# Determine the length and breadth of a rectangle if the length is 3cm less than twice the breadth, and the perimeter is 18

40,002 questions, page 13
1. ## Trig

The length of a rectangle is 142.9 in. If the diagonal makes an angle of 32.1o with this side, find the measure of the diagonal of the rectangle rounded to the nearest tenth of an inch. let x represent the diagonal.

asked by Anthony on May 3, 2017
2. ## TRIG

The length of a rectangle is 142.9 in. If the diagonal makes an angle of 32.1o with this side, find the measure of the diagonal of the rectangle rounded to the nearest tenth of an inch. let x represent the diagonal.

asked by Tony on May 2, 2017
3. ## math

A rectangle has a length of 6x+3 units and a width of 8 units. Write a simplified expression for the area, in square units, of this rectangle. So, my answer was 9x+8 please tell me is this correct... Thank you

asked by Mariam on April 8, 2015
4. ## math help

An engineer is required to survey a nonrectangluar plot of land but is unable to measure side UT directly. The followng data are taken; RU=130 meters, RS=12m ST=90m, angle RST=115, and angle RUT=100. Calculate the length of side UT and the area of the

asked by julie on January 12, 2008
5. ## math

an equilateral triangle has an altitude length of 36 feet. determine the length of a side of the triangle

asked by anonymous on December 13, 2011
6. ## physics

An object is placed 3cm in front of a diverging lens of focal length of 6cm. the heihgt of the object is 1.5 cm. calculate the image distance and height

asked by hunar on December 12, 2012
7. ## physics

An object of size 3cm is placed 14cm in front of a concave lens of focal length 21cm calculate position and size of the image?

asked by Zainab on November 22, 2015
8. ## Geometry

Two secants are drawn to a circle from an external point. The external secant length on the first secant is 12 and the internal segment length is 3x +1. The external secant length on the second secant is 15 and the two internal segment length is 3x-1.

asked by Carolina on May 29, 2011
9. ## physics

A steel rod of length 4 m is welded to the end of an aluminum rod of length 3 m (lengths measured at 23 °C). The combination rod is then heated to 198 °C. What is the length of the combination rod at 198 °C? (The linear expansion coefficients for steel

asked by sima on April 4, 2012
10. ## geometry

the length of a rectangle is half the width. The perimeter is 86 ft find the width of the rectangle

asked by Anonymous on August 12, 2010
11. ## pre-algebra

the length of a rectangle is 10 inches more than its width. what are the dimensions of the rectangle if its perimeter is 80 inches?

asked by andrew on February 11, 2011
12. ## Geometry

What is the area of a rectangle with a length of 8 inches is 48 square inches. what is the perimeterof the rectangle?

asked by Angel on September 23, 2011
13. ## math

a rectangle has a length of 10 3/16 inches and a width of 6 7/8 inches. nwhat is the perimeter of the rectangle

asked by dee on May 29, 2013
14. ## Math

A rectangle has a width if 10 inches and an area of 5 square inches. What is the length of the rectangle?

asked by Jacob on October 8, 2007
15. ## math

The sides of a rectangle are in a ratio. What is the length of the shorter sides of the rectangle if its perimeter is 42 cm?

asked by Anonymous on April 3, 2013
16. ## math

If the width of a rectangle is 6 inches and its perimeters is 38 inches find the length of the rectangle?

asked by Anonymous on May 19, 2013
17. ## Solving Geometry Formulas

The perimeter of a rectangle is 56 meters. If the width of the rectangle is 7 meters, find the length.

asked by Anna on July 28, 2015
18. ## geometry

what is the length of a rectangle AC=2(x-3) BD=(x+5)?

asked by pdog on May 1, 2012
19. ## math-algebra

How do you solve the following problems: What is the area of a square with the length of a side equaling 3a^5? I got (3a^5)(3a^5)=9a^10 is that correct?? What is the area of the rectangle with the width of 6x^2 and the length of 12x^3? I got 6*5^2=900;

asked by donutsforlifebruh on January 6, 2015
20. ## Math

There's a rectangle. On 1 side is 8 which is the Length side I have to find out how long the width side is. The whole perimeter has to equal 25 P=25 So if both length sides are 8 then that equals 16. Now I have to see how much both width sides are I did

asked by Connor on January 17, 2012
21. ## algebra

The length of a rectangle is 2 meters more than its width. If the area is 63 square meters, what are the length and width?

