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September 2, 2014

Search: the width of a rectangle is 3 ft less than the length. The area is 4

Number of results: 29,772

Algebra
The length of a rectangle is twice the width. The area is 578 yd.^2. Find the length and width.
November 21, 2011 by Kelly

math
If the area of a rectangle is 84 square inches.How do i find its length and width? Length is (x+3) width is (x-2).
November 1, 2012 by Michael

math ,correction
Directions: Solve each of the following problems. Be sure to show the equation used for the solution. The length of a rectangle is 2in. more than twice its width. If the perimeter of the rectangle is 34 in., find the dimensions of the rectangle. Let L = length and W = width. L...
February 5, 2007 by jasmine20

5th grade math
The length of a rectangle is a multiple of 5in. The width is 4.8 in. The area is between 80in.2 and 100in.2 What is the length of the rectangle? I an really confused on this problem! Please help & explain. thanks
February 24, 2010 by Meghan

math-word problems with quadratics
I have 5 questions... 1) The sum of two numbers is 12. Their product is 36. Find the two numbers. 2) The sum of two numbers is -15. Their product is -100. Find the two numbers. 3) The sum of two numbers is -8. Their product is 12. Find the two numbers. 4) The length of a ...
May 1, 2007 by Dakota

math
The length of a rectangle is three times its width. If the area of the rectangle is 48, what is its length?
December 6, 2013 by kim

Math
The area of a square mirror is 256 in squared. A rectangle mirror has a width the same as the square mirror width. Its length is 2 in longer than its width. What is the area of the rectangle mirror?
August 28, 2013 by Anonymous

Math
The area of a square mirror is 256 in squared. A rectangle mirror has a width the same as the square mirror width. Its length is 2 in longer than its width. What is the area of the rectangle mirror?
August 28, 2013 by Rylie

Math help please
1. The ordered pairs (0, 1), (1, 4), (2, 16), (3, 64), and (4, 256) represent a function. What is a rule that represents this function? y = 4^x y = 4x y = x^4 y = x + 4 2. Consider the relationship between the height of a tree and time. Time would be considered which of the ...
November 22, 2013 by Charlotte

algebra
The length of a rectangle is 5 inches longer than its width. Its perimeter is 45 inches. Let w equal the width of the rectangle. Write an expression for the length in terms of the width. Use expressions for the length and width to write an equation for the perimeter, on the ...
January 19, 2012 by james

MATH0098
The length of a rectangle is 3ft more than twice its width, and the area of the rectangle is 54ft^2 . Find the dimensions of the rectangle. The other problem worked but how do you SOLVE it. I need to be able to do similar problems. I know the factors multiply to get the area ...
February 27, 2013 by Anonymous

Algebra 1
Okay one last one that I've spent all night truing to figue out. 2. The width of a rectangle is 6 cm longer than its length. Its perimeter is more than 36 cm. Let l equal the length of the rectangle. a. for the width in terms of the length. W= l + 6= <36 b. Write an ...
January 11, 2013 by Miranda

Math
Length of a rectangle is 5 cm less than twice its width. The perimeter of the rectangle is 26 cm
October 1, 2013 by John

geometry
If the length of a rectangle is twice its width, w, write an expression to represent the perimeter of the rectangle. If the perimeter of the rectangle is 72 inches, what is the length and width of the rectangle?
September 6, 2011 by Maddie

alegbra1
The length of a rectangle is twice the width. If the length is increased by 4 inches and the width is decreased by 1 inch, a new rectangle is formed whose perimeter is 198 inches. Find the dimensions of the original rectangle.
October 19, 2007 by anonymous

6th grade/math
I dont understand can you help me? Alicia has made a rectangle using 24 square tiles. If she adds the length and width of her rectangle together, she gets 11. What is the length and width of Alicia's rectangle?
September 10, 2010 by Lexi

Calculus
The length of rectangle is increasing at a rate of 8cm/s and its width is increasing at a rate of 3cm/s. When the length is 20cm and the width is 10cm, how fast is the area of the rectangle increasing?
October 11, 2012 by Chelle

math,algebra
Can someone help me just to do the setup of this the two equations. I can do the rest is just the step up THAT I AM HAVING DIFFICULTY. The length of a rectangle is 2in. more than twice its width. If the perimeter of the rectangle is 52in. wHAT IS THE LENGTH AND WIDTH OF THE ...
April 12, 2007 by jasort120

