true or false?The surface area of an open rectangular box is the same as the surface area of a closed rectangular box

46,776 questions
1. algebra

true or false?The surface area of an open rectangular box is the same as the surface area of a closed rectangular box.

asked by ashly on May 26, 2011
2. Math

Check my answer please? Yuri is wrapping presents. The first box measures 9 inches by 12 inches by 2 inches. He has a second box with dimensions that are each half of the length of the first box. How does the surface area of the second box compare with the

asked by Sammy on April 17, 2011
3. GEOMETRY LATERAL AND SURFACE URGENT (PLEASEHELP)

1.A RECTANGULAR BOX IS TO BE PAINTED ON ALL ITS SIDES. IF THE BOX IS 15 DM LONG, 12 DM WIDE AND 6 DM HIGH. HOW MUCH SURFACE IS TO BE PAINTED ? 2. IF EACH SIDE OF AN OPEN CUBICLE BOX IS 2X+3 CM. FIND ITS TOTAL SURFACE AREA. 3. MICHEAL IS TO MAKE A BOX IN

asked by Mia on July 9, 2013
4. math

If the length of each dimension of the rectangular prism is cut in half, then surface area will be 1/4 of the original surface area. true or false

asked by Anonymous on April 26, 2015
5. Calculus

I actually have two questions: 4. An open box is to be made from a rectangular piece of material 3m by 2m by cutting a congruent square from each corner and folding up the sides. What are the dimensions of the box of the largest volume made this way, and

asked by Anonymous on May 18, 2010
6. math

a triangular prism has bases that are equilateral triangles which statements are true about the surface area of the triangular prism? choose all that apply all three rectangular faces have the same surface area the surface area of each rectangular face is

asked by Prettyluuhryah on February 1, 2019

It's possible for a body to have both rotational and translational motion at the same time. True.

asked by Chelsea on February 3, 2014
8. calculus

A container company is tasked to make an open-top rectangular box with a square base. The box must have a volume of 108cm^(3). let the length of the sides of the square base be x cm and the height h cm. (1) what value of x will produce the minimum outer

asked by NIKI on August 4, 2011
9. Math

A rectangular OPEN box has a l=18cm h=5cm w=11.5cm and surface area=502cm^2. What is the volume of this rectangular open box?

asked by Marko on July 25, 2016
10. Math

A rectangular OPEN box has a l=18cm w=11.5cm h=5cm and Surface area=502cm^2. What us the volume of this open rectangular box?

asked by Marko on July 25, 2016
11. Math

1. identify the net of the trapezoidal? 2. what is the surface area of the rectangular prism? 3. find the surface area of the triangular prism. 4. how much greater is the surface area of the rectangular prism the surface area of the cube? 5. what happens

asked by Prettyluuhryah on February 1, 2019
12. Algebra

The surface area of a box is 160. The length of the box is twice its width as well as 4 less than its height. How many units are in the height of the box? (The surface area of a box is the sum of the areas of all 6 of its rectangular faces.)

asked by XXX on June 3, 2015
13. Calc

A rectangular box, with a square base and open at the top is to be constructed. If the volume of the box needs to be 108 cubic feet, what is the minimum surface area?

asked by Erica on January 23, 2011
14. math

A triangular prism has bases that are equilateral triangles. Which statements are true about the surface area of the triangular prism? Choose all that apply. A triangular prism is shown. One of the sides of the triangular base is 6 centimeters. The height

asked by Ms.Sue Pls help me 😢 on April 30, 2019
15. calculus

A box of rectangular base and an open top has a surface area 600 cm2. If the height of the box is equal to its width, find the dimensions that give a maximum volume.

asked by ayah on January 14, 2013
16. Calculus, Surface Area

An open rectangular box (no top) has a square base with side 10 cm and height 16 cm. The surface area is:

asked by Anonymous on February 17, 2014
17. Maths

Q1. A metallic sheet of the rectangular shape with dimensions 50cm x 40cm. From each one of its corner, a square of 5cm is cut off. An open box is made of the remaining sheet. Find the volume of the box and the total surface area of the box.

