# 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 113

1.Explain the relationship(s) among angle measure in degrees, angle measure in radians, and arc length.

asked by Ryan on February 20, 2016
2. ## Physics

A brass is 2m long at a certain temperature.what is it’s length after a temperature rise of 100k if the expansivity of brass is 18x10-6k-1

asked by Kate on December 27, 2018
3. ## physics

If it requires 5.5 J of work to stretch a particular spring by 2.0 cm from its equilibrium length, how much more work will be required to stretch it an additional 4.1 cm?

asked by Bill on November 12, 2011
4. ## heart and lungs/cardiorespiratory fitness

what is the ideal length of time for a cool-down following an intense workout a.0 to 3 minutes b.15 to 20 minutes c.3 to 5 minutes d.5 to 15 minutes my answer is d

asked by susue on February 5, 2014
5. ## Algebra

b=2, c+ sqrt of 13. Trying to find the length of the 3rd side. It is a right triangle with A on top, 2 on the right side and the sqrt of 13 on the left.

asked by Lucy on May 5, 2012
6. ## Physics

a new unit equal of length is equal to 10 M the area of a m square expressed in term of new unit has a magnitude of (1) 0.05 (2) 0.50 (3) 5.05 (4) 5.00

asked by Mimi on June 29, 2018
7. ## maths

a owns a rectangularers compound of length 40 meters and width 25 meters what is the area of this compound in ares

asked by jack on January 20, 2012
8. ## geometry

Points P(1, 5) and Q(4, 1) on a coordinate grid represent side PQ of triangle PQR. What is the length of side PQ of the triangle?

asked by Billy on November 11, 2011
9. ## Math

A pond is 36 m long. A duck swims 4 length of the pond each day. How far does the duck swim in 4 weeks

asked by Cortney on September 7, 2018
10. ## math

The equation of line l is 3x-4y=24. the line intersects the x -axis at A and the y -axis at B. GIVEN THAT M is the point (4,-3) and O is the origin . find the length of AB .

asked by asif on October 5, 2014
11. ## math

The diagonal of a TV set is 26 inches long. Its length is 14 inches more than the height. Find the dimensions of the TV set.

asked by jake on February 21, 2016
12. ## math

Karyn cuts a length of ribbon into 4 equal pieces, each 1 1/4 feet long. How long was the ribbon?

asked by taniya on January 27, 2015
13. ## geometry

A right triangle has a base that is 2 more than twice the height. Find the length of the base for the triangle. If the area is 30 square units.

asked by Raj on January 31, 2011
14. ## FAST Angle Help! (Math)

Which value could be the length of the missing side of the triangle? (the side of the triangle has 5, the bottom has a 12 and the top has a X) PLZ I NEED HELP FAST!!!!!!!!!!!!

asked by Agala on January 11, 2017
15. ## physics

the velocity of sound in air is 332m/s. if the unit of length is km and the unit of time is hour,what is the value of velocity?

asked by sam on July 28, 2011
16. ## Math

A rectangular garden covers 16,000 ft2. Its length is 60 ft longer than its width. What is the width of the garden?

asked by Annonymous on November 17, 2015
17. ## math

The base of a triangle is 11. The other two sides are integers and one of the sides is twice as long as the other. What is the shortest possible length of a side of the triangle?

asked by john on August 7, 2014
18. ## math

the lengths of the three sides of a right triangle R have odd integer values and two of the three sides have lengths 3 and 5. What is one possible length of the third side?

asked by max on July 23, 2013
19. ## math

A roll of ribbon is cut into 28 pieces, each \frac{3}{4} m long. What was the TOTAL length of ribbon on the roll?

asked by indira on February 28, 2017
20. ## trig

right triangle has an acute angle of 24.8 and an adjacent length of 145 what is the side opposite of the acute angle

asked by lo on February 14, 2012
21. ## physics

A pendulum has a length of 1.35m. What mass should be placed on a spring with a spring constant of 10.0N/m to have oscillations with the same period as the pendulum.

asked by Joe on November 4, 2012
22. ## physics

A wire of nichrome of length 80cm has a resistance of 50 ohms. if the wire is four folded, find new resistance.

asked by vanditha on August 29, 2016
23. ## math

The base of the triangle is 17. The other two sides are integers and one of the sides is twice as long as the other. What is the longest possible length of the side of the triangle.