Geometry
The length of a rectangle is 1cm longer than its width. If the diagonal of the rectangle is 4cm, what are the dimensions(the length and the width)of the rectangle? L=W-1 Diagonal = sqrt(L^2 + W^2) substitutuet for L in the second equation, solve for W.
June 9, 2007 by Audrey

math
The length of a rectangle is 7 cm longer than the width. The perimeter is no less than 38 cm. Find the smallest possible dimensions of the rectangle.
July 15, 2013 by vinci

Algebra 1
This is a five step problem: The width of a rectangle is 6 cm less than the length. A second rectangle, with a perimeter of 54 cm, is 3 cm wider and 2 cm shorter than the first. What are the dimensions of each rectangle. I just don't understand how to write the equation, if ...
November 15, 2007 by Elizabeth

algebra 1
the width of a rectangle is 3 less than twice the length x. if the area of the rectangle is 43 square feet, which equation can b e used to find the length in feet. f. 2x(x-3)=43 g. x(3-2x)=43 h.2x+2(2x-3)=43 g. x(2x-3)=43 is it f. 2. sasha and lakeisha went to the shopping ...
April 14, 2014 by angela

Algebra
How do you calculate the area of a rectangle. area of a rectangle is length x width.
August 19, 2007 by Joshua

ALGEBRA WORD PROBLEM! HELP!
And if a length of a rectangle is 3 more than twice the width and the are is 90 cm squared than what are the dimensions of the rectangle? The width of the rectangle is 43.5 and the length of the rectangle is 87. All together when you add it up it will make 90 cm squared. If ...
January 23, 2007 by Judy

Math (Algebra)
The width of a rectangle is fixed at 7cm. Determine (in terms of an inequality) those lenghts for which the area will be less than 161cm squared. The length must be less than ? cm. (simplify your answer) The solution is {L l L < ? cm.} (simplify your answer)
September 24, 2009 by Lola

math
the width of a rectangle is one half its length. the perimeter of the rectangle is 54cm. what are the width and length of the rectangle.
August 27, 2010 by jennifer

math
Find the dimensions of a rectangle having an area of 10 square centimeters and whose width is 3 centimeters less that its length.
December 17, 2012 by LP

Math. fast please!
The length of a rectangle is 3 cm and the width is 2 cm. find the length of the diagonal. Is there a formula to do this? The length of a rectangle is 3 cm and the width is 2 cm. find the length of the diagonal. Is there a formula to do this? The diagonal D and each pair of ...
June 1, 2007 by Emily

math
Suppose that the width of a rectangle is 5 inches shorter than the length and that the perimeter of the rectangle is 50 inches. The formula for the perimeter of a rectangle is P=2L+2W. a) Set up an equation for the perimeter involving only L, the length of the rectangle. B) ...
May 11, 2010 by tasha

Math-II
Rectangle A and B are similar. The ratio of rectangle B's width to rectangle A's width is 3:2. Rectangle A has a length of 24 inches and a width of 16 inches. What is the perimeter of rectangle B?
November 19, 2012 by jezzaD.

Math Symbols
Let "p" represent 'the area of rectangle ABCD is 50 square inches'. Let "q" represent 'the perimeter of rectangle ABCD is 30 inches'. Let "r" represent "the length of rectangle ABCD is twice the width" My question: use symbols to represent the collowing conjunction: The area ...
August 21, 2006 by Kasey

math
A rectangle has a perimeter of 24 and an area of 35 square feet. What is the length and width of the rectangle?
February 23, 2011 by Jess

algebra
The length of a rectangle is 3x + 4/4x^2-4 and and the width is8x − 8/6 the area of the rectangle is a)1 b)2 c)x+1/x-1 d)4 please help!
October 2, 2011 by tina

math
The area of a rectangle is 24 m2. The length of this rectangle is 6 m. Which equation could be used to determine the width, w?
January 20, 2012 by alexis

Algebra
The area of a rectangle is 48 square cm. If the length is 8 cm greater than the width, what are the dimension of the rectangle?
May 26, 2012 by Vilma

Algebra
A rectangle was 25 cm longer than it was wide. A new rectangle was formed by decreasing the length by 6 cm and decreasing the width by 5 cm. The area of the new rectangle was 585 cm squared. Find the dimensions of the original rectangle.
January 29, 2013 by Joseph

math
help !! the area of a rectangle is 56 square inches. the width of the rectangle is 7 in. what is the length??
March 30, 2011 by santos

