# 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 82
1. ## geometry

Jason designed an arch made of wrought iron for the top of a mall entrance. The 11 segments between the two concentric circles are each 1.25 m long. Find the total length

asked by Anonymous on August 10, 2015
2. ## Physics

The cylindrical driving bell whose length is 1.5m is lowered to the bottom of a tank.assume the atmospheric pressure at the surface as equivalent to 1000 cm of water and the temperature as constant

asked by Swami on November 8, 2016
3. ## ELA

Which of the following pairs of poetry elements best help the reader to identify the poem's tone? 1. Rhyme and rhythm 2. Structure and theme 3. (Connotation and denotation) 4. Speaker and line length

asked by Help I need somebody not just anybody on January 31, 2017
4. ## Chem

Microwaves have frequencies in the range 10^9to 10^12/s (cycles per second) equivalent to between 1 gigahertz and 1 terahertz. What is the wave length of microwave radiation whose frequency is 1.258 X 10^10/s? How do I solve this problem

asked by Lauren on November 1, 2007
5. ## Algebra 1

Solve by completing the square: A rectangular patio has a length of (x + 6) m, a width of (x + 8) m, and a total area of 400 m2. Find the dimensions to the nearest tenth. Please help me with this math problem. Thanks so much.

asked by Aliyah on March 16, 2018
6. ## physics

Suppose partial melting of the polar ice caps increases the moment of inertia of the Earth from 0.331MR^2 to 0.332MR^2. What is the change in length of day in seconds?

asked by nikki on March 17, 2011
7. ## Geometry

Find the missing numbers for the dimensions and measures of a rectangular prism... Length ? Width 7 m Height 5 m Surface Area 214 m to the second power Volume ? Please answer the one's with a ?. Thank you.

asked by Jacob on December 6, 2013
8. ## math

A trapezoid with an area of 48m2 has a height of 6m. One of its bases is 12m. Write and solve an equation to find the length of its other base. Also explain the work so I can understand when I do the test. Thanks

9. ## Physics

An arrow 2.5cm high is placed at a distance of 25cm from a diverging mirror of focal length 20cm. Find the nature,position and size of the image formed.

asked by Apurva on May 10, 2017
10. ## G ss jikowyi subject physics

Subject physics a spring 20m long is streched to 25cm by a load of 50n ? What will be his length when strench to 100n assuming that the elastic limit is not reached

asked by Mercy on August 19, 2015
11. ## math

a piece of cardboard is twice as it is wide. It is to be made into a box with an open top by cutting 2-in squares from each corner and folding up the sides. Let x represent the width (in inches) of the original piece of cardboard. a.Represent the length of

asked by Amy on February 15, 2011
12. ## calculus

a trapezoid is a quadrilateral with (only) two sides (called bases) that are parallel. an isosceles trapezoid has two equal legs. the area of a trapezoid is A=(1/2)*h*(b1+b2) where b1 and b2 are the two parallel bases and h is the altitude. your problem: a

asked by robert on November 17, 2011
13. ## physics

A projectile of mass m moves to the right with a speed vi. The projectile strikes and sticks to the end of a stationary rod of mass M, of length d, that is pivoted about a frictionless axle through its center. (a) Find the angular speed of the system right

asked by jack on April 6, 2009
14. ## Math

A rancher with 750ft of fencing wants to enclose a large rectangle area and then divide it into four equal-sized pens to hold animals. If the maximum area is desired to ensure humane treatment of the anima, what should be the dimensions of the larger

asked by Max on October 12, 2014
15. ## geometry

Hello, Can some one check my work. I just want to make sure I answered the questions correctly. Thanks, Nikki 1) Every rhombus is a parallelogram. True 2) Every parallelogram is a rectangle. False 3) Every rectangle is a square. False 4) Every square is a

asked by nikki on October 19, 2011
16. ## geometry

The lengths of the bases of the right trapezoid are 9 cm and 18 cm. The length of a longer leg is 15 cm. Find the area of the trapezoid.

asked by allie on May 3, 2017
17. ## Math

the area of ABCDE is 18 sq. cm.; the area of a similar pentagon PQRST is 32 sq.cm. the diagonal AC is 6 cm.; find the length of PR.

asked by Yana on October 19, 2013
18. ## Physics

A string with a length of 2.5m resonates in five loops. The string linear density is 0.05 kg/m and the suspended mass is 0.5 kg.

asked by shaquira on May 23, 2011
19. ## math

The area of a triangle is 135 square inches. If the height is 15 inches, what is the length of the base?

asked by Anonymous on March 29, 2015
20. ## physics

A copper bar is initially 20 cm long at 10 degrees C. It is then heated to a temperature of 40 degrees C. What will be its new length?

