# 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 40
1. ## Math

The length of a table is 3 1/3 inches. The width is 1/5 of length. Find the width and perimeter of table

asked by Lisa on March 26, 2014
2. ## Math

The width of florida is about 4/5 of its length. if the length of florida is about 450 miles, what is its approximate width?

asked by Evie on February 27, 2019
3. ## Pre-Algebra

I don't really know how to find what the lenght of the hypotenuse is. - If the length of leg #1 is 5, and the length of leg#2 is 12. What is the hypotenuse?

asked by Joy on April 4, 2008
4. ## Math

The length of a dog on a scale drawing is 9 cm if the scale is 1 cm the 6 cm what is the actual length of the dog a 15 cm be 30 cm see 54 cm D108 cm

asked by Anna on January 28, 2019
5. ## geometry

In ΔABC, AB is of the length of , and AC is of the length of . The perimeter of ΔABC is 24. (a) AB = ___units. (b) AC = ___units. (c) BC =___ units

asked by nini on March 11, 2010
6. ## physics

The length of a spring when a mass of 20g is hung from its end is 14cm,while its total length is 16cm when a mass of 30g is hung from the same end.calculate the unstretched spring assuming Hooke's law is obeyed.

7. ## algebra 1

a diagram below shows an artistic design,] if the length of the outer square is 12" and the length of the inner square is 7" what is the area of the remaining glass when the smaller square is cut form the larger square? well i multiplied 12*12 and 7*7 that

asked by li on April 16, 2013
8. ## Math

A calf is tied with a rope of length 6m at the corner of a square grassy lawn of side 20m. If the length of the rope is increased by 5.5m, find the increase in area of grassy lawn in whi the calf can graze.

asked by Anonymous on January 24, 2016
9. ## English Expressions

1. She has a ponytail. 2. She has pigtails. 3. She has braids. 4. She has long curved hair. 5. She has short wavy hair. 6. He has medioum-length straight hair. 7. He has average-length curved blond hair. ----------------------- Are the expressions above

asked by John on March 22, 2008
10. ## maths

ria took a wire of length 44cm and bend it into a shape of circle find the radius of that circle also find its area if the same wire is bent into the shaape of square what will be the length of each of its side which figure enclose more area

asked by abha on March 11, 2016
11. ## Physics

A standard biological microscope is required to have amagnification of 200. 1)When paired with a 10 eyepiece, what power objective isneeded to get this magnification? Assume that the length of thetube of a standard biological microscope is 15 . 2) What is

asked by Cassie on February 23, 2013
12. ## Math

A)how do I find an inverse variaton equation that model: Length(in.) 4 6 8 9 10 Breaking weight(pennies)24 16 13 11 9 B)Explain how your equation shows that breaking weight decreases as length increases. Is this pattern reasonable for this situation?

asked by Taylah on December 5, 2010
13. ## CALCULUS

Postal regulations specify that a package sent by priority mail may have a combined length and girth of no more than 129 in. Find the dimensions of a cylindrical package with the greatest volume that may be sent by priority mail. Hint: The length plus the

asked by Anonymous on March 30, 2011
14. ## geometry

A microscope shows you an image of an object that is 80 times the actual size. Therefore, the scale factor of the enlargement is 80. An insect has a body length of 7 millimeters. What is the body length of the insect under the microscope? I know it's 560,

asked by Brandon on March 6, 2012
15. ## intermediate algebra

Short Answer. the length of the side of a rectangular desk is given by 2x-6ycm. the length of the front is given by 2x+6ycm. what is an algebraic expression for the area of the top of the rectangular desk? include correct units as part of your answer.

asked by sheba on July 18, 2011

A carpenter has several boards of equal length. He cuts 3/5 of each board. After cutting the boards the carpenter noticies he has enough pieces left to make up the same length as 4 origional boards. How many origional boards did he start with? Someone told

asked by es on January 9, 2013
17. ## math

"The length of the Boston Marathon is 138,435 ft. Each stride, or step, by a particular runner is 3 ft. long. Does the number of strides the runner takes fit evenly into the length of the race? Explain" I don't understand what I'm supposed to do or what

asked by min yoonghy on January 11, 2018
18. ## more math

1.) If c=12âˆš3 cm, then a=___ and b=___. 2.) A refrigerator has a width of 3 feet. The angle of elevation from the bottom corner to the opposite corner is 65º. What is the height of the refrigerator? 3.) In a 30-60-90 triangle, the shorter leg has

asked by Unknown on June 12, 2010
19. ## Physics

A car going 50mi/h overtakes and passes another car moving at 45 mi/h. what length of road is required for the operation? assume that each car is 15 ft long and that there is a 60-ft space between them before and after passing. taking into account the