Math
Area of a rectangle represented by x^2+3x.find length and width of the rectangle
November 8, 2013 by Kirandeep

Math
The area of a rectangle is 32 in.≤ the length is twice the width. what is the perimeter of the rectangle?
March 2, 2014 by Abby

Algebra
A rectangle has an area given by A=x^2+7x+2. Find expressions for the possible length and width of the rectangle.
February 16, 2010 by Kristen

Math
If the length of a rectangle is increased by 120%, and its width is decreased by 20%, what happens to the area of the rectangle.
July 19, 2010 by Pauline

Algebra II
A rectangleís length is one greater than its width and its area is 30 in2. What are the dimensions of the rectangle?
July 2, 2011 by David

Math
The length of a rectangle is 2 more than twice its width. If the area of the rectangle is 24 sq. m., find its dimensions.
July 27, 2012 by Bianca

Algebra I
The expression 2(l+w) may be used to find the perimeter of a rectangle. What are the length and width of a rectangle if the area is 13 1/2 square units and the length of one side is 1/5 the measure of the perimeter?
August 29, 2010 by Dev

algebra
The width of a rectangle is three fourths the length. The perimeter of the rectangle becomes 50 cm when the length and the width are each increased by 2cm. Find the length and the width. Draw a diagram and convince yourself that the perimeter P=2(L+W) We're told that W=(3/4)L...
September 19, 2006 by summer

Help please? Math!
Let W repersent the width of a rectangle, the length if 7cm more than the width. I have to write the answer in a algebraic expression, but I don't know how too Here is the question: 1. 7cm less than twice the width?
September 15, 2010 by Not putting it

Math
A) A rectangle has perimeter 64 cm and area 23 cm^2. Solve the following system of equations to find the rectangle's dimensions. length=23/width length + width = 32 B) Solve the system of equations x^2+y^2=1 xy=0.5
June 7, 2009 by Christine

Geometry
A rectangle has area and length. Find the width. Area=27t^2-18t Length= 9t How do I find the width?
September 4, 2013 by Court

Algebra
A rectangle has a width of 2(square root of 5)and an area of 50 cm^2. Find the length of the rectangle. Does anyone know how to explain this problem?
April 1, 2008 by Casey

Math
The length of a rectangle is 8 cm greater than its width. Find the dimensions of the rectangle if its area is 105 cm. How do I solve?
December 4, 2008 by Maxie

Math
The length of a rectangle is twice its width if the area of the rectangle is 200 m squared, find its perimeter.
January 17, 2011 by Joseph

Algebra
The length of a rectangle is six times its width. If the perimeter of the rectangle is 140ft, find its area.
April 21, 2011 by Shay

Algebra
The length of a rectangle is three times its width. If the area of the rectangle is 300cm, find its perimeter.
April 21, 2011 by Shay

Algerbra
The area of a rectangle is 243cm^2. The length is three times greater than the width. What are the dimensions of the rectangle?
October 2, 2011 by Leigh

Algebra
length of a rectangle is 5y more than twice its width and area of the rectangle is 42 yards ^2, find the dimensions
November 19, 2012 by Brian

GeOmEtRy!!!
The area of a rectangle is (6x^2)^2y^3 and the width is 9xy^2. What is the length of the rectangle?
February 23, 2012 by VERONICA

caculus
A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola y=11-x^2. What are the dimensions of such a rectangle with the greatest possible area? Width=? Height=? Area= height*width=y(2x) Area=(11-x^2)(2x) solve for dArea/dx, set to zero, solve ...
May 19, 2007 by jimmy

math
The length of a rectangle is three times the length of a side of a square and the width of the rectangle is two less than the side of the square. If the perimeter of the rectangle is twenty eight more than the perimeter of the square, find the length of a side of the square...
July 30, 2013 by vincent

math
the area of a certain rectangle is 288 yd squared. the perimeter is 68 yards. f you double the length and width what will be the area and perimeter of the new rectangle
January 6, 2011 by Anonymous

