The length of a rectangle is three centimeters less than the width. If the area of the rectangle is 54cm^2 , find the dimensions of the rectangle

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  1. Calculus

    A rectangle is bounded by the x-axis and the semicircle y=ã(25-x^2). Question is, what length and width should the rectangle have so that its area is a maximum, and what is the maxuimum area? Area= length*width = 2x*y= 2x*sqrt(25-x^2) Now, take that,

  2. maths

    the sides of a rectangle are given in centimeters up length 4x+3 down length x+ 6y,left width 3x+1 right width 4x-y. find x and y and area of the rectangle .solution 4x+3=x+6y . y=3x+3÷6 also 4x-y=3x+1.x=y+1

  3. Math 2

    The rectangle below has an area of 30k^3+6k^2 The width of the rectangle (in meters) is equal to the greatest common monomial factor of 30k^3 and 6k^2 What is the width and length of the rectangle? Width:6k^2 Length: I couldn't find the length I need to be

  4. Math

    Express the area A of a rectangle as a function of the width W if the length of the rectangle is twice its width. Area A of a rectangle is ____ The wording has me really confused all I know is A= L*W I

  5. Algebra world problem

    The length of a rectangle is 7 centimeters less than twice its width. Its area is 72 square meters. Find the dimensions of the rectangle.

  6. Math

    If the length of a rectangle is (2x-1)cm and its width is (x+3)cm. How do i write an expression in the form ax^2+bx+c for the area of the rectangle? Given that the area of the rectangle is 294cm^2, determine the value of x and state the dimensions of the

  7. Math asap

    2.David wants to build a pen for his goat. He wants the area of the pen to be 48 square feet. If the length and width of the pen are whole numbers, which of the following could be the perimeter of the pen? A.P = 26 ft B.P = 28 ft C.P = 30 ft D.P = 36 ft

  8. math

    the length of a rectangle is 23 centimeters less than five times its width. Its area is 42 square centimeters. Find the dimensions of the rectangle

  9. math

    A RECTANGLE HAS A WIDTH OF X CENTIMETERS AND A PERIMETER OF 8X CENTIMETERS. A SQUARE HAS SIDES OF LENGTH 1/4 THAT OF THE RECTANGLE A) FIND THE LENGTH OF THE RECTANGLE B) FIND THE PERIMETER OF THE SQUARE C) FIND HOW MANY CCENTIMETERS GREATER THE RECTANGLE

  10. algebra

    A rectangle has a length that is 10 less than 3 times the width. If the rectangle has an area of 8 square feet, what is the width of the rectangle. I have to find the answer in meters, some please give some assistance.

  11. Geometry

    The ratio of the width to the length of a rectangle is 4:5, If the area of the rectangle is 500 square centimeters, what is the length of the rectangle?

  12. Math

    The ratio of the length of a rectangle to the width of a rectangle is 5:2 if the link is 45 centimeters what is the width of the rectangle in centimeters

  13. math

    A rectangle is 3 times as long as it is wide, it's area is 108 square centimeters. What is the length? what is the width?

  14. 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?

  15. Algebra

    The rectangle shown has a perimeter of 118 cm and the given area. Its length is 4 more than four times its width. Write and solve a system of equations to find the dimensions of the rectangle. (rectangle has an area of 528 cm^2) The length of the rectangle

  16. math

    the length of a rectangle is 6 cm more than its width. the area is 11 cm squared. find the length and width. look at the post by anonymous at 8:55, it is almost the same as yours. Do it the same way. length= x+6 width=x x(x+6)=11 x^2 + ^x =11 x^2+6x-11=0

  17. Algebra

    The length of a rectangle is 8 centimeters less than three times its width. Its area is 35 square centimeters. Find the dimensions of the rectangle

  18. Algebra

    Solve each problem algebraically using two variables. The perimeter of a rectangle is 50 centimeters. The length is 9 centimeters more than the width. Find the length and the width of the rectangle

  19. math

    the width of a rectangle is 4cm and the length is 8 cm if both the width and the length are increased by equal measures, the area of the rectangle is increased by 64 cm 2. find the length and width of the larger rectangle

  20. Math

    The area of a rectangle is 20 square inches. The length of the rectangle is 1 inch longer than the width. What are the length and width of the rectangle?