20. ## science

A boy runs 7 blocks North, 9 blocks Northeast, and 18 blocks West. Determine the length of the displacement vector that goes from the starting point to his final position.

asked by dsd on October 12, 2011
21. ## math

A construction crew is lengthening a road. The road started with a length of 56 miles, and the crew is adding 3 miles to the road each day. Let L represent the total length of the road (in miles), and let D represent the number of days the crew has worked.

asked by Anonymous on December 10, 2015
22. ## Chemistry

Draw the best Lewis structures for NO+, NO2-, NO2H, and NO3-. Based on the Lewis structures, list all of the the N-O bonds lengths in order of shortest (1) to longest (5). N-O bond length in >>> 2 N-O double bond in NO2H >>> 1 N-O bond length in NO3- >>> 4

asked by Dan on December 8, 2015
23. ## PHYSICS

An object 5cm tall is placed 8cm before a concave and convex lens .if the image form is 10cm from the mirror. (i). Determine the focal length of the mirror (ii). Calculate the magnification if any. Please friend I need solution

asked by Wisdom on April 9, 2018
24. ## Help me anyone - Pre-Calc

A farmer uses an irrigation sprinkler system that pivots about the center of a circular field. Determine the length of the sprinkler if an area of 2340 square feet is watered after a pivot of 20°. P.S: The formula is A=1/2 theta r^2 Please help me. Thank

asked by chizoba on July 23, 2016
25. ## Trig Help

Given the equation for simple harmonic method d=1.3cos(3pi/4 t) answer the following questions: a)Find the maximum displacement. 1.i got 1.3 b)Find the frequency and length of the pendulum c)Calculate the value of d when t=3 i got .919 d)Determine the

asked by Ryan on March 24, 2016
26. ## solid mechanics

A steel block 200mm*20mm*20mm is subjected to a tensile force of 40kn in the direction of its length.Determine the change in volume,if Eis 205kn/mm square and poisson's ratio=0.3.

asked by sushil on July 25, 2013
27. ## math

Please explain how to set this up and how to solve: A school's rectangular athletic fields currently have a length of 125 yd and a width of 75 yd. the school plans to expand both the length and the width of the fields by x yards. What polynomial is

asked by Jane on March 21, 2012
28. ## math

traffic signs are regulated by the manual on uniform control devices. the perimeter of some traffic sign must be 128 inches. Also its length is 6 inches longer than its width. Fin the width and the length of the sign.

asked by willa on June 17, 2011
29. ## Calculus

Two sides of a triangle have lengths 8 m and 13 m. The angle between them is increasing at a rate of 0.08 radians /min. How fast is the length of the third side increasing when the angle between the sides of fixed length is π/3 radians. Please help I have

asked by Mary on February 25, 2016
30. ## Math

If A= and B=, find the magnitude and direction angle for -2A +3B Find all specified roots: Cube roots of 8i A parallelogram has sides of length 32.7cm and 20.2cm. If the longer diagonal has a length of 35.1cm, what is the angle opposite this diagonal?

asked by Jane on July 30, 2014
31. ## MATH

How did you decide what the whole number part of your estimate should be for the square? What do you think you could do to get a side length of the square that would produce a more accurate area? Is it possible to find a side length that would be perfect

asked by Anonymous on October 31, 2018
32. ## PHYSICS

A copper wire and an aluminium wire have length's in the ratio 3:2.diameters n the ratio 2:3 AND FORCES APPLIED IN THE RATIO 4:5 find the ratio of increase in length of the two wires.(Y FOR COPPER =1.1*1O^11 N/m^2,Y for aluminum=0.70*10^11 N/m^2). ans:

asked by kalawathi on February 4, 2013
33. ## Physics

When the length of each side of a square is increased by 5 inches, the AREA is increased by 85 in2. Find the length of the side of the original square

asked by Lorena on August 30, 2017
34. ## College Algebra

The length of a rectangular carpet is 6 feet greater than twice its width. If the area is 72 square feet, find the carpet's length and width.

