# 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 34
1. ## math

The area of a rectangular swimming pool is given by 3x^2+11x+6 ft^2.One side length of the pool is given by 3x+2 feet. what is an algebriac expression for the other side length of the pool? simplify and include correct units

asked by janice on February 6, 2011
2. ## Math

Actual lengths of pregnancy terms are nearly normally distributed about a mean pregnancy length (of about 38-39 weeks) with a standard deviation of 15 days: about what percentage of births would be expected to occur within 15 days of the mean pregnancy

asked by Daniel on February 12, 2013
3. ## MATH

A guy-wire is attached to a tree to help it grow straight. The length of the wire is 2 feet greater than the distance from the base of the tree to the stake. Find the length of wire. x + 2 x + 1 x how would i set this one up?

asked by jennifer on September 30, 2008
4. ## physics

Imagine a spring floating in space. This spring has a very small length when it is unstretched. The spring constant for this spring is 4.2 N/m. Now place 2.6 μC charges on each end of the spring, and allow it to stretch until it reaches a new equilibrium.

asked by Noah on February 11, 2013
5. ## physics

Two balls have the same mass of 0.525 kg and identical charges of 13.0 μC. They hang from the ceiling on strings of identical length as shown in the figure. If the angle with respect to the vertical of the strings is 22.0°, what is the length of the

asked by onder on October 15, 2011
6. ## Math

Turner measures 3/4 foot of ribbon for a costume.He needs 9 pieces of ribbon with that same length. Fill in the blanks to complete an equation that turner can use to find the total length of ribbon that he needs, in feet

asked by Anonymous on January 21, 2016
7. ## physics

Two balls have the same mass of 3.085 kg and identical charges of 21.0 ìC. They hang from the ceiling on strings of identical length as shown in the figure. If the angle with respect to the vertical of the strings is 22.0°, what is the length of the

asked by emine on October 14, 2011
8. ## Algebra1

The area of a playground is 221 yd2. The width of the playground is 4 yd longer than its length. Find the length and width of the playground. (Hint: Include correct units in your final answer.)

asked by Anonymous on May 2, 2010
9. ## Physics

The lowest A on a piano has a frequency of 27.5 Hz. Assume: The tension in the A piano wire (of length 1.8 m) is 305 N, and one-half wave- length occupies the wire. What is the mass of m the wire? Answer in units of kg.

asked by Maria on September 26, 2011
10. ## math

the width of a rectangular garden is 2 m less than its length. Determine the dimensions of the garden if the area is 36 m2. thanks!

asked by Lisa on December 30, 2012
11. ## Math

For a particular mass of gas, the volume (Vcm^3) and pressure (Pcm) of mecury (Hg) are related by P=kV^n, where k and n are constants. Reduce the relation to a linear one and determine the values of k and n given that when v=110cm^3, P=50.3cm and when

asked by José on March 24, 2012
12. ## Math

For a particular mass of gas, the volume (Vcm^3) and pressure (Pcm) of mecury (Hg) are related by P=kV^n, where k and n are constants. Reduce the relation to a linear one and determine the values of k and n given that when v=110cm^3, P=50.3cm and when

asked by José on March 24, 2012
13. ## Geometry

Can you check these multiple choice questions thanks. 1. What is the length of a rectangle that has an area of 20 square meters and a perimeter of 18 meters. A. 10 meters B. 2 meters C. 5 meters D. 9 meters Answer: B 2. Find the minimum perimeter of a

asked by Missy on September 5, 2009
14. ## Math

What is the correct way to classify the figures shown below? A. Similar B. Congruent **** C. Neither Which figure is congruent to the figure shown?1416290567.gif A. B. C. Which of the following statements are true? A. All similar figures are also Congruent

asked by Weather on February 11, 2019
15. ## Algebra

How do the solutions of the equation compare to the length of the rectangular object and the x-intercept of the graph? Provide both the solutions and measurement. x^3-10x^2+21x -108 = 0 Length: 9 inches Height: 6 inches Width: 2 inches