  21. math

    the length of a rectangle is 8cm more than the width and its area is 172cm^2 .Find a) the width od the rectangle; b) the length of the diagonal of the rectangle, giving your answer correct to 2 decimal places

  22. Math

    The first question is this: Helen designs a rectangle with an area of 225 square units. Her rectangle is the largest rectangle (that is, with largest area) with whole-number side lengths that can be made from the perimeter of the rectangle. A. Whay are the

  23. Width of a square

    A rectangle has an area of 45 square centimeters and a length of 10 centimeters. What is the width of the rectangle? 55 centimeters 35 centimeters 4.5 centimeters 3.5 centimeters (my answer)

  24. math

    if the area of a rectangle is 30 square centimeters and the length is 6 centimeters,use the equation 30=6w to find the width w of the rectangle.I don't understand what would be the correct answer I think my aswer doesn't look correct.

  25. algebra

    The length of a rectangle is 3 more than twice the width. The area of the rectangle is 119 square inches. What are the dimensions of the rectangle? If x = the width of the rectangle, which of the following equations is used in the process of solving this

  26. Math Word Problem

    The length of a rectangle is twice the width. The area is 242 yd^2. Find the length and the width of the rectangle. The width would be? The length would be? I am not sure if I am to take 242 and sqrt it to give me 58,564 and then divide by 4 or what. I am

  27. Math

    For a constant area, the length of a rectangle varies inversely as its width. The length of a rectangle is 27 ft when the width is 10 ft. Find the width of a rectangle with the same area if the length is 18 ft.

  28. algebra

    The area of a rectangle is 21 square meters. Find the length and width of the rectangle if its length is 4 meters greater than its widith. using Area of a rectangle = (width)(Length)

  29. math

    a rectangle is twice as long as it is wide. if both of its dimensions are increased by 4m, its area is increased by 88m^2 find the dimensions of the original rectangle Original rectangle = w for width and 2w for length. Area = w x 2w Larger rectangle = w+4

  30. math algebra

    represent the given condition using a sing variable, x. The length and width of a rectangle whose length is 12 centimeters more than its width. the width of the rectangle is _____. The length of the rectangle is ____.

  31. Math

    The length of a rectangle is three centimeters less than the width. If the area of the rectangle is 54cm^2 , find the dimensions of the rectangle

  32. math

    The length of a rectangle is 4 times the width. The area is 900 square centimeters. Find the length and width of the rectangle

  33. math

    the length of a rectangle is 1 cm less than twice its width. the area is 28 cm squared. find the dimensions of the rectangle. Just translate the English into "math" "the length of a rectangle is 1 cm less than twice its width" l=2w-1 "the area is 28"

  34. calculus

    Find the length and width of a rectangle that has the given area and a minimum perimeter. Area: 8A square centimeters

  35. math

    the dimensions of a rectangle are such that its length is 3 inches more than its width. if the length were double and if the width were decreased by 1 inch, the area would be increased by 66inches ^2. What are the length and width of the rectangle?

  36. Algebra Homework, HELP!

    1) A rectangle has an area of 297 square inches and a width which is three inches less than four times the length. Find the length and the width of the rectangle. 2) Let x represent the length of the shorter leg in a right triangle. If the longer leg is 1

  37. math

    The length, l, of a rectangle is 2 feet less than three times the width, w, of the rectangle. The area of the rectangle is 481 square feet. Find the length and width of the rectangle. how do i work this problem out?

  38. maths

    the length of a rectangle is 3 less than 5 times its width. Write a simpified algebriac expression for the perimeter of a rectangle. If the rectangle width is tripled and its length is doubled,the perimeter of new rectangle is 92cm greater than the

  39. math

    The length of a rectangle is 4 centimeters less than twice its width. The perimeter of the rectangle is 34 cm. What are the dimensions of the rectangle

  40. coordinate algebra

    The area of a rectangle is found by multiplying the length by the width: A = lw. A certain rectangle has an area of x2 + 7x + 12. Factor the trinomial to find the length and width of the rectangle. In the form of a paragraph, describe the process necessary

  41. math

    A rectangle has an area of 90 square centimeters and a height of 12.5 centimeters. What is the length of the base? A. 7.2 centimeters B. 72 centimeters C. 112.5 centimeters D. 1125 centimeters my awnser is c