asked by Anonymous on August 6, 2015
24. ## Math

Two chords intersect inside a circle. The lengths of the segment of one chord are 4 and 6. The length of the segment of the other chords are 3 and what?

asked by Rhonda on September 23, 2011
25. ## Geometry

A rhombus has diagonals of length 4 and 10. Find the angles of the rhombus to the nearest degree. would the angles be 136 and 44?

asked by anna on March 10, 2008
26. ## Math

A rectangular sandbox has a length of 60 inches, a width of 40 inches, and a depth of 6 inches. What is the volume in cubic inches?

asked by Anne on August 2, 2012
27. ## maths

A chord is 2cm from the centre of a circle. if the ratius of the circle is 5cm, find the length of the chord

asked by obaji on July 13, 2014
28. ## Math plz help it only one question

What is the volume of the rectangular prism? (there is a rectangular prism with a height of 7 mm width of 9.6 mm and a length of 5 mm) Plz help and can you show me how its done? thanks!

asked by I LOVE PHINES AND FERB on April 3, 2016
29. ## Math

the diagonals of a rhombus are in the ratio 3:4. if its perimeter is 40cm then find the length of the sides and diagonals of the rhombus

asked by Sneha on June 4, 2017
30. ## physics

a brass rod is 2 m long at a certain temperature. what is its length for a temperature rise of 100 K, if the expansivity of brass is 18 *10^-6K-1?

asked by Edward on March 7, 2015
31. ## math-

how do you find the area of a triangle? 1/2 x B x H (one half times the base length times the height of the triangle)

asked by jules on February 13, 2007
32. ## Algebra

The perimeter of a rectangular field is 424 feet. The length is 4 feet more than the width. find the width.

asked by Tina on September 27, 2008
33. ## Math

The length of a track around a football field is 1/4 mile. How many miles do you walk if you walk 2 3/4 times around the track?

asked by Mia on November 3, 2011
34. ## Math

Find the length of segment BC if segment BC is parallel to segment DE and segment DC is a medsegment of triangle ABC. A(-3,4) E(4,3) D(1,1) B and C do not have coordinates

asked by Jillian on January 5, 2010
35. ## Math

Find the perimeter of a rectangular area with a length of 13 inches and a width of 7 inches. with distribution and without distribution

asked by You know it on November 11, 2018
36. ## geometry

In the accompanying diagram of triangle ABC side DE is parallel to AC. If BD is 8 and BA is 18, that is all on side d is the midpoint of BA and BC is 27 with the midpoint E what is the length of BE??

asked by Michelle on June 8, 2010
37. ## math

The thompson family's new deck is 19 2/5 feet long. There is 12 inches in 1 foot. What is the length of the deck in inches?

asked by Anonymous on March 4, 2013
38. ## geometry

Jose is planning to spread fertilizer on his rectangular yard.His yard has a length of 40 ft and width of 25 ft.How much fertilizer does he need

asked by jay on June 13, 2017
39. ## maths

The angle between two tangents from a point to a circle is 82 degree.What is the length of one of these tangents if the radius of the circle is 80mm?

asked by Shane on March 3, 2013
40. ## geometry

If a triangle has angle measures 15, 120 and 45, and the length of the side between the 15 and 120 angles is 8, what is the area of the triangle?

asked by Linda on February 10, 2011
41. ## math

The base of a triangle is 3 cm greater than the height. The area is 14cm^2. Find the length and height of the base.

42. ## trigonometry

The length of AB is 1 mulliken (10 inches) on ΔABC. Calculate the lengths of AC = _____________ mullikens and BC = _____________ mullikens.

asked by a on September 10, 2015
43. ## math

Two mechanical shafts are joined together at their ends. Together, their total length is 17 2/9 ft. If one shaft is 7 5/9 ft long. How long must the other shaft be?

asked by donny on May 4, 2014
44. ## geometry

in a diagram of a scalene triangle ABC, line DE is the midpoint of line AB and line AC and DE=7 find the length of line BC

asked by melinda on December 5, 2010
45. ## physics

a brass rod is 2m long at a certain temperature. What is its length for a temperature rise of 100k, if the expansivity of brass is 18*10

asked by Maro on January 3, 2017
46. ## geometry

point A is located at (1,5) and point B is located at (3,2). What is the length of line segment AB in simplest radical form

asked by shay on February 15, 2012
47. ## mathematics

the base of an isosceles triangle is 27dm.if the length of a leg is 11 more than one-third of the base,find the perimeter of the triangle?

