# 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 29
1. ## math

Alyssa is enrolled in a public-speaking class. Each week she is required to give a speech of greater length than the speech she gave the week before. The table below show the length of several of her speeches: WK #/Length of Speech (seconds) 3/150, 4/180,

asked by Jane on April 29, 2013
2. ## Math

A square and four congruent rectangles are arranged in a larger square. The smaller square and each of the rectangles have the same perimeter.Determine the ratio of the length of a side of the larger square to the length of side of the smaller square.

asked by Eric on May 30, 2011
3. ## Melanie

A right triangle has a hypotenuse of length 13 meters and one side of length 5 meters. What is the length of the third side and the angle between the hypotenuse and the 5 meter side? A. 144 meters, 67.38 degrees B. 12 meters, 22.62 degrees C. 10 meters,

asked by Physics on January 19, 2013
4. ## Honors Geometry

You work for a fencing company. A customer called, wanting to fence in his 1,320 square-foot rectangular garden. He ordered 148 feet of fencing, but you forgot to ask him for the width and length of the garden (these dimensions will determine some of the

asked by Chelsey on February 21, 2008
5. ## Geometry/math

The table at right shows measurements made on a circle with a one-meter radius. Each entry in the s-column is an arc length,and the adjacent entry in the c-column is the corresponding chord length, both in meters. Explain why c < s, and determine the range

asked by Sarah on April 17, 2010
6. ## geometry

A carpenter must ensure that a large window frame is a rectangle. If the corners are labled E,F,G, and H, the carpenter knows that EF=51 inches, FG=28 inches, GH=51 inches, and EH=28 inches. The carpenter could measure the diagonals EG and FH and verify

asked by alisa on November 15, 2011
7. ## Math

1. What is the length of the radius of the larger cone? The slant height of cone A is 12 and the radius is 8 The slant height of cone B is 15, I am trying to figure out the radius of this one... How do I do it? A:10 B:11 C:12 D:13 2. What is the length of

asked by Reeces on March 6, 2017
8. ## Math/Calculus

A spring with a 4 kg mass has natural length 1 m and is maintained stretched to a length of 1.3 m by a force of 24.3 N. If the spring is compressed to a length of 0.8 m and then released with zero velocity, find the position of the mass at any time t. Here

asked by COFFEE on July 11, 2007
9. ## maths

O is the centre of the circle and A and B are points on the circumference of the circle. The radians of the circle is 12 cm and the angle AOB is 54 degrees. Choose the one option which gives the length of the circle joining A and B , correct to one decimal

asked by katie on April 20, 2007
10. ## electricity

the magnitude of the voltage induced in a conductor moving through a stationary magnetic field depends on the ------- and the------- of the conductor. A)lenght, speed. B)distance, circumference. C)resistance, current. D)color, capacitance. length and

asked by angela on August 23, 2005
11. ## PHYSICS!!!

Hooke's law describes a certain light spring of unstressed length 36.0 cm. When one end is attached to the top of a door frame and a 6.40 kg object is hung from the other end, the length of the spring is 44.00 cm. (a) Find its spring constant I found the

asked by Anonymous on February 2, 2010
12. ## Math

12+4n/3 = 8 Not multiple choice.. trying to find n. My answer is 7 9a - 3(a -6) = -6 Not multiple choice.. I'm not quite sure how to do this The width of a rectangle is 6 in. less than its length. The perimeter is 68 in. What is the width of the rectangle?

