# 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 119
1. ## MMATH08

AREA OF SQUARE TILE IS 8000 SQUARE METRE IT IS PAVED WITH 10 AQUARE TILE OF EQUAL SIZE WHAT SHOULD POSSIBLY BE THE LENGTH OF SIDE OF TILE THAT CAN BE USED TO COVER THE FLOOR

asked by DIPI on May 17, 2017
2. ## Math: Parametric Equations

Let G be the graph of the parametric equations x = cos(4t), y = sin(6t). What is the length of the smallest interval P such that the graph of these equations for all t E P produces the entire graph G? (The "E" represents the symbol for "is in" that looks

asked by Katie on April 9, 2016
3. ## math

A large picture,2m by 2m,is displayed on a wall.It is place in a frame with a border of uniform width. A. How would you represent the length of side of the frame? B. What expression represent the area of the frame?

asked by claire on June 24, 2017
4. ## Geometry

A jump ramp for waterskiing makes an angle of 15 degree with the surface of the water. The ramp rises 1.58m above the surface. What is the length of the ramp to the nearest hundredth of a meter?

asked by Anonymous on January 13, 2012
5. ## Algebra

Suppose a farmer has 120 feet of fencing to make a rectangular barnyard enclosure. If the enclosure is x feet long, express the area A of the enclosure as a function of the length x.

asked by Angie on June 22, 2009
6. ## Math

The volume of a triangular prism is 12cubic cm .atriangular face has base b and height h. The length of the prism is l. Find possible values for b, h and l. Sketch one possible prism that has an isosceles triangle as its base.

asked by Jalal on November 7, 2015
7. ## Physica

A contact lens is made of plastic with an index of repraction of 1.5 , The lens has an outer radius of eurvature ( convex) of 2 cm and an inner radius of curvature (concave ) of 4 cm .the focal length of the lens is;

asked by fatma1 on July 21, 2012
8. ## math

a cyclindrical water storage tank contains 2187 cubic units of water. All the water is pumped equally into 3 congruent cubic coolers. What is the minimum length that each coller need to be?

asked by lisa on May 5, 2016
9. ## math

The length of a football field is 120 yd. The width of the football field is 50 yd. Which is the correct unit of measurement to use when figuring out how much rope is needed to surround the field? A. yd B. yd2 C. yd3

asked by jake on March 4, 2016
10. ## math

the sides of a polygon have lengths of 2cm,5cm,6cm,4cm,9cm and the perimeter of a smaller polygon is 78cm Find the length of the sides of the larger polygon

asked by the game on January 25, 2012
11. ## Math

9. Calculate the area of the composite figure, which is not drawn to scale. (Workpad needs to be worked out, correctly). 17 cm (rectangle part) top, 22 cm height (one side, rectangle), 10 cm height (other side, rectangle), 19 cm bottom (some, triangle

asked by Kk on March 15, 2017
12. ## MATH

A rectangular prism has a length of 8 inches, a width of 5 inches, and a height of 2 inches. What is the volume of the prism? A. 15in2 B. 40in2 C. 80in2 D. 132in2

asked by jake on March 3, 2019
13. ## algebra

+write an expession for the volume of a rectangular prism if the length is 2 feet longer than some x amount the width is 6 feet longer than x and the height is x feet

asked by lisa on August 5, 2015
14. ## Math

A rectangular park has an area of 6 square miles. The width of the property is 3/8 the length of the property. What is the width of the property? 6/1 x 3/8 = 18/8 = 2 and 2/8 = 2 and 1/4. 2 and 1/4 is my answer but in my test I got that wrong.

asked by Kevin on March 3, 2016
15. ## math

Tom built a fence around his rectangular shaped pool. The posts are 2 yards apart, there are 4 posts along the width and 8 posts along the length. What are the dimensions of the fence?

asked by Anonymous on March 4, 2016
16. ## math

If the length of the base of a triangle is increased by 10 percent and the height is decreased by 20 percent, what is the percent change (increase or decrease) in the area of the triangle?

asked by sukh on February 4, 2017
17. ## math

Jenny is remodeling her bathroom floor. She is going to use tile that is 3/4 foot long. If her bathroom is 7 1/3 feet long, how many tiles will she need to first cover the length of the bathroom?