asked by Freshi on February 1, 2017
18. MATH 12

The total surface area of a square-based open top rectangular box is 12 square units. Find the dimensions of the box such that the volume is the maximum.

asked by BIINWEI on April 28, 2014
19. Maath

The surface area S of the rectangular solid in the figure is S = 2(24) + 2(4x) + 2(6x). Find the length x of the box if the surface area is 248 square centimeters.

asked by Kelly Vitteli on September 18, 2012
20. Math/209

Dimensions of a Box A box is made from a rectangular piece of metal with length 50 inches and width 40 inches by cutting out square corners of length x and folding up the sides. (a) Write an expression that gives the surface area of the inside of the box.

asked by Shay on March 12, 2013
21. Calculus I Quick Optimization Problem

Could you please explain this problem step by step, thank you! You are planning to make an open rectangular box that will hold a volume of 50 cubed feet. What are the dimensions of the box with minimum surface area?

asked by Lisa on January 3, 2012
22. Geometry,Math

Is my data correct? For package design I will use a cylinder. The Equation for the surface area of a cylinder is A = 2 π r h + 2 π r² . The equation for the volume of a cylinder is V = π r² h. I have chosen a cylinder for my cereal box because I

asked by Help! on May 22, 2016
23. Calculus

a rectangular box of given volume is to be "a" times long as it is wide. find the dimension for which it has the least total surface area ? L= aw Total surface area= 2LW + 2Lh + 2Wh = 2aw^2 + 2awh + 2wh But volume= lwh= 2aw^2 h or h= V/2aw^2 Total Surface

asked by Hero on December 10, 2006
24. math

The height of an open box is 1cm more than the length of a side of its square base.If the open box has a surface area of 96cms,find the dimensions using quadratic equation

asked by shani on June 22, 2016
25. calculus

Find the formula for the described function and state its domain. An open rectangular box with a volume of 8 cubic meters has a square base. Express the surface area of the box as a function of S(x) of the length x of a side of the base.

asked by DJ on October 27, 2010
26. physics

Consider a closed triangular box resting within a horizontal electric field of magnitude 7.8x104 N/C as shown in Figure. Calculate the electric flux through (a) the vertical rectangular surface, (b) the slanted surface, and (c) the entire surface of the

asked by maram on May 13, 2019

find a rectangular contains at least 231 cubic inches.the height of the box must be exactly 1/4th of the width of the box. the box is closed on all 6 sides. the surface area of the box minimized.?

asked by jasmine on March 23, 2014
28. Pre Cal

find the surface area of a box of hieght h whose base dimensions are p and q, and that satisfies either one of the following conditions: a) the box is closed. b) the box has an open top. c) the box has an open top and a square base.

asked by Ashley on July 24, 2011
29. math

A rectangular box open at the top has a square base. The internal side of the base is x cm long and the total internal surface area of the box is 432cm2. Express in terms of x. (i) the internal height h, of the box; (ii) the internal volume V, of the box.

asked by kd on October 31, 2018
30. Intermediate Algebra

A parcel delivery service has contracted you to design an open box with square base length x cm and height y cm has a volume of 3600 cubic cm. Find the total surface area in terms of x and y. Also determine the dimension for minimum surface area (round

asked by Ann on October 10, 2015
31. Algebra

Volume and surface area are often compared by manufacturers in order to maximize how much of something can go inside of a package (volume) while keeping how much material is required to create the package (surface area) low. Pick a product that might be

asked by ALAYA on May 24, 2018
32. Physics

A 0.422-kg ball with a speed of 1.31 m/s rolls across a level surface toward an open 0.348-kg box that is resting on its side. The ball enters the box, and the box (with the ball inside it) then slides across the surface a distance of 0.473 m. What is the

asked by Anonymous on November 9, 2014
33. Calculus

A box has rectangular sides, top and bottom. The volume of the box is 3 cubic meters. The height of the box is half the width of the base. Express the total surface area of the box in terms of the height of the box.