asked by Elisa on June 19, 2011
22. ## algreba

The perimeter of a rectangle is 56 inches. The length exceeds the width by 24 inches. What is the length and what is the width?

asked by vicki on August 8, 2010
23. ## math

the length of a rectangle is 7 feet more than the width. If the perimeter is 194 feet, what are the length and the width?

asked by joshylynn on March 7, 2017
24. ## algebra

The length of a rectangle is 2 meters more than its width. If the area is 35 square meters, what are the length and width?

asked by Shay on July 26, 2011
25. ## math

The length of a rectangle is 4 inches more than the width. The perimeter is 32 inches. Find the length and width.

asked by latesha on December 17, 2011
26. ## math

the base of a rectangle is twice the length of the heigth .If the heigth of the ractangle is h inches, what is the length of the base

asked by karla on November 11, 2009
27. ## algebra

The width of a rectangle is 2 feet less that the length. The area is 3 feet^2. Find the length and width.

asked by Scott on June 3, 2010
28. ## math

I am a rectangle one side length is 1.4 yards. My area is 9 square yards. What is the length of my other side?

asked by anonymous on April 28, 2013
29. ## 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?

asked by Anonymous on January 3, 2018
30. ## algebra

The length of a rectangle is 6 inches more than the width. If the perimeter is 176 inches, what are the length and the width?

asked by larry on October 16, 2016
31. ## calculus

A piece of elastic is attached to two nails on a flat board, with a button attached to the midpoint of the elastic. The ails are 5 cm apart. You stretch the elastic by pulling the button along the board i the direction that is perpendicular to the line

asked by Equihua on January 4, 2013
32. ## algebra

twice the length L of a rectangle is equal to 3 times its width W. Its perimeter is 120 cm. translate the English into math.. "twice the length L of a rectangle is equal to 3 times its width W" 2L = 3W "Its perimeter is 120 cm." 2L + 2W = 120 but 2L=3W so

asked by Carllll needs help on April 13, 2007
33. ## calc

1.A norman window is constructed by adjoining a semicircle to the top of an ordinary rectangular window find the dimensions of a Norman window of maximum area when the total permeter is 16ft. 2. A rectangle is bounded by the x axis and the semicircle

asked by Amber on July 8, 2017
34. ## maths

MR. x is invested a certain amount in debit and equity funds the ratio of 4:5 respectively,At the end of one year ,he earned a total dividend of 30% on his investment. After one year he reinvested the amount includeing dividend in the ratio 6:7 in debt and

asked by Avinash on June 26, 2013
35. ## GeOmEtRy!!!

which expression gives the area of the shaded region of the rectangle? shaded portion: length:r+4 width: r+8 unshaded portion: length: r width: r+2

asked by VeRoNiCa C. on January 17, 2012
36. ## physics

Air (a diatomic ideal gas) at 30.0°C and atmospheric pressure is drawn into a bicycle pump that has a cylinder with an inner diameter of 2.50 cm and length 70 cm. The down stroke adiabatically compresses the air, which reaches a gauge pressure of 800 kPa

asked by tom on October 23, 2008
37. ## physics

Air (a diatomic ideal gas) at 30.0°C and atmospheric pressure is drawn into a bicycle pump that has a cylinder with an inner diameter of 2.50 cm and length 70 cm. The down stroke adiabatically compresses the air, which reaches a gauge pressure of 800 kPa

asked by tom on October 23, 2008
38. ## physics

Air (a diatomic ideal gas) at 30.0°C and atmospheric pressure is drawn into a bicycle pump that has a cylinder with an inner diameter of 2.50 cm and length 70 cm. The down stroke adiabatically compresses the air, which reaches a gauge pressure of 800 kPa

asked by tom on October 23, 2008
39. ## physics

Air (a diatomic ideal gas) at 30.0°C and atmospheric pressure is drawn into a bicycle pump that has a cylinder with an inner diameter of 2.50 cm and length 70 cm. The down stroke adiabatically compresses the air, which reaches a gauge pressure of 800 kPa

asked by tom on October 23, 2008
40. ## Mahts

The perimeter of a field is 300m and its length is 100m. What is its breadth? P= (l + b)2 300=(100+b)2 300=100b X 2 300= 200b 300/200=b Is this is correct.

asked by Anonymous on May 12, 2014
41. ## maths

height=6 feet length=5 feet breadth=4 feet volume of the container=120 cubic feet how do you convert it into litres?