asked by Crystal on March 29, 2011
21. ## Calculus 3

Let u=j+k and v=i+jsqrt2. a) Calculate the length of the projection of v in the u direction. b) Calculate the cosine of the angle between u and v. Your help is very much appreciated!

asked by Heather on January 16, 2013
22. ## Math

State the area, A, of the bottom of the box in terms of x. length = 8.5 inches width = 11 inches

asked by Brandon on April 18, 2011
23. ## Physics

An angle of a circle with a 2 m radius is delta theta = 20 degree. What is the corresponding arc length delta s?

asked by Mary on November 20, 2016
24. ## Geometry

(SAT Prep) The perimeter of pentagon ABCDE is 30 in, AB = 7 in, BC = CD = 6 in, DE = 5 in. How many sides of the pentagon have equal length?

asked by Olivia on February 14, 2017
25. ## Econimics

What has been the effect of DRGs on hospital admissions and the length of stay? What are some advantages and disadvantages of DRGs?

asked by linda on January 11, 2011
26. ## physics

At 20°C, a brass cube has an edge length of 34 cm. What is the increase in the cube's surface area when it is heated from 20°C to 67°C?

asked by Jim on March 6, 2016
27. ## Geometry

The area of a trapezoid is 80 square units. If its height is 8 units, find the length of its median.

asked by Meredith on April 23, 2012
28. ## chemistry

A 0.25 kg length of aluminum wire is warmed 10.0°C by an electric current. How much heat was generated by the current?

asked by maria on February 3, 2014
29. ## Math

A square is inscribed in a circle of radius r. Express the length of the side of the square in terms of r.

asked by Katie on January 11, 2010
30. ## math cont'd

how would you solve this equation? the measurement of a triangle is 2m more than the base. The area is 17.5m^2. Find the length of the base.

asked by Hannie on July 13, 2008
31. ## physics

suppose the length of a clock's pendulum is increased by 0.01 exactly at noon what time will be exactly next day by noon

asked by sara on May 4, 2014
32. ## physics

How do I calculate density of a string with what I have? The string mass is 12g and length is305.4cm

asked by joy on April 20, 2018
33. ## geometry

The length of a rectagle is 9 centimeters more than half the width. Find the legth if the perimeter is 60 centimeters.

asked by josh on August 14, 2010
34. ## Algebra A

Two regular polygons have the same perimeter. If the first has 38 sides and a side length twice as long as the second, how many sides does the second have? Thnx for your help.

asked by Arbok on March 1, 2016
35. ## Math

The advertised size of a pizza is the length of its diameter. What is the area of the curst of a 16-ince pizza?

asked by Nature on April 4, 2013
36. ## Geometry

Suppose J is between H and K. Use the Segment Addition Postulate to solve or x. Then find the length of each segment. HJ= 2x+1/3 JK= 5x+2/3 KH= 12x-4

asked by Thea on September 6, 2010
37. ## glgmnhs

An arc of a cirle measure 30°.if the radius is 5cm,what is the length of the arc? Give the solution.

asked by rhachelle cortez on October 14, 2015
38. ## Math

In Triangle XYZ, what is the cosine ratio of

asked by Valentino on March 4, 2012
39. ## science

a marathon race is 42.2km. what is the length of a marathon in meters? recall that 1000m= 1km.

asked by nisha on January 13, 2011
40. ## college

the perimeter of a rectangular garden is 25.6m and the area is 36.12msquare. find the length and width of the garden

asked by barb on October 26, 2010
41. ## MATH

how would you solve this equation? the measurement of a triangle is 2m more than the base. The area is 17.5m^2. Find the length of the base.

asked by Hannie on July 13, 2008
42. ## biology

why is the cycle of some types of cells faster than in others, and which part of the cell cycle is the most variable in length

asked by Ron on January 15, 2010
43. ## college math

the perimeter of some traffic sign must be 128 inches the length is 14 inches longer than its width

asked by tracie on April 17, 2011
44. ## Math

A support beam 15 m long is cut into two piece, the lengths of which are in the ratio of 2 to 3. What is the length of each piece?

asked by Walter Williams on December 3, 2012
45. ## GEOMETRY

In a circle with a radius of 6 m, an arc is intercepted by a central angle of 7π/4 radians. What is the arc length? Use 3.14 for π .

asked by Uliseeu on March 6, 2018
46. ## Physics

A diverging lens has a focal length of -22 cm. Find the image distance when an object is placed 41 cm from the lens.

asked by Wyatt on April 10, 2013
47. ## physics

A convex spherical mirror of focal length 15.0 cm is to form an image 9.00 cm from the mirror. Where will the object be placed?

asked by Anonymous on March 30, 2008
48. ## CHEM URGENT!!