asked by Andrea on October 12, 2012
16. ## geometry/trigonometry

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

asked by lee pearce on June 20, 2010
17. ## math

I have two questions. I am trying to use the formulas our teacher used but I am still confused. I will discuss it with him tonight but I just wanted to get a different perspective. #1 Amy paid \$102 for a pair New Balance 1122 running shoes during a 15%-off

asked by marco on February 11, 2010
18. ## Math

The following diagram represents a coffee table . If the scale is 1:30, determine the actual dimensions of the table it is 41/2 length and 2

asked by Krista on April 12, 2015
19. ## Science

Determine the frequency of a microwave 6.0 cm in length.( A microwave is an electromagnetic wave.It travels through space at a speed of 3.0 x 10 ^8 m/s)

asked by Unknown on October 31, 2013
20. ## Ellipses:)

Given the ellipse with foci at (5,3) and (5,-5) and a major axis length of 12, determine the center using ( , ) and the denominators of the equation Center(x )^2/?, (y )^2/?=1

asked by Honey on May 15, 2012
21. ## math

The parabola whose equation is 4y^2+3x=2+8y, determine the co-ordinates of the focus, equation of the directrix and the length of the latus rectum?

asked by david on October 24, 2016
22. ## math

in an image the slanted rectangle starts at 0 over right 2 spaces. Then 2 more over to 4 up to 3 then left 2 and back to 0.what would it look after a rotation of 90 degrees about 0. a)rectangle goes to the left in quadrant 2. b)rectangle goes down in the 4

asked by gwen on May 19, 2014
23. ## math

the perimeter of a triangle is 42 inches. three times the length of the longest side minus the length of the shortest side is 49 inches. the sum of the length of the longest side and twice the sum of both the other side lengths is 65 inches. find the side

asked by tee on November 4, 2013
24. ## algebra

The area of a rectangle athletic field is represented by the expression 12y^3+48^2+24y sqaure meters. write an algebraic expression to represent one possible set of dimensions (in the same sense ''length times width'') of the athletic field. include the

asked by Liz on February 11, 2011
25. ## algebra 1

Blue prints allow an area of 20,000 square feet for the playground. the width of the rectangular playground is 80 feet less than its length and its perimeter is 640 freet. what is the length of the playground?

asked by casey on September 3, 2009
26. ## Math

An Egyptian Mummy stands upright in a case that is 3.5m high, and has a colume of 14m^3. The width of the case is half the length. What are the length and width of the case? Please leave an explanation Thanks!~~~

asked by Andy on January 11, 2009
27. ## physics

an eiastic cord can be stretched to its elastic limit by a load of 2N.if a 35cm length of the cord is extended 0.6cm by a force of 0.5N,what will be the length of the cord when the stretching force is 2.5cm.

asked by Ayo on May 13, 2015
28. ## physics

A hiker determines the length of a lake by listening for the echo of her shout reflected by a cliff at the far end of the lake. She hears the echo 1.7 s after shouting. Estimate the length of the lake.

asked by storm on September 20, 2010
29. ## Math

For a period of time as an alligator grows, its mass is proportional to the cube of its length. When the alligator's length changes by 15.8%, its mass increases by 17.3kg. Find its mass at the end of this process.

asked by Rob on August 19, 2008
30. ## math

draw a 5cm x 5cm grid in your homework book. your task is to break the grid up into rectangles of the correct size. your grid must contain 6 x 2cm rectangles, 3 x 3cm rectangles and 1 x 4cm rectangle (or square) how do i do this??

