is packed with identical cubes. The dimensions of the prism are given in terms of the number of cubes needed to fill the prism. length is 16 cubes wide th is 9 cubes height is 23 cubes. The side length of each cube is 1/4 inch. What us the volume?
*March 26, 2016 by Joana*

**algebra**

The length of Sally's garden is 4 meters greater than 3 times the width. The perimeter of her garden is 72 meters. What are the dimensions of Sallly's garden?
*January 26, 2010 by brooke*

**geometry**

a cylinder is inscribed in a rectangular solid with a base length that is 10 inches and width that is 10 inches and a height of 16 inches. what is the radius of the cylinder?
*December 4, 2012 by miks*

**Math**

The interior dimensions of a chest are 4 feet length, 2 feet width and 3 feet height. How many 1-foot cubes could fit in the chest?
*March 26, 2013 by Anonymous*

**Algebra 1 **

A certain United States flag has a perimeter of 58 feet . The length of the flag is 9 feet longer than the width. What are the dimensions of this flag ?
*April 5, 2013 by Citlalli*

**Math**

A certain United States flag has a perimeter of 58 feet . The length of the flag is 9 feet longer than the width . What are the dimensions of this flag?
*April 5, 2013 by Citlalli*

**Algebra**

A rectangular Persian carpet has a perimeter of 212 inches. The length of the carpet is 24 inches more than the width. What are the dimensions of the carpet?
*June 12, 2014 by Brian*

**Math**

An artist has 8 square feet of canvas to paint. The canvas was rectangular and the length was twice as long as the width. How long was the canvas?
*April 25, 2016 by Antoinette*

**Algebra**

The area of a circle is given by the formula A+pier^2, where r is the radius. If increasing the radius of a circle by 1 inch gives the resulting circle an area of 100pie square inches, what is the radius of the original circle?
*March 12, 2012 by Savannah*

**math**

The area of a circle is given by the formula A = ðr2, where r is the radius. If increasing the radius of a circle by 1 inch gives the resulting circle an area of 100ð square inches, what is the radius of the original circle?
*March 26, 2015 by Anna*

**Math**

Point X is on side BC of rectangle ABCD. If AX = 5 units, XD = 12 units, and AD = 13 units, find the area of ABCD.
*May 13, 2010 by Mary*

**Math rem**

2.Find the length of the arc in a circle if the radius of the circle is 24cm and the degree of the arc is 90o 3.Find the length of the arc if a circle if the degree if the arc is 120o and the length of the radius is 8cm. 4. A circle has a radius of 7. Find the diameter (D) and...
*February 11, 2013 by bs*

**Geometry**

If a central angle of 90 degrees defines an arc on circle R that has the same length as the arc on circle W defined by a 60-degree central angle, what is the ratio of the area of circle R to the area of circle W? Express your answer as a common fraction.
*January 12, 2015 by kylefreedman*

**PHYSICS**

how to calculate formula for period of a cylinder that depends on radius(cm), length(cm) and time(sec). If a radius is 3.84 and at length(30)=.83sec length(100)=3.31sec length(200cm)=6.04sec
*May 18, 2008 by josh*

**math **

how to rewrite rule in symbols: At a certain time of day,the length of a shadow s cast by an object is twice the length of the object L each length h in a copy 1/100 the length k in the original
*November 30, 2010 by ursula*

**math **

how to rewrite rule in symbols: At a certain time of day,the length of a shadow s cast by an object is twice the length of the object L each length h in a copy 1/100 the length k in the original
*November 30, 2010 by ursula*

**algebra**

when dealing with corresponding proportional sides how do you figure out the following: a rectangle with 6.5m on side and 3.7m on base and the other rectangle is 4.0m base and e on side?
*October 6, 2010 by mary*

**Math**

write a ratio comparing widths, lengths, and the perimeter of a rectangle 6 inches by 9 inches and a rectangle 8 inches by 12 inches. Show whether these are are equivalent or not.
*October 13, 2013 by Jeremiah*

**Math**

Which of the following would require finding the area? A. Determining the number of sugar cubes in a box B. Determining the amount of paper needed to cover a bulletin board C. Determining the length of trim needed to go around the edge of a bulletin board D. Determining the ...
*January 30, 2012 by Andrew*