If a cube with edges of 1.000 cm weighs 25.68 g, what would the mass of a cube of the same material with sides 2.63 cm in length be?

asked by matt on January 16, 2009
49. ## Maths

almudena has cut three quarters of a rope to 3 m in length and daniel has cut 3 / 5 of another of 4 m. ? which of the two pieces are longer

asked by Blair on September 9, 2010
50. ## Geometry

An equilateral triangle has a height of 26 inches. What is the length of each side of the triangle to the nearest centimeter?

asked by Cassie on April 10, 2012
51. ## math

the area of a rectangular room is 65 m^2. Find the perimeter of the room given that its length is 3 m more than thrice its width

asked by jun gajetos on August 19, 2014
52. ## technical drawing

What length on a scale drawing would represent a distance of 85m on land if the scale was 1:10000

asked by veta on November 22, 2016
53. ## chemistry

A block of metal has a width of 3.2 , a length of 17.1 , and height of 4.8 . Its mass is 1.2 . Calculate the density of the metal.

asked by sue on June 3, 2013
54. ## chem

If a cube with edges of 1.000 cm weighs 25.68 g, what would the mass of a cube of the same material with sides 2.63 cm in length be?

asked by laura on January 13, 2009
55. ## maths

What is the length of an arc of a circle that subtends 2 1/2 radians at the centre when the radius of the circle is 8cm

asked by Joshua on October 17, 2016
56. ## maths

if a room is 5500 sq metres the romm lenth is 6 times the width what is the length of the room

asked by mary on November 29, 2016
57. ## algebra

if the fence around a rectangular field is 3000 feet,write a relationship for the length l of the field and its w.

asked by Anonymous on February 22, 2012
58. ## physics

At 20°C, a brass cube has an edge length of 34 cm. What is the increase in the cube's surface area when it is heated from 20°C to 67°C?

asked by Jim on March 5, 2016
59. ## math

the perimeter of a farm is187.2m .if its width is 39m,then find the ratio between its length and width.

asked by ratios on November 23, 2016
60. ## Geometry

The area of a square is 121 sq feet. What is the length of its sides? Would I find this by dividing 121 by 4?

asked by Phillip on June 15, 2011
61. ## physics

if the shortest lenggth of the tube for resonance is 0.1m and next resonance length is 0.35m what is the frequency of the vibration

asked by kelvin on May 30, 2013
62. ## Math

A 2009 by 2009 square has its length decreased by 50 and its width increased by 50. By how much does its area change? Thank you for your help!

asked by Lola on April 11, 2016
63. ## calculus

To ﬁnd the length of the curve deﬁned by y = 5x^3+9x from the point (-3,-162) to the point (1,14), you’d have to compute the integral [a,b] f(x)dx where a = b = f(x) =

asked by Sam on March 4, 2017
64. ## math

When the perimeter of an equilateral triangle is doubled, the result is 24. The length of a side of the original triangle is A. 4 B. 6 C. 8 D. 12

asked by James on August 15, 2014
65. ## Maths

The Length And The Bredth Of A Rectangular Field Are In The 5:3.If Its Perimeter Is 128m, Find The Dimensions Of The Field.

asked by value on March 5, 2017
66. ## physics

what is the focal length of a convex lens that forms a magnification of 0.80 if an object is 24.0cm behind the lens?

asked by Anonymous on May 1, 2011
67. ## Physics

What is the diameter of a 1.00 meter length of tungsten wire whose resistance is 0.32 ohm (electrical resistance)?

asked by Jenny on February 8, 2008
68. ## geomtry

find the arc length of the minor arc withe degree of 120 and a radius of 8

asked by justin on April 18, 2013
69. ## hialeah miami lakes

given triangle PQR with vertices P(0,-8), Q(4,-9) and R(-2,-3), find the length of the midsegment connecting the midpoint of PQ to the midpoint of PR.

asked by ivette hanon on May 3, 2011
70. ## Physics

Consider a concave mirror with a focal length of 14.98 cm. a) Find the image distance when the object distance is 14.98 cm

asked by Angel on March 27, 2012
71. ## chemistry

A block of metal has a width of 3.2 cm, a length of 17.1 cm, and height of 3.7 cm. Its mass is 1.3 kg. Calculate the density of the metal.

asked by Mely on August 27, 2010
72. ## geometry

the perimeter of a square garden is to be at least 30 feet but not more than 64 feet.find all the possible values for the length of its sides.

asked by pink on January 29, 2011
73. ## Math

A piece of wire 64 cm long is bent to form a rhombus.What is the length of each side of the rhombus

asked by Angela on April 16, 2013
74. ## GEOMETRY helpppp

In a circle with a radius of 6 m, an arc is intercepted by a central angle of 7π/4 radians. What is the arc length? Use 3.14 for π .