  42. MATH

    A RECTANGLE HAS A WIDTH OF X CENTIMETERS AND A PERIMETER OF 8X CENTIMETERS. A SQUARE HAS SIDES OF LENGTH 1/4 THAT OF THE RECTANGLE A) FIND THE LENGTH OF THE RECTANGLE B) FIND THE PERIMETER OF THE SQUARE C) FIND HOW MANY CCENTIMETERS GREATER THE RECTANGLE

  43. Math

    ABCD is a rectangle of area 72 square centimeters. The length of AD is 3 times the length of AE. BF= 8cm Find the width of the triangle

  44. Algebra

    the length of a rectangle is 5 centimeters more than twice its width. if the perimeter of the rectangle is 94 centimeters, what are the length and width of the rectangle?

  45. Mathematics

    The length of a rectangle is 3 centimeters less than four times it’s width. It’s area is 10 square centimeters. Find the dimensions of the rectangle.

  46. Math

    The length of a rectangle is 5 centimeters less than three times it's width . It's area is 12 square centimeters. Find the dimensions of the rectangle

  47. math

    The length of a rectangle is 5 times the width. The area is 720 square centimeters. Find the length and width of the rectangle.

  48. algebra

    the difference between the length and width of a rectangle is 5 centimeters. what is the length(the longer side) of the rectangle, if the perimeter is equal to 66 centimeters

  49. Algebra/geometry

    a rectangle has a width of 4 cm less than it's length. if a new rectangle is formed by increasing the width 5 cm and decreasing the length 3 cm, the area of this resulting rectangle is 177 cm squared. what are the dimensions of the original rectangle?

  50. math

    a rectangle is 4 times as long as it is wide. a second rectangle is 5 centimeters longer and 2 centimeters wider than the first. the area of the second rectangle is 530 square centimeters greater than the first. what are the dimensions of the original

  51. Algebra

    The dimensions of a rectangle are such that it's length is 9 in. more than its width. If the length were doubled and if the width were decreased by 4 in., the area would be increased by 110 in^2. What are the length and width of the rectangle?

  52. Math

    A rectangle is inscribed in a semi circle of radius 2, let x represent half the length of the rectangle. Write an expression for the area of the rectangle in terms of x. Well I know area=length X width. That's about all I know what to do though

  53. Math check please

    2 rectangles have equal areas determine the area of each rectangle then use this info to determine the perimeter. rectangle one: length of 2p + 3 width of 3.8 after my work i got p= 1.5 so the area is 14.4 and the perimeter is 19.6 is it correct? rectangle

  54. math

    the length of a rectangle is 3 yds more than twice it width and the area of the rectangle is 77yds find the dimensions of the rectangle the length and width

  55. Algebra

    How would I complete this problem? Geometry. The area of a rectangle of length x is given by 3x^2 + 5x. Find the width of the rectangle. I think the width is 3x+5 but not sure. Subjects Art Business Computers English Foreign Languages Health Home Economics

  56. Maths

    The area of a rectangle of width ycm is 140cm^2. If the width is reduced by 2cm, the length increases by 3cm, and the area decreases to 136cm^2 to form an equation that enables you to determine the value of Y and hence, find the diagonal of the original

  57. Algebra

    Can you please review to see if I am on the right track with this problem: The length of a rectangle is 2 centimeters less than two times the width of the rectangle. If the perimeter of the rectangle is 98 centimeters, what is the length of the rectangle?

  58. area

    Length: 18 cm Width: 4 cm This rectangle is similar to a rectangle with a length of 27 centimeters. What is the width of the larger rectangle? (You might need to draw a smaller rectangle) Label your answer with cm - PUT A SPACE between number and cm See

  59. mathematics

    The length of a rectangle is (3x + 2) centimeters and the width is (2x - 4) centimeters. What is the area of the rectangle?

  60. basic geometric

    10. a rectangle has width the same as a side of a square whose perimeter is 20m. the length of the rectangle is 9m. find the perimeter of this rectangle. 34. The width of a rectangular picture is one-half the length. The perimeter of the rectangle is 72

  61. mat117/algebra

    The area of a rectangle of length x is given by 3x^2 + 5x. Find the width of the rectangle. Show me the formula and how to use it please. area= length times width 3x^2 + 5x = x * width divide both sides by x, then you have width.

  62. pre-algebra

    The width of a rectangle is 30 centimeters. Find all possible values for the length of the rectangle if the perimeter is at least 768 centimeters.