asked by Anonymous on September 17, 2014
13. ## math

The stiffness of a given length of beam is proportional to the product of the width and the cube of the depth. Find the shape of the stiffest beam which can be cut from a cylindrical log (of the given length) with cross-sectional diameter of D

asked by manjeet on April 7, 2018
14. ## Physics

A copper wire with a length 2.0m, cross sectional area 7.1x10^-6 m^2 and young's modulus 11x10^10 N/m^2 has a 200kg load hung on it. What is its increase the length? (g=9.8 m/s^2) im not sure how to start this problem or what equation to use, can some one

asked by BrOwN GuRL on November 11, 2007
15. ## Math

We have a picture frame with width being 3 1/4 inches and length unknown. We need to fit picture with width of 4 cm and length 4.6 cm into frame. What is the scale factor for enlargement? What is length of unknown side of frame? I was given the answer as

asked by Cherie on September 5, 2014
16. ## Physics

A rope of mass m uniformly distributed along it's length l can slide without friction on a horizontal table. At instant t=0 the hanging part of the rope has a length b, and the rope is held at rest. When it is left, the rope begins to slide. At instant t

asked by Jessy on October 8, 2017
17. ## physics

A spring of natural length 1.5m is extended 0.055cm by force of 0.8N, what will it length be when the applied force is 3.2N

asked by Issa on June 27, 2018
18. ## math

A rectangular prism has length x+2, width x+1, height 4, and volume 24. find the length and the width?

asked by Anonymous on May 20, 2016
19. ## islah publek school

a rectangular garden has a perimeter of 140m.its width is three quarter of its length. what is the length and width?

asked by nia biscraft on May 1, 2013
20. ## math 050

Jim has two boards, each with a length of 51/4 inches. If he lays them end to end, what will the total length be?

asked by Anonymous on November 11, 2010
21. ## Mathematics

A stick is 203cm long. The stick is cut into n pieces, each the same length. What is the length of each piece?

asked by Emmanuel on September 4, 2016
22. ## Algebra

A 52 in. board is cut into two pieces. One piece is three times the length of the other. Find the length of the other piece.

asked by Sarah on October 7, 2015
23. ## Physics

A spring of natural length 1.5m is extended 0.0050m by a force of 0.8N, what will its length be when the applied force is 3.2N?

asked by Emzkidinn.tk on April 27, 2016
24. ## math

63 inch pipe is cut in to two pieces. one piece is two times the length of the other. what is the length of the two pieces.

asked by angi on July 22, 2013
25. ## math (algebra)

In a certain circle, the length of a radius is equal to the reciprocal of the length of a diameter. What is the area of this circle?

asked by Samantha on July 8, 2015
26. ## MATH

In an isosceles trapezoid the length of a diagonal is 25 cm and the length of an altitude is 15 cm. Find the area of the trapezoid.

asked by none on March 15, 2017
27. ## MATH

A rectangular prism has length x+2 width x+1, height of 4, and a volume of 24. Find the length and width.

asked by Anonymous on May 18, 2016
28. ## Maths

In a circle of diameter 40 cm the length of a chord is 20 cm find length of minor arc of chord

asked by Spandan on September 18, 2016
29. ## geometry

Find the length of the altitude to the base of an isosceles triangle if the length of one leg is 17 and the base is 16.

asked by Anonymous on March 7, 2011
30. ## Algebra

The length of a triangle is twice the width. The area is 2yd^2. Please, find length and width and simplify. :-)

asked by ShelbyA on April 28, 2012
31. ## math

the legs of an isosceles triangle have lengths x+1 and -x+7. the base has length 3x-3. what is the length of the base? a. 6 b. cannot be determined c. 4 d. 3

asked by Leigh on March 9, 2014
32. ## math algabra

The area of the living room is 162 ft2. What are the length and width if the width is twice the length

asked by brittany on June 2, 2015
33. ## islah publek school

a rectangular garden has a perimeter of 140m.its width is three quarter of its length. what is the length and width?

asked by nia biscraft on May 1, 2013
34. ## Geometery

The perimeter of a recatngles is 54 inches. THe width is one inch less than the length. FInd the length and width

asked by merna on September 13, 2016
35. ## geometry

the length of a rectangular portrait is 2.5 times the width. the perimeter is 28 feet. what is the length of the portrait

asked by carla on May 28, 2015
36. ## math

the ratio of width to length of a television scree in 3:4. What is the width of the screen if the length is 32 inches

asked by Thomas on February 23, 2014
37. ## maths

the net of acuboid measuring Xcm *8 cm *4 cm. the length are 25cm calculate length Xcm.