asked by Anonymous on November 29, 2017
34. physics

A rectangular box of length 2/3m is initially traveling at 2 m/s with its entire length over a smooth (perfectly frictionless)surface .The box gradually moves onto a rough surface and stops the instant that its entire length is positioned within the rough

asked by unowen on November 19, 2017
35. Math

Find the surface area of rectangular pyramids 1. Length= 1.15ft Width=0.82 ft Height of the slanted face =3.17ft Surface Area=7.1879ft^2 Formula for Rectangular Pyramid Surface Area : B+1/2pl B=area of base p=perimeter of base l=height of slanted face

asked by Jerald on February 5, 2014
36. algebra

have 50 sq ft of material to make an open top box with a square base. a) use formula for surface area to express the height h of the box in terms of x. b) find the dimensions of the box that will produce the maximum volume.

asked by Sejul on December 3, 2011
37. Math

From a 10-inch-by-19-inch piece of cardboard, 3-inch-square corners are cut out, as shown in the figure above, and the resulting flaps are folded up to form an open box. Find the surface area and volume of the open box

asked by Tory on April 26, 2011

To find the surface area of a box, add the areas of the faces: 2(lw) + 2(lh) +2(wh). What is the surface area of the box below? H=8m W=5m L =11m My answer is 366m.

asked by Stephon on December 14, 2014
39. math

a smaller box has dimension that half the measurements of the orignal . find the ratio of the surface area of the orginal box to the surface area of the smaller box

asked by mystique on March 21, 2013
40. math

a manufacturer wants to design an open box that has a square base and a surface area of 48sq units what dimension will produce a box with a maximum volume?

asked by ruth on February 15, 2016
41. math

A box with an open top has vertical sides, a square bottom, and a volume of 256 cubic meters. If the box has the least possible surface area, find its dimensions.

asked by kitor on June 4, 2013
42. health

8. Roger broke out in an awful rash after hiking in an area where poison oak grows. he is likely suffering from______. A) asthma B) an allergy

asked by kaliyah on December 1, 2017
43. Calculus

Assume you wish to make a box whose base is a rectangle with one side twice as long as the other side and whose volume is 100 m^3. What would the minimum surface area be, if there is a minimum surface area? b) Under the same sceenerio as in (a), what would

asked by Abigail on May 13, 2011
44. Physics

A horizontal spring with spring constant 110N/m is compressed 16cm and used to launch a 2.8kg box across a frictionless, horizontal surface. After the box travels some distance, the surface becomes rough. The coefficient of kinetic friction of the box on

asked by Tracie on June 5, 2014
45. Physics

A horizontal spring with spring constant 110N/m is compressed 16cm and used to launch a 2.8kg box across a frictionless, horizontal surface. After the box travels some distance, the surface becomes rough. The coefficient of kinetic friction of the box on

asked by Lena on June 8, 2014
46. physics

A horizontal spring with spring constant 73.2 N/m is compressed 16.7 cm and used to launch a 2.42 kg box across a frictionless, horizontal surface. After the box travels some distance, the surface becomes rough. The coefficient of kinetic friction of the

asked by amy on October 31, 2009
47. MATH

A box with an open top has vertical sides, a square bottom, and a volume of 4 cubic meters. If the box has the least possible surface area, find its dimensions. Length of base= Height=

asked by Jim on November 14, 2012
48. Math

True or False?? Although the surface area of a sphere may be decreasing, the value of the volume will remain the same. True right?

asked by candy on July 12, 2011
49. GEOMETRY

2. IF EACH SIDE OF AN OPEN CUBICLE BOX IS 2X+3 CM. FIND ITS TOTAL SURFACE AREA.

asked by Mia on July 9, 2013
50. geometry

a closed box of uniform thickness is made of wood 1cm thick. Its extenal dimensions are 6cm and 5 cm by 4 cm. Find the a. volume of the wood used in making the box. b. the capacity of the box, given that the cover is full length and full width c. The

asked by lindsay on April 24, 2012
51. Math

We want to construct a closed rectangular box whose base has a length three times the width. The surface area has to be 600 cm2. Determine the dimensions of the box that will produce the largest volume.