**math**

if a rectangle has 8ft base and a 3ft heignt, how nuch must eh heignt be incresed to make a new area of 56 sq. ft.? Hint:let the new height be x plus the old height
*October 18, 2008 by jessica*

**4th grade**

Two rectangles have the same shape. The perimeter of the larger one is twice the perimeter of the smaller one.How many times as great is the larger rectangle's area?
*November 17, 2010 by Kache'la *

**elementary math for teachers **

Suppose that a given parallelogram is not a rhombus or a rectangle. Which of the following can you conclude about this parallelogram? A) It is a square. B) Its angles are not all congruent. C) Its diagonals are perpendicular bisectors of each other. D) None of the above
*October 15, 2009 by jen*

**7th grade math last question!**

#11 The coordinate of rectangle ABCD are given. Find the coordinates of its image after a dilation with the scale factor of 2. A (2,4) B (-3, -1) C (0,9) D (6,-4) I DESPERATELY NEED HELP WITH THIS QUESTION IT ISN'T MULTIPLE CHOICE SOMEONE HELP PLEASE!!!!
*November 5, 2012 by Delilah*

**4th garde math**

J.T. shaded 3/5 of a rectangle. Mary shaded 4/12 of a congruent rectangle. who shaded more. how do you know
*March 4, 2014 by mythreyee*

**Geometry**

4. Use formulas to find the lateral area and surface area of the given prism. Round your answer to the nearest whole number. The figure is not drawn to scale. 9.49m, 37m, 9m, 3m 795m2; 809m2 758m2; 849m2 795m2; 822m2 758m2; 822m2
*May 13, 2016 by Becky*

**Math**

Harry planned a rectangular garden that was 40 feet long and 10 feet wide 1.What was the perimeter,in feet,of the garden that Harry planned? 2.What was the area,in square feet,of the garden that Harry planned? 3.Suppose Harry decided to change the shape of his garden to a ...
*April 11, 2011 by Frances*

**Math**

Mr. Brown needs to buy some fencing for his garden (too many rabbits have been getting in and eating the vegetables). If his garden is twenty-three meters by thirty-four meters and is in the shape of a rectangle, what length of fence does he need to build?
*February 8, 2013 by Isabel*

**math**

You have just built a swimming pool measuring 12 feet width by 28 feet length and 12.5 feet depth. how much water will it take to fill it to a depth of 8 ft
*November 23, 2010 by Carolann*

**math**

A computer monitor is 20 inches wide. The aspect ratio, which is the ratio of the width of the screen to the height of the screen, is 16:9. What is the length diagonal of the screen, to the nearest whole inch.
*November 27, 2015 by kudu*

**PreCalc**

A crate has a heigth of 6 feet. The sum of the areas of all 6 sides of the crate is 40 square feet. Express the length l of the crate in terms of the width w (i.e. write l as a function of w).
*February 16, 2016 by Jillian*

**Math**

The area A of a triangle is given by the formula A=1/2bh If the base of the triangle with height 12 inches is doubled, its area will be increased by 48 square inches. Find the base of the orignial triangle.
*February 10, 2010 by Colin*

**Math**

The area A of a triangle is given by the formula A=1/2bh If the base of the triangle with height 12 inches is doubled, its area will be increased by 48 square inches. Find the base of the orignial triangle.
*February 10, 2010 by Colin*

**grade 6 math**

The shorter side of a rectangle is 20 m. Decreasing the longer side by 30 cm reduces the perimeter by one half. How long are the longer sides of the original rectangle? Explain the reasoning.
*March 2, 2009 by vana*

**Math**

List all of the quadrilaterals with exactly one pair of parallel sides. A. Parallelogram;trapezoid B. Rhombus;parallelogram;rectangle C. Trapezoid D. Rhombas;square;rectangle Is the answer B? Thank you
*January 19, 2015 by Callie*

**Grade 8 Math**

A garden will be made up of a parallelogram, a rectangle and a triangle. The garden must have an area of 500m2. Draw two possible gardens. Determine the dimensions of each part of the garden, and justify your choice of these dimensions.
*November 23, 2013 by Robel Taame*

**math**

the perimeter of a dog park is 156 ft. If the length of the park is 2 ft. less than 3 times the width, what are the dimensions of the dog park?
*October 21, 2012 by reba*