  63. algebra

    The perimeter of a rectangle is 90 centimeters. If the length is double the size of the width, what is the area?

  64. algebra

    1. What must be added to p to produce q? 2. What is the perimeter of the rectangle if the length is 2x-3y and the width is x+2y? What is the area? 3. What must be subtracted to 7y to leave -5y+2z? 1. q = 1 - p 2. Perimeter of rectangle = 2 length + 2

  65. Math

    The length of a rectangle is 14 centimeters less than twice its width. The perimeter of the rectangle is 62cm. What are the dimensions of the rectangle? Here is what I did: P=2L+2W 62=2(14-W)+2W 62=28-W+2W 28-28 ------------ 34=-W+2W +W +W ------------

  66. math

    The length of a rectangle is 5 cm more than twice its width. This is shown in the diagram below. If the perimeter of the rectangle is 232 cm, how long is the length of the rectangle, in centimeters?

  67. 8th Grade Algebra

    Find each product. { this means the square root sign. 1. (3+2{20)(5+3{45) 2. The length and width of the rectangle are x-5 and 2x-6 a. Write a trinomial that represents that area of the rectangle. b. What is the smallest integer value of x that will give

  68. ALGEBRA

    THE LENGTH OF THE RECTANGLE EXCEEDS ITS WIDTH BY 3 CM. IF THE LENGTH AND WIDTH OF EACH INCREASED BY 2 CM, THEN THE AREA OF NEW RECTANGLE WILL BE 70 SQ. CM MORE THAN THAT OF THE GIVEN RECTANGLE. FIND THE LENGTH AND WIDTH OF THE GIVEN RECTANGLE.

  69. Math

    1. The length of a rectangle is 6 inches longer than thrice its width. The area of the rectangle is 57 square inches. Write a quadratic equation for the area of the floor in terms of x. Find the length and width of the rectangle. 2. If 1,500 ft of fencing

  70. Math-Algebra

    1. What is the base of a triangle if its area is represented by 3z^2+ √5z mm^2 and its height is z − √3 mm? 2. What will happen to the area of a rectangle if you do the follo+wing? a. multiply the length by 2 and use the same width b. multiply the

  71. algebra

    a rectangle is 4 times as long as it is wide. a second triangle is 5 centimeters longer and 2 centimeters wider than the first. the area of the second rectangle is 270 square centimeters greather than the first. what are the dimensions of the original

  72. math

    Solve each system of equations by graphing. Check each solution. The perimeter of a rectangle is 24 ft. Its length is five times its width. Let x be the length and y be the width. What is the area of the rectangle?

  73. Algebra

    Please help me with this Algebra problem: The length of a rectangle is 91 less than six times the width of the rectangle. If the perimeter of the rectangle is 84 centimeters, what is the length of the rectangle? Write a system of equations for this

  74. math

    A rectangle has a length of 8 and a width of 3, two squares with sides equal to the width of the rectangle are placed in the rectangle. What is the area of each square? a. 9 b. 16 c. 20 e. 25 f. 49 please answer and explain

  75. Math

    The combined area of a square and a rectangle is 124 square centimeters. The width of the rectangle is 4 centimeters more than the length of a side of the square, and the length of the rectangle is 2 centimeters more than its width. Find the dimensions of

  76. math

    the length of a triangle is 7 centimeters less than twice the width. if the area of the rectangle is 165 square centimeters, find the length and width.

  77. Algebra

    The length of a rectangle is 4 centimeters less than its width. What are the dimensions of the rectangle if its area is 117 square​ centimeters?

  78. math117

    The area of a rectangle of length x is given by 3x2 +5x. Find the width of the rectangle. The area of a rectangle with width t is given by 33t - t 2. Factor the expression and determine the length of the rectangle in terms of t length times width=area, so

  79. Math

    The area of a rectangle is shown below The area of the rectangle is 56 Which of the following are possible values for the length and width of the rectangle? A.length=6cm and width=9cm B.length=7cm and width=8cm C.length=14cm and width=14cm D.Length=28cm

  80. algebra help please

    The area of a rectangle of length x is given by 3x^2+5x find the width of the rectangle a=l*w =x*(3x+5) I stoped here I am not sure if I am correct i was taken the 3x+5 as the width and x as the length but i am not sure if the 3x+5 should be the area and

  81. math

    Find the dimensions of a rectangle having an area of 10 square centimeters and whose width is 3 centimeters less that its length.