35. ## algebra

one inch is about 2.254 centimeters .A puzzle has a length of 28 centimeters .What is the length of the puzzle in inches ,rounded to the nearest tenth of an inch

asked by mayra on April 5, 2013
36. ## physics

On planet Earth, a pendulum has a length of L and a period of T .On planet Mars, the pendulum has a length of 4L and period of 5T.what is the acceleration due to gravity ?

asked by Riley on July 30, 2017
37. ## Math

How do you find the length of the base of a triangle? My math problem is: The area of a triangle is 33.6 inches. If the height is 4 inches what is the length of the base? thank you

asked by John on April 25, 2013
38. ## Algebra

A rectangular pool has a perimeter of 142 feet. The length is 25 feet longer than the width. Find the length and width of the pool.

asked by Emily on March 5, 2015
39. ## math

length______ width 14 height 11 surface area_______ volume 2029.72 length*width*height gives you volume, which you know. But you can solve for length.

asked by skye on June 12, 2007
40. ## algebra

the length of a rectangular parking lot is 3 meters less than twice its width, and the perimeter is 408 meters, find the length of the parking lot.

asked by peeka on November 30, 2010
41. ## math

The perimeter of a rectangular field is 560m.The length of the field is an eigth third of this distance.Find the length of the field.Find the width of the field

asked by Derrick on February 21, 2012
42. ## math

a piece of ribbon is cut into two shorter pieces in the ratio 2.8 : 1.25 The difference in the length of the shorter pieces is 80.6 cm. What is the length of the original piece?

asked by chris on January 6, 2015
43. ## math

on a plan of a rectangular garden the length is 12cm and the width is 9cm. the actual length of the garden is 8 yards. what is the actual width?

asked by kourtney on March 12, 2012
44. ## Math

Two sides of a triangle have the same length. The third side measures 4 meters less than twice the common length . The perimeter of the triangle is 16 meters. What are the lengths of the three sides?

asked by Joel on November 7, 2010
45. ## Physics

Vector A has length 4 units and directed to the north. Vector B has length 9 units and is directed to the south. Calculate the magnitude and direction of A+B.

asked by Glam on July 19, 2010
46. ## ms.sue 5 grade math

1-Becky made 4 quarts of chicken noodle soup in a big pot, then served -cup bowls of soup to 6 people. How much soup is left in the pot? (1 qt = 4 c) A. none B. 1 qt 3 c C. 1 qt 1 c D. 3 c my son put answer (B) 2- A bedroom has the dimensions shown. What

asked by dw on March 27, 2012
47. ## physics

The hero pursues the villain up to the top of a bungee jumping apparatus. The villain appears trapped but to create a diversion she drops a bottle. The hero quickly straps on the bungee cord to his leg and dives straight down to grab the bottle while its

asked by Jack on November 18, 2011
48. ## Physics

In a cathode ray tube, electrons initially at rest are accelerated by a uniform electric field of magnitude 4.71 x 105 N/C during the first 5.49 cm of the tube's length; then they move at essentially constant velocity another 47.9 cm before hitting the

asked by jason on January 26, 2012
49. ## Physics

In a cathode ray tube, electrons initially at rest are accelerated by a uniform electric field of magnitude 4.71 x 105 N/C during the first 5.49 cm of the tube's length; then they move at essentially constant velocity another 47.9 cm before hitting the

asked by Megan on January 25, 2012
50. ## Physics

In a cathode ray tube, electrons initially at rest are accelerated by a uniform electric field of magnitude 4.71 x 105 N/C during the first 5.49 cm of the tube's length; then they move at essentially constant velocity another 47.9 cm before hitting the

asked by Ashley on January 24, 2012
51. ## calc 3

The length script l, width w, and height h of a box change with time. At a certain instant the dimensions are script l = 7 m and w = h = 5 m, and script l and w are increasing at a rate of 6 m/s while h is decreasing at a rate of 4 m/s. At that instant

asked by Becky on September 21, 2012
52. ## math

1.)Mother bought one loaf bread costing php85.00 she also bought two packs of laundry soap that costs php74.00 a pack and toothpaste that costs php86.00 a box.if she paid a 500-peso bill,how much was her change? 2.)Lora is making a necklace.She needs 32

asked by joshua quiban on April 29, 2016
53. ## Math

To find the length of the longer leg of a 30°–60°–90° triangle, multiply the length of the shorter leg by _______. To find the length of the shorter leg of a 30°– 60°– 90° triangle, multiply the length of the longer leg by _______.

