Saturday

November 28, 2015
Number of results: 66,812

**Geometry**

Sarah is making a scale drawing of a painting that is 48 in. wide by 120 in tall. her paper is 12 in. wide and 24 in. tall. She decides to use the scale 1 in. = 4in. is this a reasonable scale?
*September 30, 2013 by gabbi*

**7th grade math**

Sue Thank you I understand how to do those problems. I have one last question: Is this true or false: If the scale factor between two similar shapes is 1, the the two shapes are the same size. (Note If two similar figures have a scale factor of 1, they are congruent).
*October 28, 2009 by DIANE*

**geometry**

the area of the first triangle is 22 sq feet. if the scale factor of two similar traingles if 3, what is the area of that second triangle>?
*January 18, 2011 by dylan*

**Geometry**

The scale factor of two similar solids is 7:5. 8) Find the ratio of volumes. 9) Find the ratio of surface areas.
*April 14, 2011 by Need Help*

**geometry**

The scale factor is 5/4. Find the area of the pre-image if the area of the image is 150 in2.Show your work.
*March 27, 2013 by bre*

**geometry**

the endpoints of AB are A(9,4) and B(5,-4) the endpoints of its image after a dilation are A1(6,3) and B1(3,-3) explain how to find the scale factor. Is there someone that can help me with this problem and explain foe me?
*March 7, 2012 by Brandon*

**geometry**

the scale factor of two similar polygons as 4:7. the perimeter of the smaller polygon is 320 centimeter what is the perimeter of the larger polygon
*March 27, 2012 by joselynn*

**Geometry**

The scale factor of two similar triangles is 2/5. if the perimeter of the small triangles is 80 cm, what is the perimeter of the large triangle?
*April 2, 2011 by Amanda*

**Geometry**

The scale factor for two similar triangles is 4 : 3. The perimeter of the smaller triangle is 12. What is the perimeter of the larger triangle?
*April 27, 2011 by Tyler*

**geometry**

Two similar solids have a scale factor of 3:5. If the height of solid 1 is 3cm, what is the height of solid 2?
*November 15, 2011 by alisa*

**geometry**

Two similar solids have a scale factor of 3:5. If the height of solid 1 is 3cm, what is the height of solid 2?
*November 15, 2011 by alisa*

**geometry**

The scale factor for two similar triangles is 4 : 3. The perimeter of the smaller triangle is 12. What is the perimeter of the larger triangle?
*May 13, 2012 by adeny*

**geometry **

Assume there are 2 similar polygons, whose scale factor is 4:5. If the larger polygon has an area of 30 units squared, what is the area o the smaller polygon?
*February 13, 2011 by Mark*

**geometry**

if a scale factor of four is used, the points in the image will be eight times as far from the origin as at he pre-image points true or false
*June 28, 2013 by Barb*

**geometry**

Two similar rectangular prisms have a scale factor of 4:9. The volume of the smaller prism is 60 cm3. Find the volume of the larger prism.
*July 16, 2010 by hello*

**Geometry**

Given the volume of two cubes, find the scale factor. 6) V = 343 in3 and V = 729 in3 7) V = 1331 ft3 and V = 125 ft3
*April 14, 2011 by Need Help*

**Geometry**

Quadrilateral GHIJ is a scale drawing of quadrilateral ABCD with a scale factor r. Describe the following statements as always true, sometimes true, or never true, and justify your answer. a. AB/GH = BC/HI b. perimeter (GHIJ) = r * perimeter (ABCD) c. Area (GHIJ) = r * area (...
*February 13, 2015 by Jess*

**Dilations**

1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (-1,2) and (3,-3). a. (2,4) and (6,6) b. (2,4) and (6,6) c. (-2,4) and (6,-6) d. (2,-1) and (-3,3) 2. Given a scale factor of 1/2, find the coordinates for the dilation of ...
*October 24, 2012 by Jman *

**Algebra**

I reduced a diagram on my computer using a scale factor of 8o%(i.e. the linear dimensions of the diagram were reduced so they became 80% of the original dimensions). What scale factor is required to return the diagram to original size?
*January 13, 2008 by Bobby*