  82. algebra , help

    Can someone help me set up the equations thanks. Directions: Solve each of the following applications. Give all answers to the nearest thousandth. Problem: Geometry. The length of a rectangle is 1 cm longer than its width. If the diagonal of the rectangle

  83. pre-algebra

    Can you help me figure this? The area of a rectangle is 14 square meters. Find the length and width of the rectangle if it's length is 5 meters greater than its width. Use an equation and the formula for the area of a rectangle=(width)(length). Thank you.

  84. math check

    a rectangle has an area of 319 square centimeters, and a length of 11 centimeters. what is its width? 319-22 =298 widths

  85. math

    The length of a rectangle is 5 in. more than twice its width.? How do I find the width of the rectangle. The length = (2 x width) + 5 inches. Do you have any other information about the rectangle such as the area or the perimeter. I don't think there is

  86. Math Algebra

    Solve algebraically using only variable: The length of a rectangle is two less than three times its width. If the area of the rectangle is 65, find the length and the width. (The area of a rectangle is equal to its length times its width.

  87. Algebra

    Solve algebraically using only variable: The length of a rectangle is two less than three times its width. If the area of the rectangle is 65, find the length and the width. (The area of a rectangle is equal to its length times its width.

  88. math

    The dimensions of a rectangle are such that its length is 3 in. more than its width. If the length were doubled and if the width were decreased by 1 ​in., the area would be increased by 176 in.squared. What are the length and width of the​ rectangle?

  89. Quadratic Equation

    The dimensions of a rectangle are such that its length is 3 in. more than its width. If the length were doubled and if the width were decreased by 1in., the area would be increased by 150 in.^2. What are the length and width of the rectangle?

  90. 8th Grade Algebra: Radicals

    Find each product. { this means the square root sign. 1. (3+2{20)(5+3{45) 2. The length and width of the rectangle are x-5 and 2x-6 a. Write a trinomial that represents that area of the rectangle. b. What is the smallest integer value of x that will give

  91. MATH

    THE LENGTH OF A RECTANGLE IS 3M MORE THAN 2 TIMES ITS WIDTH. IF THE AREA IF THE RECTANGLE IS 99CM^2, FIND THE DIMENSIONS OF THE RECTANGLE TO THE NEAREST THOUSANDTH. If L = length and W = width, L = 2W + 3 and LW = 99 Substitute and solve for either L or W.

  92. math

    Recognize that rectangles that have the same area can have different perimenters. Do rectangles with the same area necessarily have the same perimeter?Give an example to support your answer. How I would handle this is to first look at the formula.

  93. Algebra word problems

    The area of a rectangle is found by multiplying the length by the width: A=lw. A certain rectangle has an area os x^2+7x +12. Factor the trinomial to find the length ad width of the rectagle. Please read at this site:

  94. algebra

    the dimensions of a rectangle are such that its length is 5 in more than its width. If the length were doubled and the width were decreases by 2 in, the area would be increased 136 in^2,what are the length and width of the rectangle

  95. math

    The length of a rectangle is 5 centimeters greater than the width. The perimeter is 70 centimeters. What is the length? What is the width?

  96. math

    The perimeter of a rectagle is 50 centimeters. The length of the rectangle is one more than 3 times the width of the rectangle. What are the demensions of the rectangle?

  97. lively

    Suppose that the width of a certain rectangle is three-fourths of its length, and the area of that same rectangle is 108 square meters. Find the length and the width of the rectangle If you put the correct subject in the subject line, you're likely to get

  98. basic geometry

    A rectangle has width the same asa a side of a square whose perimeter is 20m.the length of the rectangle is 9m. Find the perimeter of this rectangle. 34. The with of a rectangular picture is on-half the length . The perimeter of the rectangle is 72inches.

  99. calculus

    the base of a triangle is 2 cm shorter than the width of a rectangle. The rectangle's length is 4 times its width and the triangle's height is the same as the rectangle's length. find the area of both figures if the difference of the two areas is 30cm2

  100. math 117

    A rectangle has an area of (a^2+4a+4) square inches, and you know that the width is (a+2) inches. You can use long division to determine the length of the box. area = length * width, length = area/width I got this as my answer The length is going to be a+2

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