asked by R on December 20, 2016
52. Geometry

What is the lateral surface area of the prism? Rectangular prism Length: 17.2 Width: 3 Height: 5.5 283.8 m^2 292.4 m^2 325.4 m^2 407 m^2 I already found the surface area (325.4 m^2) and I'm using the formula for lateral surface area 2lh + 2wh... but I keep

asked by SkatingDJ on April 21, 2016
53. math

1) A rancher wants to enclose two rectangular areas near a river, one for sheep and one for cattle. There is 240m of fencing available. Express the area of the enclosures as a function of its dimension. 2) A container company is designing on open-top,

asked by Daniel on April 5, 2013
54. math

Marie is using a rectangular box to ship a framed painting to a friend. The box is 20 inches wide, 24 inches long and 6 inches deep. What is the surface area of the box?

asked by carl on May 25, 2016
55. math

Juanita covered the outside of a gift box shaped like a rectangular prism with paper. The box is 3.2 feet long, 2.1 feet wide, and 2.7 feet high. Which of the following is closest to the total surface area of this box?

asked by Lil Star on April 12, 2019
56. Math

An open top box with a square base has a volume of 30ft^3. The total surface area of the box is? a) S.A=x^2-60/x b) S.A=x^2+60/x c) S.A=x^2-120/x d) S.A=x^2+120/x

asked by Syndra on December 28, 2016
57. Calculus

Q. An open-top box with a square base is to have a volume of 62.5 square inches. What dimensions will yield the box of minimum surface area? I am getting 5" by 2.5" but not sure.

asked by Casey on March 3, 2012

Juanita covered the outside of a gift box shaped like a rectangular prism with paper. The box is 3.2 feet long, 2.1 feet wide, and 2.7 feet high. Which of the following is closest to the total surface area of this box? a)34ft b)42ft c)30 d)18

asked by my name will forever be unknown on February 17, 2018
59. math

Please help with this problem. Compute the following volume and surface area. A rectangular solid has sides of 7 cm, 9 cm, and 11 cm. What is its surface area. ________ square centimeters

asked by Leo on June 18, 2012
60. Geometry

What is the formula for finding the surface area of a right rectangular prism? (ex: The base of a right rectangular prism is 10 ft by 7 ft. The height is 3 ft. Find the surface area)

asked by Cara on January 14, 2010
61. Calculus

1. Chris makes an open-topped box from a 30-cm by 30-cm piece of cardboard by cutting out equal squares from the corners and folding up the flaps to make the sides. What are the dimensions of each square to the nearest hundredth of a centimetre, so that

asked by Icy on June 17, 2007
62. math

The volume of two similar rectangular prisms are 64cm^3 and 1000cm^3. The surface area of the smaller figure is 112cm^2. What is the surface area in square centimeters of the

asked by Anonymous on May 24, 2017
63. ms.sue help!!! (math )

hi im doing surface area I wondering how do you get the answer . this is the question Find the total surface area of a rectangular prism having dimension 1) 45cm by 30cm by 20cm

asked by rian on February 3, 2014
64. math

A cube of surface area X is sliced into two rectangular prisms. One of the prisms has surface area 1/2X. What is the surface area of the other prism?

asked by Anonymous on April 22, 2019
65. geometry

1.The surface area of a rectangular prism is 150 cm². If all the sides are tripled, what will the new surface area be?

asked by kee on August 10, 2011
66. Science

The Sun's surface layer is called the photosphere True or false? I think the answer is true. A star system has at least 3 stars. True or false? I think the answer is false. I am not completely sure on these. Could someone check them for me?

asked by Anonymous on October 29, 2015
67. physics

A 55.0-kg box rests on a horizontal surface. The coefficient of static friction between the box and the surface is 0.300. What horizontal force must be applied to the box for it to start sliding along the surface?