asked by Jenny on October 13, 2009
54. ## Physics

In a labratory experiment, a student measured the period of a swing for a 1 -kg pendulum for varing lengths, as shown below. Length (m) Period (s) 0.05 0.30 0.20 0.90 0.40 1.30 0.60 1.60 0.80 1.80 1.00 2.00 a.) Deterine the period of a pendulm whose length

asked by Nathaniel on June 12, 2006
55. ## algebra

the perimeter of a rectangle is 26yd, and the area of the rectangle is 36yd^2. What are the dimensions of the rectangle?

asked by topaz on June 2, 2013
56. ## Math

The sides of a rectangle are in the ratio 2:5. The perimeter of the rectangle is 70cm. What is the Width of the the rectangle.

asked by ann on January 4, 2012
57. ## geometry

The graphs y=2x+1 and 2y+x=2 contain 2 sides of a rectangle.if 1 vertex of the rectangle has coordinates (6,3), draw the rectangle.

asked by joe on January 11, 2012

A circle with radius 3 is inscribed in a isosceles trapezoid with legs of 10. Find the length of the smaller base. When I draw a diagram, calling the trapezoid ABCD with A and D at the bottom, I see that the length from where the altitude from B and C hits

asked by Knights on February 18, 2013
59. ## physics

A light string has its ends tied to two walls separated by a distance equal to five-eighths the length of the string. A 53 kg mass is suspended from the center of the string, applying a tension in the string. What is the tension in the two strings of

asked by pop on April 5, 2010
60. ## geometry

The two non-parallel sides of an isosceles trapezoid are each 7 feet long. The longer of the two bases measures 22 feet long. The sum of the base angles is 140°. a. Find the length of the diagonal. b. Find the length of the shorter base. Round your

asked by Bob on July 26, 2017
61. ## Discrete Mathematics

7. Which of the following scenarios could be described by the real valued function f(x) = x3 + 3x2 + 2x?: * A. A shoebox has a length that is 1 inch longer than its width and a height that is 1 inch longer than its length. B. We want to know the product of

asked by Joy on July 30, 2013
62. ## Physics

The airplane can take off when its airspeed (speed of the air flowing over the wing) is equal to 65 knots. What is the length of runway required for the plane to take off if there is a 22 knots head wind? The runway at the Tallahassee Regional Airport has

asked by Lindsay on October 3, 2007
63. ## physics

A light string has its ends tied to two walls separated by a distance equal to five-eighths the length of the string. A 53 kg mass is suspended from the center of the string, applying a tension in the string. What is the tension in the two strings of

asked by pop on April 5, 2010
64. ## CALCULUS

If you could give an explenation with the answers, that'd be wonderful so I actually know how to solve similar problems in the future. :) Thank you so much! 1. A convex lens with focal length f centimeters will project the image of an object on a point

asked by Samantha on November 10, 2013
65. ## math

The Fernandez family drove 273 miles in 5.25 hours. How far would they have driven at that rate in 4 hours? A rectangle made of square tiles measures 10 tiles long and 8 tiles wide. What is the width of a similar rectangle whose length is 15 tiles? While

asked by Anonymous on March 22, 2016
66. ## Math Help

Harriet needs to ship a small vase. The box she will use has a volume of 216 cubic inches. If the side lengths are the same, what is the length of each side of the box. My answer Square root of 216=14^2=196 The length of each side of the box is 14 iches.

asked by Callie on November 5, 2014
67. ## Maths (Proof)