asked by chloe on October 20, 2010
31. ## Algebra Word Problem Help

I got 2 more intense problems like this. Can someone show me the way for each step so I can follow along with the other problems I have to do? ThankS! A gardener has 40 feet of fencing with which to enclose a garden adjacent to a long existing wall. The

asked by Katlyn on August 3, 2009
32. ## math

Could someone please check my math questions? any help will be greatly appreciated! Questions~ 16. A car’s speed before a sudden stop can be estimated by the formula S = √(30gk) , where S = speed of the car in mph, g = drag factor, and k = length of

asked by Abby on October 12, 2015
33. ## math

Could someone please check my math questions? any help will be greatly appreciated! Questions~ 16. A car’s speed before a sudden stop can be estimated by the formula S = √(30gk) , where S = speed of the car in mph, g = drag factor, and k = length of

asked by Abby on October 9, 2015
34. ## Physics

A spherical virus has a diameter of 50mm . It is contained inside a long, narrow cell of length . What uncertainty does this imply for the velocity of the virus along the length of the cell? Assume the virus has a density equal to that of water.

asked by paige on November 27, 2011
35. ## algebra

Essay. Show all work. the rectangular swimming pool is given by 2x^2-5x-3 ft.^2. One side length of the pool is given by 2x+1 feet. What is an algebraic expression for the other side length of the pool? Simplify this, and include correct units as part of

asked by shay on July 19, 2011
36. ## math help

1.Find the volume of a cube whose sides each measure 3.9. Round answer to the nearest tenth 2.Find the volume of an ellipsoid with a semi-major axis of length 9 and the first semi-minor axis has length of 5 while the second semi-minor axis has length of

asked by BreAnna on May 13, 2011
37. ## Algebra

Decreasing cube. Each of the three dimensions of a cube with sides of length s centimeters is decreased by a whole number of centimeters. The new volume in cubic centimeters is given by V(s) equals s power of 3 - 13s power of 2 + 54s - 72. a) Find

asked by Simone on August 6, 2010
38. ## math help

Two hundred fish caught in Cayuga Lake had a mean length of 14.1 inches. The population standard deviation is 2.9 inches. (Give your answer correct to two decimal places.) (a) Find the 90% confidence interval for the population mean length. Lower Limit

asked by Tom 81 on June 16, 2013
39. ## physics

A small particle of mass 2.0 x 10^-19 kg is attached to a string of relaxed length 0.50 nm .The string is the black horizontal line attached to a an immovable wall on the left. The plot is a graph of the force needed to stretch the string by pulling to the

asked by maggie on November 21, 2009
40. ## physics

A small particle of mass 2.0 x 10^-19 kg is attached to a nanofiber of relaxed length 0.50 nm (Recall that 1.0 nm + 10^-9 m) . The nanofiber is the black horizontal line-its attached to a substrate (an immovable wall) on the left. The plot is a graph of

asked by Maggie on November 22, 2009
41. ## physics

A small particle of mass 2.0 x 10^-19 kg is attached to a nanofiber of relaxed length 0.50 nm (Recall that 1.0 nm = 10^-9 m) . The nanofiber is the black horizontal line-its attached to a substrate (an immovable wall) on the left. The plot is a graph of

asked by maggie on November 23, 2009

A spring of negligible mass, spring constant k = 82 N/m, and natural length l = 1.2 m is hanging vertically. This is shown in the left side where the spring is neither stretched nor compressed. In the central one, a block of mass M = 5 kg is attached to

asked by ss01 on October 15, 2013
43. ## Consumer math !!!! please check

Determine the total in Dexter's account after the second month using the information below. Dexter Banler's account Principal: \$1,604 Rate: 10% compound Length of period: month >\$3208.00 \$1764.40 \$1630.85 3. Ray Sugar's account Principal: \$1,700 Rate: 9.5%

asked by Tomi on May 24, 2012
44. ## buissness math

Determine the total in Dexter's account after the second month using the information below. Dexter Banler's account Principal: \$1,604 Rate: 10% compound Length of period: month \$3208.00 \$1764.40 \$1630.85 3. Ray Sugar's account Principal: \$1,700 Rate: 9.5%

asked by morgan on October 26, 2011
45. ## math

The length of a drawing of a tool is 3/8 of the length of the actual tool. If the length of the drawing of the tool is 6 inches, what is the length,in inches ofthe actual tool?