asked by Kia on October 28, 2014
18. ## Chemistry

Choose the bond that is the weakest: A) Na-Cl B) I-I C) C=N D) Li-F E) C=O I don't understand the question... do they mean polarity wise, IMF wise or bond length wise. I know the answer is C but why C.

asked by Tc on July 3, 2011
19. ## Physics

A string is under a tension of 700.0 N. A 1.5 m length of the string has a mass of 4.5 grams. What is the speed of a transverse wave of wavelength 0.50 m in this string? What is the frequency of the wave?

asked by Jerome on November 4, 2010
20. ## Physics

What is your speed at the bottom of the "frictionless" Tornado water slide at Great America if the height of the slide is 34.0 meters and the length of the slide is 44 meters?

asked by Anonymous on April 12, 2012
21. ## math

The length of the base and the height of a triangle are numerically equal. Their sum is 16 less than the number of units in the area of the triangle. Find the area of the triangle.

asked by anonymous on October 22, 2014
22. ## Math

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

asked by Tayler on May 23, 2016
23. ## Algebra

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

asked by BrianP on March 2, 2014
24. ## Math and Society

Which solid has the greatest volume? a)A right cylindrical cylinder with a radius of 4 inches; b)A cube with a side of length of 4 inches; or c) a sphere with a radius of 4 inches?

asked by Maryanne on May 5, 2012
25. ## math help g

Chris has a square garden with an area of 38.4m^2. He decreases the length of each side by 1.7m to make a smaller garden. What is the closet to the perimeter of the smaller garden?

asked by math on December 9, 2017
26. ## Math

A banner is shaped like a parrelelogram. The banner has a base length of 3.25 meters and an area of 4.55 square meters. Explain how to find the height of the banner

asked by Alice on May 17, 2016
27. ## Algebra

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

asked by EddieG on February 27, 2014
28. ## Algebra

A ladder is placed against the side of the house. The top of the ladder is 12 ft above the ground. The base wof the ladder is 5feet away from the house. Find the length of the ladde.

asked by Joey on April 4, 2016
29. ## geometry

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

asked by Tiffany on October 11, 2010
30. ## Math

The surface area of a particular cube is 600 square inches. When the edges of the cube are doubled in length, what is the volume of the new cube, in cubic inches?

asked by ABC123DoReMi on March 15, 2011
31. ## Dimensions of wall

Width of a wall is 4 inches less then the length. The border that surrounds the wall is 2 inches wide and has an area of 240 square inches. What are dimensions

asked by Zack on August 8, 2018
32. ## chemistry

what is the trend in bond length for o-h (.96A), s-h (1.341A) and n-h (1.005A). Explain the trend- do the calculated bond distances match the expected trend?

asked by kate on October 11, 2007
33. ## Math

The map of a biking trail is drawn on a coordinate grid. The trail starts at P(−3, 2) and goes to Q(1, 2). It continues from Q to R(1, −1) and then to S(8, −1). What is the total length (in units) of the biking trail? 11 13 14 16

asked by Zach on November 27, 2017
34. ## Physics

The mass of a string is 9.1 × 10-3 kg, and it is stretched so that the tension in it is 240 N. A transverse wave traveling on this string has a frequency of 240 Hz and a wavelength of 0.42 m. What is the length of the string?

asked by Grainne on January 14, 2013
35. ## Math

the length of a rectangular window is 6 feet more than its width, w. the area of the window is 100 square feet. which equation could be used to find the dimensions of the window?

asked by Kayla on April 3, 2017
36. ## Physics

A current-carrying conductor of length 0.8 m is placed perpendicular to the direction of the magnetic field of 0.6 Tesla. What is the value of the current in the conductor if the conductor experiences a force of 1.2 N?

asked by Physics fail on January 27, 2013

4. WALLPAPER A decorative wallpaper strip has an area of 50 + 20r. If the width of the strip is 5 inches, what expression represents the length of the strip? So far I have that their GCF is 5?