An octagon is formed by joining the points (7,0), (5,5), (0,7), (-5,5), (-7,0), (-5,-5), (0,-7), (5,-5) and (7,0). The octagon is regular. I have used proof by exhaustion and got that all sides are square root of 29. Then sketched it, and all sides were

asked by India on April 12, 2016
68. ## physics

what are the units of wavelengh They can be any length units, but it is common to use meters for radio waves, centimeters for microwaves, micrometers for infrared, and nanometers or Angstroms (10^-8 cm) for visible and ultraviolet light. Regardless of what

asked by alejandra on December 7, 2006
69. ## math

The area of a rectangular space is 128 square feet. a. Find all the possible pairs of whole number dimensions in feet. b. Explain which pair allows enough space for a car to park. c. If the length of the space is x feet, how would you describ e the width

asked by Anonymous on March 20, 2014
70. ## Math

A shaded rectangle is 4ft by 6ft. Within the rectangle is another white rectangle 2 ft by 1 1/2 ft . What is the area of the rectangle that is not white?

asked by Parker on May 17, 2015
71. ## Math

Li is making beaded necklaces. For each necklace she uses 23 spacers, plus 3 beads per inch of necklace length. Write an equation to find how many beads Li needs for each necklace, where x is the length, in inches, of the necklace. The equation the

72. ## MATH

1. Serena has 7/8 yd of fabric. To complete her craft project, she needs 3 times that amount. How many yards of fabric does Serena need? A. 2 5/8 B. 2 7/8 C. 3 3/7 D. 3 7/8 2. A length of ribbon is 3 1/2 yd long. How many pieaces 1 5/9 yd long can Joy cut

asked by Steve on November 20, 2016
73. ## Linear Algebra

The Vector v has a length of 15 and points at an angle of 30 degrees. The Vector u has a length of 17 and points at an angle of 55 degrees. What is u*v? I know to get my answer I need to use this format |u|*|v|*cos(theta) however I am stuck at setting up

asked by Robert on September 6, 2016
74. ## math

Find the length of the arc on a circle of radius r intercepted by a central angle θ. (Round your answer to two decimal places.) Radius r: 20 feet Central Angle θ: π/4 Arc Length s: radians

asked by Danny P. on June 4, 2018
75. ## calculus honor

A rectangular box has a square base with an edge length of x cm and a height of h cm. The volume of the box is given by V = x2h cm3. Find the rate at which the volume of the box is changing when the edge length of the base is 4 cm, the edge length of the

asked by Anonymous on December 17, 2014
76. ## Calculus

A rectangular box has a square base with an edge length of x cm and a height of h cm. The volume of the box is given by V = x2h cm3. Find the rate at which the volume of the box is changing when the edge length of the base is 10 cm, the edge length of the

asked by Kate on January 16, 2015
77. ## Calculus

A rectangular box has a square base with an edge length of x cm and a height of h cm. The volume of the box is given by V = x2h cm3. Find the rate at which the volume of the box is changing when the edge length of the base is 10 cm, the edge length of the

asked by jjoossiiee on February 29, 2016

The length of a child's square-based jewelry box is 5cm more than its height. The box has a capacity of 500cm^3. Solve a polynomial equation to determine the dimensions of the box.

asked by Zara on April 29, 2017
79. ## geometry

The perimeter of the rectangle is 19 inches. The perimeter of the inscribed triangle is also 19 inches. What is the width of the rectangle? What is the lengths of the rectangle? sides of isosceles triangle = leng of rectangle + 2 base = width of rectangle

asked by Alexis on March 22, 2011
80. ## Math

The first side of a triangle is 7cm shorter than twice the length of the second side.The third side is 4cm longer than the first side. The perimeter is 80cm. Calculate the length of each side of this triangle.

asked by Cath on March 25, 2018
81. ## Algebra

The function y = –0.296x^2 + 2.7x models the length x and height y that your sister's pet rabbit can jump, in centimeters. How high does the rabbit jump? One the rabbit reaches the ground what is the total length of the jump? I got 4.6 cm high, and 6.2

asked by Starcatcher on November 22, 2016
82. ## physics

A rope of mass M uniformly distributed along its length L ,can slide without friction on a horizontal table. At instant to=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 vicky on September 22, 2016
83. ## Metric System