**math**

the distance around a rectangular field is 340 yards. if the length of the field is 1120 yards, what is the width in yards?
*May 29, 2013 by name*

**Math**

the length of a rectangular garden is 5 meters more than 3 times its width. The perimeter of the garden is 74 meters. What are the dimensions of the garden?
*September 30, 2013 by Evelyn*

**Math**

* Which is performing more efficiently? A car getting 12 km per liter of gas or one getting 25 miles per hour? * _______ hectares (ha) = 65,000 square meters (sq m) (EXACT answer) * 1200 grams = ________ pounds * A cubic centimeter is : A cube with an area of 1 sq cm A cube ...
*March 7, 2008 by Mike*

**Math**

Please help me with this home work Triangle ABC ~ Triangle ADE AD=5; DB=3.5; BC=5.1; AE=6; EC=x What is the length of AB? What is the length of DE? Write an expression that represents AC? What is the length of EC? What is the length of AC? Thank you
*November 11, 2015 by Kenny*

**Geomatry**

John’s backyard is shaped like a rectangle as shown below. The entire yard is grass, except for a 60 foot by 30 foot rectangular swimming pool. NA What is the area of the yard that is grass?
*March 22, 2011 by trina*

**intermediate algebra**

Find two algebraic expressions for the area of each figure. First, regard the figure as one large rectangle, and then regard the figure the figure as a sum of four smaller rectangles t,5,t,3
*July 12, 2011 by swirl swirl*

**Re: Physics/Math**

Calculate the ratio of the drag force on a passenger jet flying with a speed of 750 km/h at an altitude of 10 km to the drag force on a prop-driven transport flying at one-fifth the speed and half the altitude of the jet. At 10 km the density of air is 0.38 kg/m3 and at 5.0 km...
*February 10, 2007 by COFFEE*

**physics(capacitors)**

A sheet of paper 40mm wide and (1.5 x 10^-2) thick is placed between a metal foil of the same width is used to make a 2.0 UF capacitor. If the dielctric constant(relative permitivity of the paper is 2.5 ,what length of paper is required?
*July 25, 2015 by benjamin*

**Geometry**

An isosceles right triangle has an area of 98cm squared. Find the length of each leg. The formula of finding the area of a triangle with one right angle is: (b x h)/2 You know that an isoceles triangles has two equal sides. Those equal sides are the base and height. This means...
*January 15, 2007 by gr8*

**maths**

Given is a quadrilateral ABCD,diagonals AC and BDare such that AO=BO=CO=DO=3cm,where Ois point of intersection of AC and BD then quadrilateral ABCD is a rectangle State true or false with reason
*January 6, 2013 by faizel*

**geometry**

The coordinates for a rhombus are given as (2a, 0), (0, 2b), (–2a, 0), and (0, –2b). Write a plan to prove that the midpoints of the sides of a rhombus determine a rectangle using coordinate geometry. Be sure to include the formulas.
*January 8, 2013 by Anna*

**Math**

1. A gardener has 30 feet by 20 feet rectangular plot of ground. He wants to build a brick of walkway of uniform width on the border of the plot. If the gardener wants to have 400 square feet of ground left for planting, how wide should he build the walkway? 2. A rectangular ...
*August 11, 2014 by Annika*

**Physics**

A certain coiled wire with uneven windings has the property that to stretch it an amount s from its relaxed length requires a force that is given by , so its behavior is different from a normal spring. You suspend this device vertically, and its unstretched length is 19.0 cm. ...
*February 25, 2011 by Martha*

**Geomerty**

If the length of one side of a right triangle is known, the length of the other two sides with corresponding angles can be found. Answers: - only the hypotenuse can be found - this is not true -this is true only if the angles are given in radians What is the answer , please ...
*May 12, 2015 by Randy*

**geometry**

Open that link please please help me with my assignments 1. in the figure , the areas of traingle cef, triangle abe, triangle adf are 3,4, and 5 respectively. find the area of triangle aef 2. equialateral triangle abc has an area of square root of 3 and side of length 2. point...
*November 7, 2013 by BARBIE LEE *

**Geometry**

Given b is the midpoint of AC. AB=6x+7 and BC is 18x-4 what is the length of AB BC AC
*October 16, 2011 by Eddie*