asked by Jab on October 24, 2011
38. ## math

belinda measured the length of a board. it measured exactly 9 inches. then she cut the board in half. to the nearest inch, how long was each piece of board

asked by mythreyee on October 18, 2012
39. ## Math

A banner is shaped like a parallelogram. The banner has a base length of 3.25 meters and an area of 4.55 square meters. Explain how to find the height of the banner

asked by Fantashia on March 13, 2018
40. ## geometry

The area of a particular regular hexagon is x^3 square units, where x is the measure of the distance from the center of the hexagon to the midpoint of a side. what is the side length of a hexagon?

asked by John on December 3, 2011
41. ## math

aiden knows the length of only one side of his garden. He says he will be able to find the area knowing only one side. Explain how this can be true. If there's only one side then Aiden should multiple it...? But if so, how many times 2, 3, 4...?

asked by Evelyn on October 8, 2015
42. ## algebra

A triangle has a perimeter of 56 centimeters. Each of the two longer sides of the triangle is three times as long as the shortest side. Find the length of each side of the triangle

asked by barbara on September 10, 2014
43. ## geometry

The longer diagonal of a rhombus is 2 times as long as the shorter diagonal. Find the length of the shorter diagonal if the area is 24in squared.

asked by Mandy on March 24, 2010
44. ## Trig

A conveyor is used to lift paper to a shredder. The most efficient operating angle of elevation for the conveyor is 35.2°. The paper is to be elevated 16.0 m. What length of conveyor is needed?

asked by Samantha on May 7, 2017
45. ## geometry

A family is getting a doghouse for their dog. The doghouse is proportional to their own house, which is 115 feet long and 65 feet wide. The scale is 0.04. What is the length of the doghouse?

asked by Anonymous on August 24, 2015
46. ## Science

A 1.0 m length of string has fixed attachments at both ends. The wave speed on the string is 400 m/s and the frequency is 800 Hz. What is the fundamental frequency of the string?

asked by Rico on March 31, 2011
47. ## math

A kite is attached to a string. Find the length of string,when the height of the kite is 60m and the string makes the angle 30 degree with the ground.

asked by komal on September 19, 2016
48. ## math

Chef Potato's body has a cylinder in the middle and two half spheres that make up his bottom and head. He has the two dimensional shape measurements as follows: 20 cm in total length, 5 cm between the end of the cylinder and the top of the top sphere.

asked by mee on February 1, 2018
49. ## Aerodynamics

A small wind tunnel is being built for studying insect flight. The first test section built has a uniform height h=0.1m and length ℓ=1m. During operation its walls are found to have boundary layers which effectively start at the inlet at x=0 (the BL

asked by Fer on April 16, 2014
50. ## ap calculus

Which of the following definite integrals gives the length of y = e^(e^x) between x=0 and x=1? All the answers are preceded by the integral sign from 0 to 1. (a) sqrt[1 + e^(2*(x+e^x))] dx (b) sqrt[1 + e^(4x)] dx (c) sqrt[1 + e^(x+e^x)] dx (d) sqrt[1 +

asked by Jess on December 19, 2012
51. ## Physics

Hellow I have questiones in physics, it's google translate so my be it's not so easy. But thanks for the help A weight with mass (m2) = 28 kg hanging from a rope. The rope runs over a frictionless pulley and attached to a box of mass m1 = 52 kg. The box is

asked by Oddbjørn on December 12, 2010
52. ## Physics

After a tornado, a 0.55g straw was found embedded 2.3cm into the trunk of a tree. if the average force excerted on the straw by the tree was 65N, what was the speed of the straw when it hit the tree?

asked by Stevie on March 15, 2010
53. ## Math(Please check. Thank You)

1) solve:e^x(x^2-4)=0 e^x=0 and then (x+2)(x-2) so x=2, -2 2) differentiate: y=ln(6x^2 - 3x + 1) 1/(6x^2 - 3x + 1) * 12x-3 3) differentiate: y=e^-3x+2 -3 * e^-3x+2 4) evaluate: 2^4-x=8 2^4-x = 2^3 4-x = 3 -x=-1 so x=1 5) differentiate: x^3 + y^3 -6 =0 3x^2

asked by Hannah on April 30, 2011
54. ## Physics

Calculate the electric power produced by a wind mill, when the wind speed is 10 m/s and the radius of the rotor circle (wing length) is 15 m. The density of air is 1.25 kg/m3. The eefficiency of the wind mill is 45%.