48. ## math

A square has a side of length 2 inches. How long is a side on a square that has twice the area? please answer and explain

asked by Thomas on January 5, 2014
49. ## Physics

If it requires 7.0 of work to stretch a particular spring by 2.1 from its equilibrium length, how much more work will be required to stretch it an additional 3.7?

asked by Stew on November 1, 2010
50. ## science

Two rods of equal length and temperature at end of the rods is T1 and T2. What is the condition for equal flow of heat through them

asked by gayathri on November 23, 2016
51. ## Geometry

the side of a regular hexagon is twice the square root of its apothem. find the apothem and side length.

asked by Sofia on January 12, 2011
52. ## algebra

the base of a triangle is 5cm greater than the height. The area is 33cm^2. What is the height and the length of the base?

asked by Armelia on July 23, 2010
53. ## math

a 50 foot length of rope was cut into two pieces. the first piece is 5 feet more than twice the second. what are the lengths of the two pieces of rope?

asked by alondra on May 6, 2013
54. ## MATH

A rectangular prism has a volume of 6,090 cm3, a width of 14 cm, and a length of 15 cm. What is the height of the rectangular prism?

asked by SHANNON on November 11, 2010
55. ## geometry

The perimeter of rectangular playground is 200 feet. If the length is 5 feet less than twice the width, what are dimensions of the playground

asked by lisa on March 8, 2012
56. ## Algebra/ Pre Calc

The area of a circle is 78.5 square centimeters, and a subtending arc on the circle has an arc length of 6π. The estimated value of π is 3.14.

asked by Amy on July 7, 2015
57. ## math 2

a plimber has a 2 meter length of pipe. he needs to cut it into sections that are 10 centimeters long, how many sections will he be able to cut?

asked by kimmy plus on February 19, 2014
58. ## Math

A fence is 20 ft long. it has posts at each end and at every four feet along its length. how many fence posts are there? Draw a picture.

asked by Derek on May 20, 2013
59. ## math

A parallelogram has an area of 8x^2 - 2x -45. The height of the parallelogram is 4x + 9. I know the formula for a parallelogram is A=bh. Please work and explain how I get the length of the base of the parallelogram. Thanks

asked by Jane on March 27, 2013
60. ## Algebra

Find a polynominal for the perimeter and for the area. The demensions are: Width:b+3, Length:b The perimeter is: The area is: Do not factor. Please help.

asked by Kaui on March 2, 2009
61. ## Math

The sides of a triangle are three consecutive odd integers. The perimeter of the triangle is 39 inches. What is the length of each of the three sides?

asked by ANONYMOUS on January 3, 2013
62. ## math

a 41 inch ribbon was cut into five shorter ribbons of equal length how long was each shorter ribbon

asked by george on December 7, 2011
63. ## Statistics

Thirty-three small communities in Connecticut (population near 10,000 each) gave an average of x = 138.5 reported cases of larceny per year. Assume that σ is known to be 42.9 cases per year. (a) Find a 90% confidence interval for the population mean

asked by Amy on December 3, 2016
64. ## Calculus

A rectangular piece of tin has an area of 1334 square inches. A square tab of 3 inches is cut from each corner, and the ends and sides are turned up to make an open box. If the volume of the box is 2760 cubic inches, what were the original dimensions of

asked by James on June 13, 2016
65. ## Physics

An infinitely long thin metal strip of width w=12cm carries a current of I=10A that is uniformly distributed across its cross section. What is the magnetic field at point P a distance a=3cm above the center of the strip? I have tried using the integration

asked by Joel on April 4, 2014
66. ## Physics

At one time, television sets used "rabbit-ears" antennas. Such an antenna consists of a pair of metal rods. The length of each rod can be adjusted to be one-sixth of a wavelength of an electromagnetic wave whose frequency is 65.0 MHz. How long is each rod?