asked by john on April 17, 2010
46. ## math

a fencing company was asked to enclose three gardens with wire fences: a rectangular garden with a length of 270 meters and a width of 1123.62 meters; a square garden with a side length of 657.955 meters; and a rectangular garden with a width of 35 meters

asked by christian on September 20, 2012
47. ## Geometry

The ratio of the side lengths of a quadrilateral is 2:4:5:7 and its perimeter is 36 meters. Determine the length of each side. x =       a =       b =       c =       d =       Show work

asked by Carrie on February 1, 2016
48. ## physics

a longitudinal wave with a frequency of 3.0 Hz takes 1.7 s to travel the length of a 2.5-m slinky (see figure 16.3). Determine the wavelength of the wave.

asked by Joe on November 18, 2012
49. ## physics

a longitudinal wave with a frequency of 3.0 Hz takes 1.7 s to travel the length of a 2.5-m slinky (see figure 16.3). Determine the wavelength of the wave.

asked by Joe on November 19, 2012
50. ## chemistry

a. Determine the density of a cube of copper with a length of 5.00 cm and a mass of 1,112.50 g. b. Calculate the number of atoms in the cube

asked by Mike on July 20, 2014
51. ## discrete math

Q 8: Count the number of 01-strings with following constraints. (a) The length is 8. Number of 1s is 2 more than number of 0s. (b) The length is 8. Number of 1s is 3 more than number of 0s. (c) The length is 9. Number of 1s is 3 more than number of 0s.

asked by akash on May 1, 2017
52. ## Math c30

Determine the period length of y=3tan 2x I had the answer to be pi , but the correct one is pi/2 How do you get that answer??

asked by don on October 22, 2011
53. ## physics

if you continue to lower the water level after recording length at the first sound resonance at fixed tuning fork frequency, you will hear the sound again but the sound gets louder(seond resonance). at this point, by what factor has length increased? why?

asked by fakhrul on July 31, 2013
54. ## Physics

An object consists of 5 masses, each of mass m, connected by massless rods. The two short rods have length L and the two long rods have length 2L. What is the moment of inertia about an axis perpendicular to the diagram (out of the page) and through the

asked by Samantha on November 10, 2016
55. ## Algebra

The lenght of one base of a trapezoid is 19 less than five times the length of the other base. If the trapezoid has a height of 18 feet and an area of 477 ft2, find the length of the longer base

asked by Sharell on August 17, 2016
56. ## Mathematics

Alec measures the length of a line accurately. His answer, correct to 1 decimal place , is 42.7 cm. What is the greatest line of the line I did not understand the last bit can someone help with it please thanx The greatest length? 42.74 cm

asked by Wales on April 25, 2007
57. ## PHYSICS

A 75 g bungee cord has an equilibrium length of 1.20 m. The cord is stretched to a length of 1.80 m, then vibrated at 20 Hz. This produces a standing wave with two antinodes. What is the spring constant of the bungee cord?

asked by Lucas on February 25, 2010
58. ## calc

Given that a window entails a rectangle capped by a semi-circle, given that the semi-circle’s diameter concides with the rectangle’s width, given that the window’s outside (linear and curvilinear) perimeter is 24 feet, and given that the

asked by Anonymous on April 4, 2013
59. ## algebra

the length of a rectangular jewlery box is 6 inches more than twice the width. the perimeter is 36 inches. find the length and width?

asked by john on October 19, 2010
60. ## Math

The width of a swimming pool is 18.5 ft, and the length is 10.75 ft. Write the ratio of length to width as ratio of whole numbers. Is the right answer 5/9?

asked by Angela on May 25, 2008
61. ## Math

How many times larger is the area of a square (Length of Sides = A) than the area of an equilateral triangle (Length of Sides = 0.5A)?