asked by winget on September 30, 2010
55. ## physics

A uniform ladder of mass m and length L leans at an angle θ against a frictionless wall. If the coefficient of static friction between the ladder and the ground is 0.43, what is the minimum angle at which the ladder will not slip? Do i use the equation

asked by Sydney on January 17, 2011
56. ## CALC

A rancher wants to fence in an area of 1500000 square feet in a rectangular field and then divide it in half with a fence down the middle parallel to one side. What is the shortest length of fence that the rancher can use?

57. ## Physics

A uniform ladder of mass m = 6.5 kg and length l = 2.1 m leans at an angle against a frictionless wall, Fig. 12-72. If the coefficient of static friction between the ladder and the ground is µs = 0.3, what is the minimum angle at which the ladder will not

asked by Anonymous on March 15, 2014
58. ## Math

A fence 12ft high runs parallel to a tall building at a distance of 2ft from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?

asked by Bob on December 13, 2014
59. ## Math

A rancher wants to fence in an area of 2000000 square feet in a rectangular field and then divide it in half with a fence down the middle parallel to one side. What is the shortest length of fence that the rancher can use?

asked by Ramin on October 24, 2017
60. ## physics

A string of length 10.0 m is tied between two posts and plucked. This sends a wave down the string moving at a speed of 130 m/s with a frequency of 215 Hz. How many complete wavelengths of this wave will fit on the string?

asked by simmy on July 29, 2013
61. ## physics

A cylindrical tube open at both ends is made of metal. The internal diameter of the tube is 11.2 cm and its length is 21 cm. The metal every where is 0.4 cm thick. Calculate the volume of the metal correct to 1 place of decimal

asked by suhani on February 16, 2013
62. ## math

A large picture 2m by 2m is displayed on a wall it is place in a frame with a border of uniform width A. How would you represent the length of the side of the frame? B. What expression represent the area of the frame? Answer please

asked by claire on June 24, 2017
63. ## math

an open water tank with length 20 m and width 15 m holds 4800 cubic metres of water.calculate the total surface area of the part of the tank in contact with water

asked by princess on January 26, 2016
64. ## physics

a ruby laser emits light at wavelength 694.4nm. if a laser pulse is emitted for 12pico seconds and the energy released per pulse is 100mJ, what is the length of the pulse?

asked by sahana on November 11, 2014
65. ## MATHS

A ship sails 95 km on a bearing of 140 degree,then a further 102 km on a bearing of 260 degree and then returns directly to its starting point.find the length and bearing of the return journey.

asked by Amina on September 2, 2017
66. ## college pre calculus

A kite frame is to be made from 6 pieces of wood. The four border pieces have been cut 5 and 12. The long center piece is 13. what should the length of the cross pieces be in order to maximize the area of the kite.

asked by Jenna on February 23, 2016
67. ## algebra

The base of an isosceles triangle and one of its legs have lengths that have consecutive integers. The leg is longer than the base. The perimeter of the triangle is 20. Find the length of each side of the triangle. *Please help me- I am having a really bad

asked by anonymous on October 27, 2007
68. ## physics

A cylindrical tube open at both ends is made of metal. The internal diameter of the tube is 11.2 cm and its length is 21 cm. The metal every where is 0.4 cm thick. Calculate the volume of the metal correct to 1 place of decimal

asked by suhani on February 16, 2013
69. ## PHYSICS

A uniform plank with mass 20kg and length 12m extends 2m over the edge of a building. A 40kg crate is slid out on the plank. how far can the crate be pushed without toppling the plank? A. 0.5m B. 1m C. 1.25m D. 1.5m E. 2m

asked by Veronica on January 4, 2015
70. ## physics

A box sits at rest at the top of a ramp of length 1.79 m and elevation angle 38.0deg. The box accelerates down the ramp, and when it reaches the bottom its velocity is 4.05 m/s. What is the coefficient of friction μ on the ramp?