asked by Uliseeu on March 6, 2018
75. ## math

A length of string that is 22 feet long is being cut into piece that are 1/3 foot long. How many pieces will there be?

asked by Rod on February 24, 2015
76. ## Physics

On an unknown planet, a pendulum of length 1.5 m swings with a period of 3.3 s. What is the acceleration of gravity on this planet?

asked by Rachell on January 30, 2014
77. ## maths

an equilateral triangle is inscribed in a circle of radius 40cm. what is the length of the sides of the triangle

asked by neevetha on March 15, 2015
78. ## Physics

If youre in a room and the width is 8m length is 14m height is 2.5m how much air is in the room in kg? -Thanks! Your help is appreciated!

asked by Leslie on February 6, 2012
79. ## chemistry

If a cube with edges of 1.000 cm weighs 25.68 g, what would the mass of a cube of the same material with sides 2.54 cm in length be?

asked by kristi on April 10, 2010
80. ## chemistry

If a cube with edges of 1.000 cm weighs 25.68 g, what would the mass of a cube of the same material with sides 2.54 cm in length be?

asked by kristi on April 10, 2010
81. ## Math

The radius of the inscribed circle is 5. If the length of the hypotenuse of the right triangle ABC is 19, what is the perimeter of the triangle?

asked by Judy on May 9, 2014
82. ## physics

What is the resistance of a 7.4-m length of copper wire 1.2mm in diameter? The resistivity of copper is 1.68×10−8Ω⋅m. R=_________

asked by IM on February 7, 2014
83. ## Algebra

The length of a swimming pool is 23 units more than its width. If the area is 420sq. units, What are their dimensions?

asked by Rotchel on February 29, 2016
84. ## maths

The length of a room is 9meter it's floor is tilled by using 96 squares of 0.75 *0.75m each. What is the breath of the room

asked by sure on January 30, 2017
85. ## Math

Given that AB(vector)= (-9,4), calculate the length of AB(vector), leaving your answer correct to 3 significant figures.

asked by Christopher on December 21, 2015
86. ## Geo

(SAT Prep) The perimeter of pentagon ABCDE is 30 in, AB = 7 in, BC = CD = 6 in, DE = 5 in. How many sides of the pentagon have equal length?

asked by Anonymous on February 19, 2017
87. ## Mathematics

If a chord of length 10cm is at a distance of 12 cm from the centre of a circle. Find the radius of the circle.

asked by sneha on December 26, 2015
88. ## Math and Hurry Please!

A prism is completely filled with 2304 cubes that have edge length of 1/4 cm What is the volume of the prism?

asked by JT on March 15, 2017
89. ## College Algebra

suppose that the area of a square is six times its perimeter. find the length of a side of the square

asked by Jason on September 12, 2010
90. ## algebra

a scarf was cut into 6 pieces, each with a length greater than 5 inches. How long could the original scarf have been?

asked by eddie on February 9, 2014
91. ## Math

A regular hexagon has six sides of equal length. If each side of a hexagon is 25mm, what is the perimeter?

asked by Sam on September 29, 2011
92. ## math - see if correct

The area in square meters for a triangular sail is given by A(x) = x2 + 5x + 6. x = (5) the height of the sail is x+3 is the length of the base x+2?

asked by mason on February 23, 2009
93. ## Math

If I cut 30 feet of string into 8 pieces of equal length how long was each piece of string?

asked by Talaya on March 13, 2017
94. ## geometry

AB and AD are tangents of the circle with the center at C. The measure of BDC = 45o, and the circle has a diameter of 4. Which is the length of AB?

asked by Anonymous on February 1, 2013
95. ## math

if a box has a width of 15, a height of 9 and a length of 18, what would be the least amount of cardboard needed to make the box

asked by terminator on April 13, 2012
96. ## Physics

An object is placed at a distance of 60 cm from a converging lens with a focal length of 20cm. What is the magnification of the lens?

asked by Lance on April 10, 2018
97. ## Math

find values for r and t such that the inequality r < S < t best describes s, the length of the third sides of a triangle for which the lengths of the other two sides are given. 11. 2 and 4 thanks for the help !

asked by lisa on October 27, 2010
98. ## Algebra

99 inch pipe is cut into two pieces. One is two times the length of the other. Find the lengths of the two pieces

asked by Anonymous on November 24, 2014
99. ## Math

A rectangular sand box has a length of 5 1/3 feet and a width of 3 3/4 feet why is the answer reasonable

asked by Ciara lopez on February 11, 2017
100. ## geometry

find values for r and t such that the inequality r < S < t best describes s, the length of the third sides of a triangle for which the lengths of the other two sides are given. 11. 2 and 4 thanks for the help !

asked by lisa on October 27, 2010