MATH
the area of a certain rectangle is 288yd squared. the perimeter is 68yd. if you double the length and width,what will be the area and perimeter of the new rectangle?
May 9, 2013 by DANNY

algebra II
The length of a rectangle is three more than twice its width. The area is 65 m2. What is its width?
July 3, 2011 by Nicole

algebra II
The length of a rectangle is three more than twice its width. The area is 65 m^2. What is its width?
July 3, 2011 by Sean

Geometry
The area of a rectangle is 25. The lenght is 1/2 of the width. Please help me solve for length and width.
August 24, 2014 by Sue

Math (2nd Try)
A rectangle has a length of 6x^3 y^2 - 1 and a width of 3xy + 2. The formula for the perimeter of a rectangle is P=2l + 2w, where l is the length and w is the width. What is the perimeter of the rectangle? Simplify your answer.
March 1, 2013 by Jane

Math 208
Rectangle Dimensions: The length of a rectangle is 7 inches longer than the width. If the perimeter of the rectangle is 62 inches, find the measures of the length and width.
March 3, 2013 by Teresa

math
2 rectangles are similar. Which is a correct proprtion for corresponding sides? For one rectangle, the length is 12 and the width is 4. The other rectangle has 8 as the width and x as the length. I think it's 4/12=x/8. Is this right?
November 23, 2007 by keisha

algebra
The area of a rectangle is 72 in^2. The width is 6 inches greater than the length. Which expression represents? the width? a) w = 1 * 6 b) w = 1 + 6 c) w = 1 - 6 d) w = 6 - 1
June 3, 2010 by kim

math
the area of a rectangle is 60cm.the length is 11cm more than the width. find the width.
November 1, 2010 by sophie

College Algebra
Suppose that the length of a rectangle is 3 inches longer than the width and that the perimeter of the rectangle is 78. Set up an equation involving only W, the width of the rectangle.
June 16, 2008 by Nina

Math
The area of a certain rectangle is 288 yd2 the perimeter is 68 yd. if you double the length and the width what will be the area and perimeter of a new rectangle?
March 7, 2013 by Manny

math
The length of a rectangle is four times its width. If the perimeter of the rectangle is 50cm. find its area. how do i set this up?
October 1, 2009 by dan

math
the length of a rectangle is 5cm longer than its width and its area is 66cm square. find the perimeter of the rectangle
February 4, 2013 by ken

math
The length of a rectangle is 5 in. more than twice its width.? How do I find the width of the rectangle. duplicate post Divide the length by 2 it's going to be a decimal
July 26, 2006 by Diana

math
the length of a rectangle is 7 times as long as its width. if the perimeter is 72 meters what is the length and width of the rectangle? please show how to set up eqaution.
October 31, 2010 by gmoney

Math Word Problem
A. The number of people working on a certain job varies inversely as the number of days needed to finsih the job. If it takes 10 carpenters to finish a house in 8 days, in how many days will 4 carpenters finish it? B. The length of a rectangle with a constant area varies ...
November 25, 2013 by Jean Marie

Math
The length of a rectangle is twice the width. The area is 18yrd squared. Find the lenght and the width.
October 5, 2009 by Rmz

algebra 2
The length and width of a rectangle are in the ratio of 5:12. If the rectangle has an area of 240 square centimeters, what is the length, in centimeters, of its diagonal?
July 22, 2010 by jenny

math
if a playground is a rectangle that is enclosed by a exactly 140 ft of fence and the width is ten ft shorter then its length what is the width and length of the rectangle
November 23, 2010 by emily gibbs

algebra
the length of a rectangle is twice it's width. if it's length is decreased by 3 cm , and it's width is increased by 5 cm the result will be a square , then the perimeter of this rectangle will equal ...... cm
April 22, 2012 by Amr

Essential Mathematics 2
The length and width of a given rectangle are 6 feet and 5 feet. What is the perimeter of the rectangle? What is the area of the rectangle?
April 3, 2011 by DestinyLashea

math models
the length of a rectangle is 8 inches more than its width. the perimeter of the rectangle is 24inches. what are the lenth and width of the rectangle?
October 7, 2011 by woshs

pre calc
The length of a rectangle is three times its width. If the area of the rectangle is 45 ayrds squared , find its perimeter.
August 4, 2011 by manny

Algebra 8th grade
The length of a rectangle is twice its width. If the area is 30 square units, find the dimensions of the rectangle.
August 22, 2012 by Anonymous