I have two queations that have to do with the metric system: 1- What connections can you identify between the metric units for length and volume? 2- Why is it difficult to convert miles to yrads or feet? Thanks in advance for your help! 1- What connections

asked by Olivia on August 18, 2005
84. ## Math

1. What is a reasonable distance between two cities? • 200 km

asked by Audrey on May 6, 2016
85. ## mathematics

When the length of a rectangle is increased by 20 percent and the width is increased by 10 percent, by what percent is the area increased?

asked by Anonymous on March 17, 2018
86. ## math

an extension ladder adjusts in length from 10 feet to 16 feet. suppose you've leaned your ladder against your house so that, at its minimum length, it touches the base of your first floor window, 9 feet above the ground. without moving the base, how high

asked by Anonymous on September 26, 2009
87. ## math

There is a diagram of a running track. The track is made up of two straights and two semicircles. The radius of each semicircle is 35 meters. The length of the outer perimeter of the entire running track is 400 meters. Find the length of one of the

asked by Melanie on May 19, 2016
88. ## Chemistry

A plumber installs a pipe that has a diameter of 10 cm and a length of 2.4m, Calcualte the volume of water(in cm3) that the pipe will hold. Express your answer to the correct number of significant digits. Note: The formula for the volume of a cylinder is

asked by Jessica on September 13, 2014
89. ## Math.. how to get linear function

The total length y is a linear function of the tail length x with great accuracy. The domain is the interval from 30mm to 200mm, and the range is the interval from 200mm to 1400 mm. The following two points are given: X0= 60mm, Y0= 455mm, X1=140mm, Y1=

asked by Jack on October 13, 2012
90. ## Physical Science

What is the length of an aluminum rod at 65 degress celcius if its length at 15 degrees celcius is 1.2 meters? Finallength-initiallength=coefficentlinearexpansion*(65-15). You can get the coefficent of linear expansion for aluminum from your text or a

asked by Mirayah Robinson on July 5, 2005
91. ## Science

1. A convex mirror with a focal length of -20cm forms an image 15cm behind the surface. If the object height is 1.2cm what is the image height? 2. An object is placed 10cm in front of a mirror and an image is formed that has a magnification of 2. Which of

asked by Lynette on July 26, 2011
92. ## Physics

A brass rod 50.0 cm long expands 0.0734 cm when heated. Find the temperature change. Using the equation Change in temp=change in length/original length * coefficient of linear expansion for brass I am getting the following result: .0734 cm/(1.9x10^-5)(50

asked by Jackie on July 12, 2015
93. ## geometry

The bisector of one of the angles of a rectangle also bisects a side of the rectangle. Find the perimeter of the rectangle if you know that the smaller side of the rectangle is equal to 10 cm. I need the perimeter in cm please

asked by Anonymous on April 10, 2017
94. ## Math

Rectangle A is 8 cm long and 4 cm wide. Rectangle B is 4 cm long and 2 cm wide. What is the ratio of the area of rectangle A to rectangle B? 8x4=32 4x2=8 32:8 Is my answer correct?

asked by Rene' on January 18, 2017
95. ## math

If a hiker walks trail B (1 mile in length) at 6 mph and trail C (3 mils in length) at 2 mph, what is the hiker's overall average speed, in mph, for hiking on the two trails?

asked by jake on January 28, 2013
96. ## physics

An elastic 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 2.5N?

asked by Florence on February 26, 2019
97. ## Physics

A meter stick is rotated about the end labeled 0.00 cm, so that the other end of the stick moves through an arc length of 8.60 cm. Through what arc length s does the 25.0-cm mark on the stick move? I have no clue what Im doing, I know S=tr but what is t?

asked by Ashley on October 19, 2015
98. ## physics

A converging lens is 50cm away from the object. if the distance of the image from the object is 120cm and greater than four times the focal length of the lens, what is the focal length of the said lens?

asked by sofia on March 8, 2014
99. ## math

The perimeter of a paved area being built at a playground is going to be 46 meters. If the length and width are each a whole number of meters, what should the length and width of the area be to cover the greatest possible area?

asked by maikaya Foster on April 24, 2013
100. ## geometry

square 1 has a side length of x, and square 2 has a side length of y. Square 2 is formed by joining the midpoints of the sides of square 1 in order. If x=2, find the ratio of the are of square 1 to the area of square 2

asked by kim on July 29, 2017