asked by chyenne on January 13, 2016
68. Maths - Differentiation

A closed rectangular box is made with sides of length (in cm) 2x,2x and y respectively. The volume of the box is 64cm^3. A) show that the surface area (six faces) of the box is given by: A = 8x^2+128/x B)find the Valur of x for which dA/dx=0 C)find

asked by Anonymous on January 28, 2016
69. math/algebra

The surface area of a rectangular prism is SA=2lw+2wh+2lh. The volume of a rectangular prism is V=lwh. Write an expression for the ration of surface area to volume.

asked by james on June 9, 2016
70. calculus

Find the dimensions of the rectangular box having the largest volume and surface area 60 square units

asked by diego on October 12, 2014
71. Physics

A 4.5kg box slides down a 4.1-m -high frictionless hill, starting from rest, across a 1.7-m -wide horizontal surface, then hits a horizontal spring with spring constant 490N/m . The other end of the spring is anchored against a wall. The ground under the

asked by Lena on June 8, 2014
72. Math

A box company produces two sizes of pizza boxes. The smaller box has a surface area of 260 square inches. The larger box has a length, width, and height that are twice those of the smaller box. What is the surface area of the larger box? Choices are: A.

asked by Mary - Help plz on May 25, 2011
73. Geometry

3. A box company produces two sizes of pizza boxes. The smaller box has a surface area of 260 square inches. The larger box has a length, width, and height that are twice those of the smaller box. What is the surface area of the larger box? A. 520 square

asked by Mary on May 25, 2011
74. geometry

The total surface area of a rectangular solid is the sum of the areas of the six faces. If each dimension of a given rectangular solid is doubled, what effect does this have on the total surface area?

asked by Jen on October 1, 2018
75. Math

A square sheet of cardboard 100 cm by 100 cm is to have corners of side length x cut out. These cutouts will create flaps that can be folded up to form a box with no lid. The length and width of the base of the box are given by the expression (100 – 2x),

asked by Alex on January 11, 2015
76. Math

If a rectangular box has A width of 2cm, a length of 3cm, and a height of 5cm, what is the surface area? Is it 62cm2?

asked by Evie on April 19, 2010
77. Physics

An open box with a square base (see figure) is to be constructed from 160 square inches of material. The height of the box is 3 inches. What are the dimensions of the box? (Hint: The surface area is S = x2 + 4xh.) 1 . in. (length) × 2 . in. (width) × 3 .

asked by Kristi on September 3, 2012
78. Math

How much greater is the surface area of the rectangular prism than the surface area of the cube.

asked by Latoya on April 7, 2016
79. math

Find the lateral and surface area of the right rectangular prism whose length is 7 cm, width is 5 cm, and height is 1.5 cm. I got 36 as my lateral area and 106 as my surface area. Is this right?

asked by keisha on November 11, 2007
80. math

Find the lateral and surface area of the right rectangular prism whose length is 7 cm, width is 5 cm, and height is 1.5 cm. I got 36 as my lateral area and 106 as my surface area. Is this right?

asked by keisha on November 11, 2007
81. Kinematics

A 55.0kg box rests on a horizontal surface. The coefficient of static friction between the box and the surface is .300. What horizontal force must be applied to the box for it to start sliding along the surface? Please write out the solution. I am getting

asked by Jaybird on October 5, 2012
82. MATH

A cardboard sheet is of rectanguler shape with dimensions 48m x 36m. From each of its corners,a square is cut off so as to make an open box. if the side of the square of the square is 8m, find the volume and lateral surface area of the box.