asked by ravi on August 11, 2016
38. ## Math

A rope of 17 1/2 feet long is cut into 7 pieces. If the pieces are the same length, what is the length of each piece?

asked by ? on July 18, 2016
39. ## Algebra

on a map the length of a nature center trail is 10.5 cm. if the scale is 1 cm to 21 km, what is the actual length of the trail?

asked by Julieta on November 13, 2016
40. ## math

The length of the sides of a triangle are 6,14,and 10.If the shortest side of a similar triangle has length,then its perimeter is?

asked by lindsey on January 28, 2011
41. ## geometry

how many cubes with a side length 5cm do fit in a cube with a side length 20cm?

asked by .... on April 18, 2011
42. ## math

A 2-inch length in the scale at the left represent an actual length of 20 ft. What is the scale of the drawing?

asked by elijah on April 7, 2015
43. ## Geometry

What is the area of a regular pentagon with a side length of 9.4 feet and an apothem length of 6.5 feet?

asked by Louisa on November 7, 2011
44. ## bunn high

find the approximate length of the leg of a right triangle with one leg length 8 and hypotenuse lenth 19

asked by Hope on July 7, 2011
45. ## Geometry

find the value of x 16 2x-6 16 is a length of the triangle and 2x-6 is a length inside the triangle that I need to fin. If anyone knows what the shape look like please help me? I forgot how to do this! Thank you!!

asked by Rose on December 29, 2018
46. ## Trig

A pendulum swinging through a central angle of Ts completes an arc of length 6.4 cm. What is the length of the pendulum?

asked by Laura on March 8, 2015
47. ## algerbra

the perimeter rectangular pool is 160 meterss . The length of the pool is 20 meters . what is the length ?

asked by Anonymous on November 30, 2012
48. ## MATH

What is the estimated perimeter of an ellipse if the major axis has a length of 15 ft and the minor axis has a length of 7.5 ft?

asked by KELLY on October 7, 2016

an equilateral triangle has a side of length 2x-3. Its perimeter is 51 inches, find the length of each side

asked by Jimmy on September 30, 2013
50. ## Geomotrey

What is the area of a regular pentagon with a side length of 9.4 feet and an apothem length of 6.5 feet?

asked by orlando on August 6, 2014
51. ## MAth

A model length of 12 cm. represents an actual length of 102 feet. What is the scale model?

asked by James on February 8, 2013
52. ## College Algebra

A rectangle is bounded by the x-axis and the semicircle Y= SQ RT of 4-x^2. Write the area A of the rectangle as a function of x and determine the domain of the function.

asked by Kristi on February 16, 2013
53. ## Algebra 2

a computer manufacturer needs to change the dimensions of its foam packaging for a new model of computer. the width of the original piece is three times the height, and he length is equal to the height squared. The volume of the new piece can be

asked by Jane on January 24, 2010
54. ## physics

In a room that is 2.78 m high, a spring (unstrained length = 0.30 m) hangs from the ceiling. A board whose length is 1.94 m is attached to the free end of the spring. The board hangs straight down, so that its 1.94-m length is perpendicular to the floor.

asked by isabel on April 17, 2011
55. ## Physics

In a room that is 2.69 m high, a spring (unstrained length = 0.28 m) hangs from the ceiling. A board whose length is 2.22 m is attached to the free end of the spring. The board hangs straight down, so that its 2.22-m length is perpendicular to the floor.