asked by help on March 23, 2011
42. ## Math

In the figure AB = 11cm, BC = 8cm, AD = 3cm, AC = 5cm and DAC is a right angle. (a) length DC; (b) the size of ADC; (c) the size of ACB; (d) the area of the quadrilateral ABCD.

asked by Kd on September 11, 2018
43. ## physics

calculate the image position and magnification for an object 3cm tall laced in front of mirror with a focal length of 12cm, if the object is placed at 2f... I got: di: 24cm and m=-1 please tell me if this is right.. thank you so much :)

asked by Cynthia on June 3, 2009
44. ## algebra

give the demensions of rectangles with the perimeters of 70 feet and length-to-width ratios of 3 to 4, 4 to 5, and 1 to 1. Ok, the perimeter is 70 and perimeter = 2(length + width) The ratio is length:with=3:4 so length = (3/4)width 70 = 2(length + width)

asked by christine on September 12, 2006
45. ## Math

The length of one leg of a right triangle is 8ft. The length of the hypothenuse is 2feet longer than the other leg. Find the length of the hypothenuse and the other leg. The length of the hypothenuse is _______ ft. The length of the other leg is

asked by Pam on February 20, 2014
46. ## math

the length of the hypotenuse of a right triangle is 15 ft. the length of one legs is 9 ft. find the length of the other leg. a) 6 ft b) 21 ft c) 12 ft d) 18 ft

asked by victoria on November 14, 2013
47. ## physics

If an observer is traveling parallel to a rod at twice the speed of the rod, what is does the observer perceive the length to be? Choose one answer. a. The length of the rod remains the same. b. The length of the rod will become twice its original value.

asked by ashley -- on April 30, 2011
48. ## physics

If an observer is traveling parallel to a rod at twice the speed of the rod, what is does the observer perceive the length to be? Choose one answer. a. The length of the rod remains the same. b. The length of the rod will become twice its original value.

asked by ashley -- on April 30, 2011
49. ## Circumference and Area of Circles

can someone help me with these:Find the radius, diameter and circumference of a circle with an area of 64 cm2. Write your answers as decimals rounded to the nearest hundredth. Find the circumference and area of a circle that has a rectangle inscribed

asked by mike on May 8, 2007
50. ## Math

The perimeter of a rectangle is 52 feet. The length is 2 feet shorter than three times the width. What is the area of the rectangle in square feet?

asked by Jazmynn on January 18, 2012
51. ## Math

1) If the height of a parallelogram is 27.3 m and the base is 6.3 m, what is the area of the parallelogram? 2) If the base of a rectangle is 27.4 mm and the area is 420.92 mm2, what is the height of the rectangle? 3) What is the height of a rectangle with

asked by Anonymous on May 31, 2018
52. ## math

Pls answer I need it quick 1. If ƒ(x) = 4x – 11, what is the value of ƒ(5)? A. 20x – 55 B. 34 C. 9.... D. 4 2. If the length (L) of a rectangle is 3 less than 4 times the width (W) of the rectangle, which of the following equations represents the

asked by umm.... on November 10, 2018
53. ## math

If length of one side of a 3x3 square is four times, and the length of the adjacent side is tripled, the perimeter of the new rectangle is how many times bigger than the perimeter of the original square? please explain and show work.

asked by Johnny on July 16, 2014
54. ## math

The length of the room is 9 meter, its floor is tiled by using 96 square tiles of 0.75m x0.75m each. What is breadth of the room?

asked by prabh on September 18, 2016
55. ## Math

A cylinder of curved surface area 1250m² is formed from a rectangular metallic sheet .Find the dimensions of the rectangular sheet I its length is double its breadth?

asked by Rohit on June 9, 2016
56. ## MONGU COLLEGE

In a single swing pendulum moves through an angle of 1.92 Radian. (a). Determine the length of arc treated by the pendulum Bob. (b). The area of the sector if the length of the pendulum is 13.2cm.

asked by barotseland network on February 28, 2013
57. ## MONGU COLLEGE

In a single swing pendulum moves through an angle of 1.92 Radian. (a). Determine the length of arc treated by the pendulum Bob. (b). The area of the sector if the length of the pendulum is 13.2cm.

asked by barotseland network on February 28, 2013
58. ## Math

A rectangle whose length is 5.3 cm and whose width is 2.5 cm.