asked by Mary on October 13, 2007
67. ## intermediate algebra

Essay.Show all work. A gardener wants to create a rectangular garden with the length of 3x-2y ft. and the width of 3x-3y ft. What is an algebraic expression for the area of the garden.Be sure to multiply this out.Express in the simpliest correct

asked by Lueshelle on April 11, 2012
68. ## physics - energy question

A simple pendulum, 2.0 m in length, is released with a push when the support string is at an angle of 25° from the vertical. If the initial speed of the suspended mass is 1.2 m/s when at the release point, what is its speed at the bottom of the swing? (g

asked by icy on March 26, 2008
69. ## Math (calc)

An open box with a square base is to have a volume of 12ft^3. Find the box dimensions that minimize the amount of material used. (round to two decimal places). it asks for the side length and the height. Please help asap due in a few hours. Thank you

asked by Kyle on February 8, 2017
70. ## Calculus

Suppose an airline policy states that all the baggage must be boxed shaped with a sum of length, width, and height not exceeding 138 inches. What are the dimensions and volume of a square based box with the greatest volume under these conditions.

asked by Jahaira on May 9, 2017
71. ## Science(physics)

A spring 20cm long is stretched to 25cm by a load of 50N. What will be its length when stretched by 100N assuming that the elastic limit is not reached? I want the answer abd solving to this question and also the formula for young modulus of elasticity

asked by Rachel on January 19, 2016
72. ## Physics

An object is placed 5 cm in front of a concave lens of focal length 7 cm. Find the image location by drawing a ray tracing diagram to scale. Verify your answer using the lens equation. I am confused on what numbers would be negative in my formula of

asked by Frank German on December 5, 2014
73. ## science

All of the following factors are related to the plate tectonic model of the western coast of South America except the 1) length of the coastline 2) pattern of the earthquake activity 3) location of volcanoes 4) density of crustal plates 5) location of

asked by nathalia on June 21, 2016
74. ## Math

Bottom part of the greenhouse has a length of 350cm a width of 220cm and a height of 250cm. The angle at the peak of the roof measures 90 degrees. Sketch the frame and label it with its actual dimensions. How do I calculate the actual demensions?

asked by Anonymous on January 8, 2013
75. ## calc

I have another question (studying for finals, haha) Let ~r(t) = et cost ~i + et sin t~j be parametric equations of a curve C. Find the length of C from t = 0 to t = π. so the equation I am using is the integral from a to b (in thsi case 0 to pi) of the

asked by rebecca on December 7, 2014
76. ## geometry

A Japanese fan can be made by sliding open its 7 small sections (or leaves), which are each in the form of sectors of a circle having central angle of 15. If the radius of this fan is 24 cm, find out the length of the lace that is required to cover its

asked by Niel on March 15, 2014

A electrician charges $50 for the first half-hour of work and$30 each hour for additional time. Stoney Point High School budgeted $200 to repair the refrigeration system. What length of service call with the budget not be exceeded? asked by Monica on February 21, 2011 78. ## Physics A 240 g mass is attached to a spring of constant k = 5.4 N/m and set into oscillation with amplitude A = 26 cm. (a) Determine the frequency of the system in hertz. (b) Determine the period. (c) Determine the maximum velocity of the mass. (d) Determine the asked by Jill on November 11, 2012 79. ## science when you use a graph to solve a problem about how far a car traveled during a specified time during which it was accelerating how many area calculations do you have to make? what is/ are the shape/shapes you are calculating? a. one area calculation, a asked by carrie on May 12, 2010 80. ## Accounting Complete the following exercise. In December 20X2, the Cardoso Company established its predetermined overhead rate for jobs produced during the year 20X3 by using the following cost predictions: Overhead costs:$750,000 Direct labor costs: \$625,000. At

asked by Jane on February 3, 2015
81. ## math

The area of a rectangle is 45 cm2. Two squares are constructed such that two adjacent sides of the rectangle are each also the side of one of the squares. The combined area of the two squares is 106 cm². Find the lengths of the sides of the squares.

asked by Anonymous on January 5, 2019
82. ## Math

I'm confused about a question on a math test. The question is: Which statement is a true statement? The answer choices are: A. All rectangles are squares B. All squares are rectangles C. Every rhombus is a rectangle D. Every rectangle is a rhombus. I

asked by DustyRose<3 on January 13, 2017
83. ## Science help

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 will equal 46 million years, and each 10-yard section will equal 460 million years.