asked by Tim on March 3, 2013
56. ## physics

Four masses are positioned at the corners of a rectangle, as indicated in the figure below (not to scale). (a) Find the magnitude and direction of the net force acting on the 2.0 kg mass if x = 0.40 m and y = 0.12 m. (b) How do your answers to part (a)

asked by tara on November 27, 2011
57. ## Agricultural Sciences

Determine the size of the pasture by measuring its approximate length and width.One large step is approxinately one metre.

asked by Nonhle on March 13, 2016
58. ## Agricultural Sciemces

Determine the size of the pasture by measuring its approximate length and width.One large step is approxinately one metre.

asked by Anonymous on March 13, 2016
59. ## physics

An object is located 27.6 cm to the left of a converging lens whose focal length is 46.5 cm. (a) Determine the image distance and (b) the magnification.

asked by james on October 22, 2015
60. ## geometry

determine the length of the sides and the measures of the angels for the congruent quadrilaterals ABCD and A'B'C'D' there are 2 diagrams but don't know how to show it to you

asked by Carol on June 28, 2011
61. ## Agricultural Sciences

Determine the size of the pasture by measuring its approximate length and width.One large step is approxinately one metre.

asked by Khonah on March 13, 2016
62. ## Math

A farmer wants to create a rectangular pen in order to raise chickens. Because of the location of the pen, the fence on the north and south sides of the rectangle will cost \$5 per metre to construct whereas the fence on the east and west sides will cost

asked by Emily J on March 16, 2016
63. ## Math-Algebra 1

I have 2 questions. one is a rectangle that has an area of 34 square meters, the width is (x+4)m and the length is (x+11)m. The other problem is a triangle that has an area of 119 square ft. The legs are (x+3) ft and (x+6) ft. It has a right angle opposite

asked by Aaron on February 24, 2014
64. ## Math

can you plz check these few answers? (i know im right on the ones not shown) 6.find the side length of a square with an area of 169in squared a.338in b.106in c. 26in**** d.13in 7.this is a.. 0.2333 a.rational number b.integer, rational number****

asked by ShannonPanda on March 14, 2018
65. ## physics

5. A 2.00-kg block hangs from a rubber cord, being supported so that the cord is not stretched. The unstretched length of the cord is 0.500 m, and its mass is 5.00 g. The “spring constant” for the cord is 100 N/m. The block is released and stops

asked by arjunsareen on January 24, 2012
66. ## physics

A steel spring is hung vertically. Using a ruler, the lower end of the spring was measured to be 25.0cm from its upper end. However, when an object of mass 0.500kg it attached to the lower end of the spring the spring stretches to a new length of 45.0cm.

asked by Jack on November 18, 2016
67. ## Physics

A steel spring is hung vertically. Using a ruler, the lower end of the spring was measured to be 25.0cm from its upper end. However, when an object of mass 0.500kg it attracted to the lower end of the spring the spring stretches to a new length of 45.0cm.

asked by grace777 on November 22, 2016
68. ## physics

A steel spring is hung vertically. Using a ruler, the lower end of the spring was measured to be 25.0cm from its upper end. However, when an object of mass 0.500kg it attached to the lower end of the spring the spring stretches to a new length of 45.0cm.

asked by Jack on November 17, 2016
69. ## Math

In rectangle MNPQ, the ratio of the length of MP is 4:5. a) Does this ratio tell you how long MN is? Explain. b) What if MN is 12cm long. How long is MP? Use a diagram to illustrate your answer. Show your work.

asked by Karen on September 28, 2008
70. ## math

the perimeter p of a rectangle can be found using the formula p=2(l+w) where l represents the length and w represents the width. which equation represents the width in the terms of p and l. a) w=2(p-l) b)w=p-l/2 c) w=2p-1 d) w=p/2-1 p=2l+2w p-2l/2=w

asked by B8 on December 19, 2013

The length of each piece in a model train railroad built on the HO scale is 1/87 of the actual length. Another popular model is the N scale, for which the scale is 1/160. Each car on a full-size passenger train is 80ft long. What is the length in inches of

asked by megan on February 10, 2011
72. ## math

If the angle of declination is known, a surveyor would use_______ to find the length x. The cosine of a 50° angle is_______ this represents the value created when length x is divided by 90 feet. If the angle of declination changed to 60°, the cosine

asked by justin on April 5, 2014
73. ## PreCalc (still confused)