asked by Emma on February 21, 2015
62. ## math

the perimeter of an athletic field is 104 meters and the length is 12 meters more than the width find the width and the length.

asked by john on October 1, 2012
63. ## Math HELP

A 30°–60°–90° triangle has a hypotenuse with a length of 18. What is the length of the shorter leg of the triangle? A.5 B.5 sqrt 3 C.5 sqrt 2 D.20 Don't understand.

asked by dark1 on February 14, 2014
64. ## math

The perimeter of a basket court is 102 meters and the length is 6 meters longer than twice the width. What is the length and width?

asked by Felicia on February 5, 2015
65. ## math

Two similar figures have sides in the ratio of 2:3. If a side of the smaller triangle has a length of 7, what is the length of the corresponding side of the other triangle?

asked by heather on May 9, 2012
66. ## Algebra

the base of isosceles triagle is 5 m less than 4 times the length of a side. The perimeter is 67, find the length of each side and the base

asked by Mayi - In need of help - Please :) on September 30, 2013
67. ## math

the perimeter of an athletic field is 104 meters and the length is 12 meters more than the width find the width and the length.

asked by john on October 1, 2012
68. ## math

the perimeter of an athletic field is 104 meters and the length is 12 meters more than the width find the width and the length.

asked by john on October 1, 2012
69. ## Pre-Algebra

The length of a rectangular jewelry box is 5 inches more than twice the width. The perimeter is 28 inches. Find the length and the width.

asked by Willie on November 29, 2010
70. ## Math

On a scale drawing inch = 10 miles if the length of the road of this scale is 4inches how would you find the length of the road

asked by Kya on April 18, 2017
71. ## math

it's an irregular hexagon. the base of the hexagon is 12m, the length of one side is 9m, the length of the other sides are 5m, and 4m, the width of the other sides are 7m and 5m

asked by maria on February 22, 2015
72. ## algebra 1

the base of isosceles triagle is 5 m less than 4 times the length of a side. The perimeter is 67, find the length of each side and the base

asked by Mayi on September 30, 2013
73. ## math

it is given that y is directly proportional to xn. write down the value of n when (i) y m square is the area of a square length x m . (ii) y cm cube is the volume of a cube of length x cm.

asked by nurul on March 20, 2016
74. ## Geometry

What is the measure of an angle of a right triangle if the side opposite the angle has length 4 and the hypotenuse has length 8? - So far I did: sin x = 4/8 x = sin^-1 (4/8) x = 0.50° - I'm not sure what to do next

asked by Kara on September 1, 2017
75. ## physics

A Spring (k=790 N/m) has a length of 48 cm when zero net force is applied to it. What will its length be when 230 N of force is applied to stretch it?

asked by help-not sure how to do this on January 30, 2012
76. ## arithmetic

On a blueprint in which 2inches represent 5ft, the length of a room measures 7 1/2inches. The actual length of the room is

asked by Chris reed on May 11, 2012
77. ## Algebra

A reguluation racquetball court should have a perimeter of 120 ft, with a length that is twice the width find the length and the width of a court

asked by MissMoe on February 21, 2012
78. ## Geoemtry

I am given two triangles One triangle has side length of 4 and 2x+7 The other one has side length of x and 1. How do I find the lengths of the sides of these two similiar triangles

asked by Anonymous on December 10, 2016
79. ## phy

if a force of 80N extends a spring of natural length 8m by 0.4m what will be the length of the spring when the applied force 100N

asked by ikye on July 2, 2013
80. ## Geometry

In circle O, chord AB is 9 inches from the center. The diameter of the circle exceeds the length of AB by 2 inches. Find the length of AB

asked by Jonathon on April 2, 2014
81. ## algebra

if the question asks: (length) nine added to a number x and the width is three times a number x. would it be wrote like this: (length) 9+x (width) 3*x??????