asked by Sarah on February 13, 2018
59. ## calculus

rectangle with a length of 24 1/5 and a width of 17 1/6 cm

asked by ars on September 4, 2011
60. ## mathematics

P=2(l+b) the length of a rectangle given the perimeter

asked by pinky on August 7, 2014
61. ## calculus

A Norman window has the shape of a rectangle surmounted by a semicircle. If the perimeter of the window is 30ft, find the dimensions of the window so that the greatest possible amount of light is admitted. I keep screwing up in creating my equation. p =

asked by Daniel on November 20, 2011
62. ## Trigonometry

a satellite camera takes a rectangular - shaped picture. the smallest region that can be photographed is a 4 - km by 6 - km rectangle. as the camera zooms out, the length l and width w of the rectangle increase at a rate of 3km/sec. how long does it take

asked by Billy on March 15, 2010
63. ## 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,

asked by JJ.Sarah on May 5, 2015
64. ## 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

asked by Sarah JJ on May 5, 2015
65. ## Marh

The length and breadth of a rectangular are in the ratio 5:3 .If the cost of reaping the field at 85 paise per square metre is Rs 624.75 find the cost of fencing it at the rate of Rs 4per metre

asked by Anonymous on October 7, 2017
66. ## math

A rectangular garden plot 16m by 24m is to bordered by a strip of uniform width X m wide on the outside, so as to double the area, find the new length and breadth of the rectangular garden

asked by kartik on May 27, 2016
67. ## math

Rectangle A Find the length of the diagonal of the rectangle A Cordinates (-1,-5) (-1,-2) (5,-2) (5,-5) i got the equation d= √(-1-5)^2+(-2--5)^2 and came up wtih the answer of 15, but the answer key is 3√5 The calculator is never wrong SO IM WRONG

asked by fishycakes on March 16, 2009
68. ## Calculus

A rectangle initially has dimensions 4cm by 6cm. All sides begin increasing in length at a rate of 5cm/s. At what rate is the area of the rectangle increasing after 15 seconds

asked by Ashlyn on April 9, 2018
69. ## math

The length of a rectangle is 2 cm more than three times the width. Find the dimensions of this rectangle if the area is 21 cm^2. I know the answer is 9 & 2 1/3 but I found it by trial and error. Is there an easier way to find the answer to this question?

70. ## Algebra

1. The length of a rectangle is twice its width. The perimeter of the rectangle is 24 inches. Write a system of equations in 2 variables. Use substitution to solve the problem. A. Equation 1: L = 2W L= 2(4) = 8 Equation 2: 2L + 2W = 24 2(2W) + 2W = 24 6W =

asked by X on June 4, 2017
71. ## 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.

asked by philena on September 27, 2010
72. ## Arithmetic

Hi, i'm preparing for Olevels and i have some maths questions that i'm not sure how to do, i'd appreciate it if you could help. 1. The numbers 60 and 126, written as products of their prime factors: 60=2^2x3x5 126=2x3^2x7 a)Find the largest integer which

asked by Terry on June 15, 2009
73. ## MATHS HELP plz

A parcel in the form of a rectangular block is held together by three pieces of tape . The parcel has square ends of side x cm and is y cm in length. Express the total length of tape in terms of x and y. Given tat the total length of tape is 450 cm,

asked by Dia on December 4, 2014
74. ## shortest fence

this is my last question from applications of derivatives! A 216m^2 rectangular pea patch is to be enclosed by a fence and divided into two equal parts by another fence parallel to one of the sides. What dimensions for the outer rectangle will require the

asked by Jen on November 18, 2006
75. ## 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

asked by Gaylee on May 30, 2014
76. ## 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.

asked by Bell on May 13, 2013
77. ## Math

1. 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

asked by Anny on May 1, 2014
78. ## Math

the length of a cut board in a sawmill should be within 2% of the board's stated length.write an absolute value inequality that describes the length L of an acceptable board with a stated length of 12 feet.

asked by Andrea on March 8, 2018
79. ## MATH!!!