Hello and Happy Halloween! Trying to get this problem and could use some help. Find the dimensions of the rectangle with minimum perimeter if its area is 400 square meters. Find the least perimeter. I know that a rectangle has two sides that are equal and

asked by Muffy on November 1, 2009
74. ## Physics/Nautical Mile

The NM by definition is something used at sea. In my previous post I established there is a difference in the length of the earths radius at the equator compared to the poles, although it is not clear whether the radius is a measurement of land mass or sea

asked by Mike on October 5, 2007
75. ## Cross-Sectional Area

The cross-sectional area of a beam cut from a log with radius 1 foot is given by the function A(x) = 4x(sqrt{1 - x^2}), where x represents the length of half the base of the beam. Determine the cross-sectional area of the beam if the length of half the

asked by John on February 22, 2008

I'm having trouble with this question on arc length: y=lnx, (squareroot)3/3 greater than or equal to x less than or equal to 1 It sounds as if you want the length of the y = ln x curve from x = sqrt(3)/3 (0.57735..) to 1. The formula for the arc length of

asked by Krystal on October 19, 2006
77. ## Chemistry

The SI unit of length is a meter, which is defined as the length equal to 1,650,763.73 wavelengths of light emitted by a particular energy transition in krypton atoms. Calculate the frequency of the light to three significant figures.

asked by Anne on October 31, 2012
78. ## physics

the plumbing in an old house uses lead pipes (which are now considered hazardous). Hot water is run through a section of pipe, increasing its temperature from 19.4 C to 36.8 C. if the pepe is intially 3.90m in length, what is the change in the length of

asked by Anonymous on August 18, 2011
79. ## Algebra

Rectangle ABCD has an area of 72 units squared. The length of BF is 4 units. Algebracially prove that the sum of the areas of triangles CBF and ADF are equal to 36 units squared.

asked by Anthony on March 7, 2013
80. ## Algebra

Remember that the perimeter of a rectangle can be found with the formula . Write an inequality that will give the possible lengths and widths of his rectangular garden so that the perimeter of the garden will not be more than 60. Use x for the length of

asked by Ty on January 25, 2011
81. ## Math

Find the width of the rectangle. ----------------------- = Perimeter=30 in. = = = W=Width =============== L=Length P=w and l=11 p=2l+2w 30=(2x11)+2w 30=22+2w (Think:if 2 x w=8, then w=___divided____ w=8 So the width is 8 inches. I don't know what the

asked by BUB on April 20, 2015

Let W represent 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?

asked by Not putting it on September 15, 2010
83. ## Math

A scale drawing of the floor of a theater has a scale factor of 18. Mark says that he can use this information and any length on the scale drawing to find the corresponding length and the actual theater. He says that he can also use this information and

asked by Shaun on April 9, 2016
84. ## Calculus applications

6. The bending moment (M) along a beam is M = WLx/2 -Wx2/2 kNm where x is the distance of a beam length L from the left hand end. W is the weight per unit length. (a) Shear force is calculated as the differential of bending moment. Find an expression for

asked by Thomas on December 5, 2016
85. ## Applied Math- Gr.11

A farmer wants to enclose three sides of a rectangular pasture unsing 1000 yards of fencing. The fourth side does not require fencing because it borders a river. What dimensions (length and width) should the farmer choose in order to enclose the greatest

asked by Greg on May 1, 2008
86. ## Math

A rectangle has a width of 4 cm and a height of 3 cm. If another rectangle is to be drawn so it has a golden ratio with the first rectangle, what could the dimensions of the new rectangle be? 7 cm by 4 cm 8 cm by 3 cm 3 cm by 4 cm 4 cm by 8 cm