Algebra
The length of a rectangle is one unit more than its width. If the area is 30 square units, find the dimensions of the rectangle.
August 22, 2012 by Anonymous

Math
The area of certain rectangle is 288 yd. the perimeter is 68 yd. if you double the length and width, what will be the area and perimeter of the new rectangle.
January 23, 2013 by Jake

gr10 math
The length of a rectangle is 2cm more than the width. The area is 24cm^2. What are the dimensions of the rectangle? Let x be the width. Let x +2 be the the length. A = lw 24cm^2 = (x+2)x 24cm^2= x^2 + 2x 24cm^2 + x^2 = 2x 25cm^2 = 2x 25cm^2 /2 = 2x /2 12.5cm^2 = x l = x + 2 l...
May 31, 2011 by Rebecca

MATH!
The length of a triangle is twice the width. The area is 32 square units. Find the length and width. I have the length of the triangle=2x and the width=x... so would the equation be 2x(x)=32 OR NO? Assume the "length" is the height measured from some side we will call the "...
May 7, 2007 by megan

math 117
A garden area is 30 ft long and 20 ft wide. A path of uniform width is set around the edge. If the remaining garden area is 400 ft2, what is the width of the path? using the quadratic formula I did the following: Let x = distance between the inner rectangle and the outer ...
August 9, 2007 by Diana

Math
Find the Maximum area for the given perimeter of a rectangle. State the length and width of the rectangle. 28 inches Well, finally a calculus problem. Ok, we know that the area for a rectangle is A=l*w and the perimeter is P=2(l+w) In this problem P= 28, so let's express one ...
August 31, 2006 by l

maths
the length of a rectangle is twice its width, the area is 72sq inches,find its dimensions(find length and width)
August 2, 2012 by 4611star

Math
The length of a rectangle is 5ft longer than twice the width. If the perimeter is 106ft, find the length and the width of the rectangle.
June 24, 2014 by Amber

Math
The length and width of the field as a ratio of 11:7. The width is 20 meters less than the length. How many m2 is the area?
May 21, 2011 by Anna

ALGEBRA
Solve by setting up the proper equation to describe the facts given and then carrying out the mathematical calculations to solve for the unknown variable(s). The length of a rectangle is 3 times the width. The difference between the length and the width is 8 feet. Determine ...
July 5, 2012 by ALISON15

algebra
Rectangle Dimensions The length of a rectangle is 7 inches longer than the width. If the perimeter of the rectangle is 62 inches, find the measures of the length and width.
March 3, 2013 by annoymous

math
A rectangle has an area about 225m^2. the width is about 40m less than the length. Find the approximate dimensions of the playing surface. use factoring.
November 30, 2012 by claire

math please help
The length of a rectangle is 8 in. more than twice its width. If the perimeter of the rectangle is 34 in., find the width of the rectangle.is it 1. 2 in. 2. 3 in. 3. 4 in. 4. 5 in.
January 24, 2008 by Kara

Calculus
A rectangle is bounded by the x-axis and the semicircle y= Ā„(25-x^2). What length and width should the rectangle have so that the area is maximum? Place the semi-circle so it's center coincides with the origin. If you go a distance x to the right the max height is sqrt(25-x^2...
October 1, 2006 by Tezuka

algebra
a1. Simplify 5 + (7-1)2/6 A11 B41/6 C51/6 D7 E17/6 F23 b2. Simplify (26/2 + 33)/(23) A11/3 B5 C20/3 D8 E6 F131/8 f3. Simplify [7+2(5 - 9)2]/[(4+1)2 - 3(22)] A-23/2 B18/7 C-13 D9/4 E8/41 F3 e4. Simplify 36 Ė 2x[4(-3-2)] A36 - 28x B16 - 2x C76x D40x + 36 E-720x F36 + 8x c5. ...
September 10, 2010 by whitney

Math-Algebra
1. The length of a rectangle with a constant area varies inversely as its width. The length of this rectangle is 8in when its width is 3in. Find the length when the width is 4in. 2. The number of people working on a certain job varies inversely as the number of days needed to ...
November 24, 2013 by Mckenna Louise

Math
In the figure below, the diagonal line divides the rectangle into halves Which statement about the figure is NOT true? On the rectangle the width is 3cm and the length is 4cm. The line that divides the rectangle is 5cm F. The perimeter of the rectangle is 14cm G. The area of ...
January 30, 2012 by Andrew

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