asked by caitlin on January 30, 2011
71. ## UTA

A vertical straight wire carrying an upward 35 current exerts an attractive force per unit length of 8.0×10−4 on a second parallel wire 7.5 away. What current (magnitude and direction) flows in the second wire?

asked by Wilwit1l on March 5, 2013
72. ## Math

Dr. Root records measurements of a vine she is studying. Compared to the first measurement, e vine has quadrupled in length. It is now more than 48 centimeters long. Use an inequality to show how long the vine might have been when Dr. Ruth first measured

asked by Sammyjoo on May 31, 2012
73. ## Math

Triangle ABC is similar to triangle APQ, with angle CBA equal to angle QPA and angle A common to both triangles. The lengths of sides AB, AP and PQ are 90 cm, 60 cm and 30 cm. Calculate the length of side BC.

74. ## Algebra 1

Adam wants to create a square garden with a walkway on all four sides. The width of the walkway is 4 feet. Write a function to represent the area of the garden in terms of the length of one side of the walkway, x. ???

asked by Rachel on December 8, 2015
75. ## math

Q. At soap and suds there are 16 washing machines in a single row with no spa e between each one. Each washing machine is 2 feet 5 in inches across. What is the total length of the 16 washing machines. A. Do I divide 16 with 2,than mulpite my answer with

asked by Phoebe on December 10, 2014
76. ## Math

Dr. Root records measurements of a vine she is studying. Compared to the first measurement, the vine has quadrupled in length. It is now more than 48 centimeters long. Use an inequality to show how long the vine might have been when Dr. Ruth first measured

asked by Sammyjoo on May 31, 2012
77. ## physics ---- really dnt get this at all

The third harmonic of a guitar string has a frequency of 170 Hz. What is the length of the guitar string if the speed of the waves on the string is 125 m/s? Choose one answer. a. 1.103 m b. 2.206 m c. 0.368 m d. 2.040 m

asked by ashley -- on April 30, 2011
78. ## Calculus

A rancher wants to fence in an area of 500000 square feet in a rectangular field and then divide it in half with a fence down the middle, parallel to one side. What is the shortest length of fence that the rancher can use?

asked by Salman on November 6, 2009
79. ## Calculus

A rancher wants to fence in an area of 5189400 square feet in a rectangular field and then divide it in half with a fence down the middle parallel to one side. What is the shortest length of fence that the rancher can use?

asked by Z32 on June 22, 2009
80. ## Math

A snack bar sells ice snow cones. An ice cube has a side length of 24 centimeters.after shaved all linear dimensions of the ice cube are 1/4 of original dimension

asked by Jazmin on September 2, 2016
81. ## physics

A girl 36 kg occupies a seat of a swing that this subject by two chains 20 m in length each. If someone drops the girl from an 8 m position below the highest of the swing. What strength exercises it on the girl when she passes through the point lower?

asked by paul on November 10, 2010
82. ## physics

A girl 36 kg occupies a seat of a swing that this subject by two chains 20 m in length each. If someone drops the girl from an 8 m position below the highest of the swing. What strength exercises it on the girl when she passes through the point lower?

asked by paul on November 10, 2010
83. ## algebra

mang pedring wanted to construct a square table such that the length of its side is 30 cm longer than its height. What expression represents the area of the table? Suppose the table is 90 cm high what would be the area?

asked by Sella on July 11, 2012
84. ## Calc

A rancher wants to fence in an area of 1500000 square feet in a rectangular field and then divide it in half with a fence down the middle, parallel to one side. What is the shortest length of fence that the rancher can use?

asked by Anonymous on July 25, 2014
85. ## physics

A laser that emits pulses of UV lasting 2.95 ns has a beam diameter of 4.05 mm. If each burst contains an energy of 4.60 J, what is the length in space of each pulse? What is the average energy per unit volume (the energy density) in one of these pulses?

asked by Ashton on October 17, 2014
86. ## GEOMETRY /PROP.

if line segment AC=120ft and the ratio of line AB:BC =3/5 - what is the length of line AB ? I set up the problem up as X:120 & 3:5 3x120= 360 and divided 5 into 360 = 72ft but the answer in the book is 45ft help!