asked by Kandee on May 26, 2013
87. ## math

Which of the images above represent a proof of the Pythagorean Theorem? Explain your choice, and then explain how the figure proves the Pythagorean Theorem. Figure A: Leg a= 9 units (length) Leg b= 36 units (bottom) Leg c= 64 units (diagonal length) Figure

asked by lola on October 27, 2016
88. ## maths

3. An elastic string hangs from a nail N. When as mass of m grams is attached to its lower end, the elastic is stretched so that its lower length is x cm, as shown in the diagram: N The table shows result of the two experiments: Length (x cm) 43 49 Mass (m

asked by puk on February 9, 2012
89. ## algebra math

Lucas makes crosses out of a scrap piece of wood by cutting it into two pieces. He always makes the cut so that the cross piece is one-third the length of the vertical piece. If a length of scrap wood is 28 inches, what will be the length of each piece of

asked by Anonymous on March 10, 2013
90. ## Math

What is the sum of the first 200 odd numbers? A rectangle has an area of 120 cm square we are trying to find possible perimeters. It's length and width are whole numbers. What are all the possibilities for the 2 numbers? Give next two terms

asked by Brittany snow on January 9, 2012
91. ## Physics

Two thin, infinitely long, parallel wires are lying on the ground a distance d=3cm apart. They carry a current Io=200A going into the page. A third thin, infinitely long wire with mass per unit length λ=5g/m carries current I going out of the page. What

asked by roami on December 12, 2013
92. ## Physics

Two thin, infinitely long, parallel wires are lying on the ground a distance d=3cm apart. They carry a current Io=200A going into the page. A third thin, infinitely long wire with mass per unit length λ=5g/m carries current I going out of the page. What

asked by Anonymous on December 12, 2013
93. ## math i need help 3 questions

1. The numerator and denominator of a fraction are in the ratio of 3 to 4. If 4 is added to the numerator and subtracted from the denominator, the value of the resulting fraction is 4/3. The numerator of the original fraction is A. 12 B. C. 3 D. 4 2. If it

94. ## physics

A 1289 Hz sound from the speaker enters a tube at point A. It then takes two paths, ACD or ABD. Minimum sound is heard when ACD has a length of 94.2 cm and ABD has a length of 41.0 cm. The length of ACD is slowly increased until the point of maximum

asked by Tom on February 26, 2012
95. ## Pre-Cal

The diagonal and the longer side of a rectangle make an angle of 43.2. If the longer side is 12.6cm, find the length of the shorter side.

asked by Daisy on January 29, 2008
96. ## math

mr cook wants to fence his rectangle garden which covers 100 ft squared the width of the garden is 7 1/2 ft what is the length of the garden how much fencing mr cook need

asked by zeinab on April 29, 2015
97. ## math

a rectangle with side of 6 cm and 5 cm has the same area as an isosceles triangle with base length 12 cm find the altitude to the base of the triangle and the sides of the triangle

asked by dit on July 29, 2016
98. ## Physics mit 2.01x

F13Q1_1: COMPOSITE BAR UNDER DISTRIBUTED LOADING The composite bar AB has length L and is fixed at A(x=0). The bar has a constant cross-section and is composed of two steel plates, of modulus Es=2E0 sandwiching a copper core of modulus Ec=E0. The steel

asked by Michael on July 15, 2014
99. ## Math

a 52g. weight tied to a spring stretches the spring 1.3cm. How many grams would it take to stretch the spring 3cm?

asked by Sara on December 5, 2010
100. ## Accelerated Algebra

it takes 80 feet of fencing to enclose your garden. According to your calculations,you will need 350 square feet to plant everything you want. Is your garden big enough? Explain your answer. They gave a rectangle length=40-x and width= x I asked my mom and

asked by Lily on August 10, 2014