A function machince accepts inputs as ordered pairs. The componeys of the ordered pairs are natural numbers and the first componet is the length of the rectangle and the second componet is the width. the given machince comptes the perimeter ( the distance

asked by EMMA on November 14, 2014
80. ## Algebra

The length of a rectangle is 6 inches more than twice its width. If the perimeter of the rectangle is 54 inches, find the width of the rectangle.

asked by JoAnn on July 22, 2008
81. ## Algebra 1

The perimeter of a rectangle is 300 feet the width of the rectangle is 10 feet more than the length what is the width of the rectangle ?

asked by Alejandra on May 16, 2016
82. ## 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

asked by Becca on May 17, 2016
83. ## geometry

The length of a certain rectangle is 4 meters more than three times its width. If the perimeter of the rectangle is 56 meters, then the width of the rectangle is

asked by Anonymous on August 23, 2010
84. ## Maths

the length of a certain rectangle is 3 meters more than twice its width.what is the width of rectangle if the perimeter of the rectangle is 150 meters?

asked by Anu on May 31, 2016
85. ## algebra

the length of a rectangle is three meters more than the width. The perimeter of the rectangle is 34 meters find the width of the rectangle.

asked by Kenshin on June 19, 2016
86. ## math

Solve this problem plz... A rectangle has an area of 288 cm square.if the width is decreased by 1cm and length is increased by 1 cm the area would decreasedby 3 cm square.fin the original dimension of the rectangle.

asked by Ali on January 20, 2016
87. ## MATHS HELP plz!!

A parcel in the form of a rectangular block is held together by three pieces of tape as shown in the diagram . The parcel has square ends of side x cm and is y cm in length. Express the total length of tape in terms of x and y. Given tat the total length

asked by Dia on December 4, 2014
88. ## maths

A rectangular sheet of paper 30 cm X 18cm can be transformed into a right circular cylinder in two ways - by rolling the paper along its length or by rolling it along its breadth . Find the ratio of the volume of two cylinders formed.

asked by Anonymous on January 2, 2013
89. ## maths

the lenght of a rectangle exceeds its width by 7 m. if the width is decreased by 3m and the length decreasesd by 10 m the area is decreased by 95 sq. metres find the dimensions of the rectangle.

90. ## math

If the rectangles width is trippled and its length is doubled the perimeter of the new rectangle is 92 centimeter greater than the original perimeter what is the area of the original rectangle?

asked by annie on January 30, 2014
91. ## algebra 1

I was given this interesting problem: The length of a rectangle is 6 feet longer than its width. The perimeter is less than 48 feet. Write a mathematical expression for the width of the rectangle. How do I go about doing this?

asked by Elle on July 4, 2011
92. ## math

If the rectangles width is trippled and its length is doubled the perimeter of the new rectangle is 92 centimeter greater than the original perimeter what is the area of the original rectangle?

asked by annie on January 30, 2014
93. ## algebra

The width of a rectangle is 8 cm less than its length. The perimeter of the rectangle is 52 cm. What is the width of the rectangle? 7 cm 9 cm 15 cm 17 cm

asked by Christena on September 17, 2016
94. ## Mathematics

A rectangle has been divided into two strips, A and B. The strips have the same width. 2/5 of strip A is shaded. 5/8 of strip B is shaded. The length of the rectangle is 40cm. What fraction of the rectangle is not shaded? Thank you. Joseph.

asked by Joseph on March 24, 2017
95. ## Math

A zoo wishes to construct an aquarium in the shape of a rectangular prism such that the length is twice the width and 5m greater than the height. If the aquarium must have a volume strictly between 1125m^3 and 3000m^3, determine the restrictions on the

asked by Andy on November 30, 2017
96. ## Math

A zoo wishes to construct an aquarium in the shape of a rectangular prism such that the length is twice the width and 5m greater than the height. If the aquarium must have a volume strictly between 1125m^3 and 3000m^3, determine the restrictions on the

asked by Anonymous on October 11, 2016
97. ## 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

asked by Andy on April 14, 2010
98. ## Calculus

Find the rectangle of largest area that can be inscribed in a semicircle of radius R, assuming that one side of the rectangle lies on the diameter of the semicircle. NOTE: Let L denote the length of the side that lies on the diameter and H denote the

asked by John on November 7, 2011
99. ## physic

Sample 1, Original Length 250 mm and 10 mm Diameter, Length after testing 250.23 mm the force used for the test was 15KN Calculate the Stress and Strain for each of the Samples and from this and, assuming the material has remained within the elastic limit,

asked by abdul on May 1, 2017
100. ## physic - stress and strain

Sample 1, Original Length 250 mm and 10 mm Diameter, Length after testing 250.23 mm the force used for the test was 15KN Calculate the Stress and Strain for each of the Samples and from this and, assuming the material has remained within the elastic limit,

asked by Anonymous on May 1, 2017