asked by SHUBHAM on April 1, 2015
83. Physics

A box of mass 50.0 kg is connected to a second box with a mass of 54.0 kg. Both are sitting on a horizontal surface and the coefficient of kinetic friction between the surface and each box is 0.51. If the second box is pulled away from the first box with a

asked by Anonymous on March 24, 2014
84. maths

A metal pipe is 63cm long. Inner diameter of a cross section is 6m and the outer diameter is 8cm find:-surface area of the base a , surface area of the base b , the outer curved surface area inner curved surface area total surface area

asked by chaithu on November 8, 2012
85. Science

For this activity, we had to make cube shaped models to represent cells. Then we had to compare surface area, volume, and surface area to volume ratio (SA:V) between the cells.  Cell A:  length of one side=1cm  Surface area= 6cm^2  Volume= 1cm^3

asked by Sarah on March 21, 2017
86. math

1(a) a rectangular plot is bounded at the back by a river. No fence is needed along the river and there is to be an opening in front of about 24 meters. If the cost of fencing in front is \$1500 per meter and the cost of fencing on the sides is \$1000 per

asked by gibbs on May 10, 2013
87. math...

We had to find the surface area of various rectangular prisms. I did most of them easily, but there are two that I need a little help with... The first one is: The length is 13m The width is 5m The height is 4m So what is the surface area? The second one

asked by Amy on May 7, 2007
88. Help pls

A box is dropped from a spacecraft moving horizontally at 27.0 m/s at a distance of 155 m above the surface of a moon. The rate of freefall acceleration on this airless moon is 2.79 m/s2. (a) How long does it take for the box to reach the moon's surface?

asked by misha shrutt on December 15, 2010
89. physics

A box is dropped from a spacecraft moving horizontally at 27.0 m/s at a distance of 155 m above the surface of a moon. The rate of freefall acceleration on this airless moon is 2.79 m/s2. (a) How long does it take for the box to reach the moon's surface?

asked by misha shrutt on December 15, 2010
90. physics

A box is dropped from a spacecraft moving horizontally at 27.0 m/s at a distance of 155 m above the surface of a moon. The rate of freefall acceleration on this airless moon is 2.79 m/s2. (a) How long does it take for the box to reach the moon's surface?

asked by kevin giordano on December 15, 2010
91. physical

for a gaussin surface through which the net flux is zero the following 4 statements could be true which of the statements must be true a)tere are no charges inside the surface b)the net charge inside the surface is 0 c)the electric field is 0 everywhere on

asked by abbas on February 16, 2014
92. math

The surface area of a rectangular prism is 729 square meters. What is the surface area of a similar prism that has edge lengths that are larger by a scale factor of 3

asked by Anonymous on April 16, 2015
93. Math

Jason is building models in the shape of rectangular prisms. The smaller model has a surface area of 35" sq. and a scale factor of 6. What is the surface area of the larger model?

asked by Robert on May 7, 2010
94. Math

The surface area of a rectangular prism is 10.4 in2. What is the surface area of a similar prism that is larger by a scale factor of 3? I am tearing my hair out over this question! Please help asap!

asked by Kat on May 5, 2011
95. Geometry

The volume of two similar rectangular prisms are 64cm^3 and 1000cm^3. The surface area of the smaller figure is 112cm^2. What is the surface area in square centimeters of the larger figure?

asked by George on September 29, 2013
96. Calculus

A closed box is to be rectangular solid with a square base. If the volume is 32in^3, determine the dimensions for which the surface area is minimum.

asked by kieran on October 1, 2012
97. Geometry plz help

A rectangular solid has a top face with surface area of 28 ft, a front face with surface area of 20 ft, and a side face with surface area of 70 ft. What is the volume of this solid?

asked by Ryan on November 29, 2009
98. Geometry - Ms Sue

Do I need more information to work this problem???? A box company produces two sizes of pizza boxes. The smaller box has a surface area of 260 square inches. The larger box has a length, width, and height that are twice those of the smaller box. What is

asked by Mary on May 25, 2011
99. math

A box in the shape of a rectangular prism has a dimension of 30 meters x 27 meters x 28 meters. What is the surface area of the box?

asked by sam on February 9, 2015
100. Essential Mathematics 2

Find the surface area of the closed rectangular box shown 6cm, 5cm, 3cm S.A.= (LW)+2(HL)+2(HW) I did: (5x6)+2(5x3)+2(6x3)=96 am I correct?

asked by DestinyLashea on May 10, 2011