asked by sammie doodles :-) on September 11, 2012
82. ## Algebra

The width of a rectangular plot is 2 feet longer than one-third the length. If the perimeter of the plot is 68 feet, find the length. HELP!!!!

asked by gdlola on January 17, 2012
83. ## math

suppose you have a pipe with circumference of 8 cm and length equal 3 cm and that 10 turn of a wire are wrapped about the pipe. what is the length of the wire

asked by math on December 7, 2007
84. ## Algebra 2

A big beach towel has a width that is 3 feet less then it's length. If the towel's area 28 square feet, what is it's length?

asked by Neli on January 17, 2011
85. ## Math

Perimeter is 60 ft. Find length and width if length is 8 ft longer than the width. Would it be 60=(8+l)+w I don't know where to put the 8 But there's two variables how would I find both l and w

asked by Amy~ on September 17, 2010
86. ## PHYSICS

original length=2.0m, linear expansivity=25(10'-6 k'-1),rise in temp=?,increase in length=3.0 (cal the rise in temp)

asked by ABEL on January 22, 2018
87. ## Algebra

The perimeter of a basketball court is 108 meters and the length is 6 meters longer than twice the width. what are the length and the width?

asked by John on September 21, 2013
88. ## math

the perimeter of a basketball court is 102 meters and the length is 6 meters longer than twice the width. What are the length and width?

asked by tj on October 28, 2014
89. ## Math

The ratio of the width to the length of a rectangular garden is 2:3 which of the following could be the width and length of the garden? PLEASE HELP THIS IS FOR MY ENED OF YEAR FINAL!!!!!! W=12 L=13 W=18 L=12 W=24 L=39 W=12 L=18

asked by Eliza on April 28, 2018
90. ## geometry

An isosceles trapezoid has bases length 19 and 11 centimeters and length 13 centimeters. What is the area of the trapezoid to the nearest tenth?

asked by Ana on December 13, 2011
91. ## MATH

The length of three sides of a triangle are (x+1)cm 2xcm and 3x+1)cm its perimeter is 30cm. Find the value of x and the length of wach sides of triangle

asked by Julaine on November 23, 2016
92. ## phy

If a force of 80N extends a spring of natural length 8m by 0.4m what will be the length of the spring when the applied force is 100N

asked by christ on January 24, 2013
93. ## Algebra 2

A square has a length of x inches and a width of 2 inches less than the length. If the dimensions were doubled, what would be the area of the new square in terms of x? A.(2x-4)in^2 B.(8x-8)in^2 C.(2x^2-4x)in^2 D.(4x^2-8x)in^2

asked by gh on December 29, 2014
94. ## math

The length of a rectangular swimming pool is 15 feet longer than the width. If the perimeter is 82 feet, then what are the length and the width?

asked by heidi on November 30, 2008
95. ## math

On a blueprint in which 2 inches represent 5 feet, the length of a room mesure 7 1/2 inches. The actual length of the room is?

asked by kate rapp on October 1, 2013
96. ## Math

The perimeter of a small rectangular garden is 18 feet. if the length is twice the width, find the width and the length of the garden.

asked by Katelyn Haggard on September 4, 2016
97. ## algerbra

the length of a rectangular jewlery box is 6 inches more than twice the width. the perimeter is 54 inches find length and width.

asked by donna on October 12, 2010
98. ## Math

The length of a dog on a scale drawing is 9 cm. if the scale is 1 cm:6 cm, what is the actual length of the dog? A: 15cm B: 30 cm C: 54 cm ( I CHOOSE THIS) D: 108 cm

asked by MATH HELP FAST PLS on December 13, 2015
99. ## algebra

The perimeter of a pool is 64 feet and has a width of x and a length of x-4. Write an equation and find both the width and length of the pool.

asked by bob on February 1, 2014
100. ## Math

Suppose that 8 turns of a wire are wrapped around a pipe with a length of 60 inches and a circumference of 4 inches. What is the length of the wire

asked by Marche on February 13, 2012