asked by Rose on October 15, 2008
87. ## Physics

A laser that emits pulses of UV lasting 2.95 ns has a beam diameter of 4.05 mm. If each burst contains an energy of 4.60 J, what is the length in space of each pulse? What is the average energy per unit volume (the energy density) in one of these pulses?

asked by Ashton on October 16, 2014
88. ## Physics

A generator has a square coil consisting of 700 turns. The coil rotates at 78 rad/s in a 0.21-T magnetic field. The peak output of the generator is 120.00 V. What is the length of one side of the coil?

asked by Anonymous on October 22, 2013
89. ## Physics

A generator has a square coil consisting of 700 turns. The coil rotates at 78 rad/s in a 0.21-T magnetic field. The peak output of the generator is 120.00 V. What is the length of one side of the coil?

asked by Help! on October 22, 2013
90. ## Is this correct? Algebra

9. Joe wants to fence a rectangular pen for his goats. the length of the pen should be at least 60 ft, and the distance around should be no more than 260 ft. Which system of inequalities and graph represent the possible dimensions of the pen? I want to

asked by Kiki on February 7, 2018
91. ## Physics

A thin straight wire 20 cm in length carries a charge of one microcoulomb. Calculate the electric intensity and potential at a point P on the axis of the wire at a distance of 30 cm from the mid point of the wire.

asked by Atanu on September 16, 2014
92. ## Physics

If travelling waves move at 140 m/s on this string, what musical note is this string currently producing? In hertz The fundamental is 1/2 wavelength. So you have to know string length. wavelength*fundamentalfreq= wave speed.

asked by Laura on November 12, 2006
93. ## Prealgebra

Find the surface area of the prism. Round to the nearest tenth if necessary. The three sides are all 8.1 inches, the area of the base is 28.4 inches^2, and 12 inches is the length. It's a,b,c, or d. A. 348.4 in^2 B. 320 in^2 C. 291.6 in^2 D. 251.2 in^2

asked by Megan on April 24, 2015
94. ## Physics

A generator has a square coil consisting of 700 turns. The coil rotates at 78 rad/s in a 0.21-T magnetic field. The peak output of the generator is 120.00 V. What is the length of one side of the coil?

asked by Anonymous on October 22, 2013
95. ## math

Richard is flying a kite at an angle elevation of 52 degrees. he is 5 ft tall. If richard is standing 100 ft from the point on the ground directly below the kite, compute the length of the kite string.

asked by tor on February 9, 2014
96. ## Physics

A square loop,circular loop prepared from a straight wire of length L are moved out of a uniform magnetic field,acting normal to the plane of the paper at a constant velocity v.Draw the variation of induced emf with time for both the loops. How will the

asked by Raj on December 2, 2016
97. ## science

A simple pendulum with bob of mass m and conducting wire of length L swings(is hanging ) under gravity thro' an angle 2theetha. The earth's magnetic feild component in the direction perpendicular to swing is B. the max potential diff induced across

asked by somya on July 7, 2016
98. ## Math

a rectangle of integer dimensions is filed with 1x1 tiles. Each tile that touches the perimeter is colored red, while all the "interior" tiles are left white. Let R be the number of red tiles and W the number of whites tiles find R and W for a 3x10

asked by Jennifer on April 11, 2012
99. ## science/MH

1)2000mg= 2g 2)104km= 0.104m 3)480cm= 0.40m 4)5.6kg= 0.56g 5)8mm= 0.8cm 6)5L= 0.5mL 7)198g= 0.198kg 8)75mL= 0.075L 9)50cm= 0.05m 10)5.6m= 5.6cm 11)16cm= 1.6mm 12)2500m= 2.5km 13)65g= 0.065mg 14)6.3cm= 0.63mm 15)120 mg= 0.12g Thank you, I just needed

asked by Elenny on October 16, 2008
100. ## Science+Help

Please help I don't understand how to find my calculations and this is due today The length of a football field is 100 yards. When you compare geologic time (4.6 billion years) to the length of a football field, you will find that each yard on the field

asked by I need help on October 24, 2017