asked by Aria on November 4, 2015
84. ## Math

A cotton reel has a diameter of 3cm. 91 metres of cotton goes around it. How many times does the cotton go around the reel? And give your answer to the nearest ten

asked by Kevin on September 28, 2016
85. ## math

in a circle of radius 6cm , a chord is drawn 3cm from the circle (a)calculate the angle subtended by the chord at the centre of the circle

asked by kelvin mafara on January 31, 2017
86. ## Physic

Before continuing we need a little more information about the angle factor given in the formula above. It turns out that the angle factor is equal to the cosine of the angle that the light strikes the surface as measured from perpendicular. In this

asked by Luis on July 15, 2012
87. ## mathematical literacy

The scale on a map is given as 1:2 000 000.the distance between two towns on the map is 4,3cm?

asked by ntiso on March 13, 2016
88. ## maths

a paper cone has a base diameter of 8cm a height of 3cm. a)caculate the volume of the cone in terms of pie b)if the cone is cut and opened out into the sector of a circle.what is the angle of the sector

asked by ulubi on June 15, 2016
89. ## Math

Sarah needs to cover the lateral area and the base on top of the cylinder. (cylinder 6 in on the base 12 in in length) About how many square inches of paper will Sara need? 282 in. 2 254 in. 2 679 in. 2 565 in. 2

asked by Alina on June 4, 2015
90. ## GEOMETRY

Find the exact length of the altitude drawn to the hypotenuse. Do not round. The triangle is not drawn to scale. A triangle with base measures of 9 & 17. Draw a diagram. Using similar triangles, we know that h/9 = 17/ã370 I need more help with this.

asked by Anonymous on February 13, 2015
91. ## math

Anna is designing rectangular garden that has an area of 182 square feet, and the length is longer than the width. The table lists the possible whole number dimensiones for the garden. Which dimensiones are missing?

asked by Jessica on April 4, 2016
92. ## physics

Suppose a bimetallic strip is constructed of copper and steel strips of thickness 1.33 mm and length 23.5 mm, and the temperature of the strip is reduced by 4.50 K. If the strip is 23.5 mm long, how far is the maximum deviation of the strip from the

asked by Anonymous on November 4, 2014
93. ## Tulane University

Frank and Oswalt report a molar absorptivity of 4700 L mol^-1 cm^-1 for thiocyanatoiron(lll) ion. What absorbance would you expect for a soloution that it 1.0e-4 M in thiocyanatorion(lll) ion, if the path length is 1.00 cm?

asked by Mariah on March 6, 2015
94. ## maths

A rectangular box with given dimensions length=80m, width=64m and height=48m. Has its two largest sides painted green. what percentage of the total area is painted green?

asked by Claudia on May 31, 2016
95. ## Physics

Two identical rods are placed end to end, separated by a gap of width D. Each rod has charge Q spread uniformly along its length L. Calculate the force between the rods. I need some help. My teacher doesn't give us much help. Thank you!

asked by Lindsey on February 7, 2013
96. ## Physics

A violin has an open string length (bridge to nut) of L=32.7 cm. At what distance x from the bridge does a violinist have to place his finger on the fingerboard to play a C (523.3 Hz) on the A string (fundamental frequency 440 Hz)?

97. ## physics-5

A pilot begins a race at a speed of 755.0 km/h and accelerates at a constant uniform rate for 63.21 s. The pilot cross the finish line with a speed of 777.0 km/h. From this data, calculate the length of the course.

asked by NoNo100 on September 16, 2009
98. ## Maths

Coordinate Geometry A=(7,4) B=(2,0) Gradient of AB = 4/5 Equation of AB in ax+by=0 for is 4x-5y-8=0. The length of AB in surd form is root41. The point C has coordinates (2,t), where t>0 and AC=AB. a) find the value of t. b) without plotting point, find

asked by Anonymous on October 12, 2015
99. ## Physics

Two identical rods are placed end to end, separated by a gap of width D. Each rod has charge Q spread uniformly along its length L. Calculate the force between the rods. I need some help. My teacher doesn't give us much help. Thank you!

asked by Lindsey on February 7, 2013
100. ## maths-urgently needed

ABCD is a square with length of each side 1cm. An octagon is formed by lines joining the vertices of the square to the mid points of opposite sides. Find the area of the octagon?

asked by Anonymous on February 5, 2013