**GEOMETRY**

If ABC ~ DEF and the scale factor from ABC to DEF is 1/6, what are the lengths of DE,EF , and DF, respectively?
*February 26, 2014 by QUILO*

**MATH**

A model train is a scale model created from actual measurements. The scale factor for HO or Half Zero model trains is 1:87. A typical engine is 50mm in height and 200mm in length. Determine the actual dimensions of the train engine. Help Please
*March 28, 2010 by Anonymous*

**MATH**

A model train is a scale model created from actual measurements. The scale factor for HO or Half Zero model trains is 1:87. A typical engine is 50mm in height and 200mm in length. Determine the actual dimensions of the train engine. Help Please
*March 28, 2010 by Anonymous*

**algebra**

A triangle has an area of 20 inches squared. Every dimension of the triangle is multiplied by a scale factor, and the new triangle has an area of 180 inches squared. What is the scale factor.
*January 16, 2012 by Anonymous*

**Algebra 1**

a triangle has an area of 20 inches squared. every dimension of the triangle is multiplied by a scale factor, and the new triangle has an area of 180 inches squared. what was the scale factor?
*October 6, 2013 by Shanelle*

**Science**

Which scale measures the amount of damage after an earthquake? Richter scale Mercalli intensity scale moment magnitude scale seismograph scale
*December 7, 2009 by george*

**math**

The scale model of a rectangular garden is 1.5 ft by 4 ft. The scale model is enlarged by a scale factor of 7 to create the actual garden. What is the area of the actual garden? 6 42 252 294
*July 20, 2015 by DeMarcus Smith*

**Geometry**

You find an old scale drawing of your home,but the scale has faded and you cannot read it. How can you find the scale of the drawing?
*November 17, 2015 by RONDA*

**Math**

Please help me with this!! The actual length of the picnic table is 180cm with legs 60cm. What is the scale factor for this diagram?
*February 27, 2014 by Cherie*

**Math help please!!!!!!**

Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints(-1,2) and (3,-3) A. (2,4) and (6,6) B. (2,4) and (6,6) C. (-2,4)and (6,-6) D. (2,-1) and (-3,3) Is the answer C ? Thank you
*November 13, 2014 by Callie*

**Math help please!!!!!!**

Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints(-1,2) and (3,-3) A. (2,4) and (6,6) B. (2,4) and (6,6) C. (-2,4)and (6,-6) D. (2,-1) and (-3,3) Is the answer C ? Thank you
*November 13, 2014 by Callie*

**Math**

A computer chip on a circuit board has a rectangular shape, with a width of 6mm and a length of 9mm. Plans for the circuit board must be drawn using a scale factor of 15. Draw a scale diagram of the computer chip as it would appear on the plans. Please show work.
*July 31, 2013 by Anonymous*

**Pre-Algebra Help Ms. Sue Please!!!**

Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3, –3). A.(–2, 4) and (6, 6) B.(2, 4) and (6, 6) C.(–2, 4) and (6, –6) D.(2, –1) and (–3, 3)
*November 7, 2012 by Anonymous*

**Geometry - Transformations and Dilations**

When a square of area 4 is dilated by a scale factor of k, we obtain a square of area 9. Find the sum of all possible values of k. I do not understand...it is not 3/2, as I was told, but I don't understand why? Help?
*February 21, 2013 by Knights*

**Geometry **

Polygon ABCD has vertices A(–4, 0), B(–2, 4), C(3, 4), and D(8, 0). Polygon A'B'C'D' is the dilation image of ABCD, using the center (0, 0) and a scale factor of 0.5. What are the coordinates of A', B', C', and D'? This question has me confused. Could someone just show me an ...
*May 23, 2011 by Miranda*

**math**

The scale drawing of a rectangular room will be enlarged by a scale factor of 4 to create the actual room. The actual area of the room will be 150 square feet. What expression finds the area of the scale drawing?
*July 17, 2015 by DeMarcus Smith*

**math**

The scale drawing of a rectangular room will be enlarged by a scale factor of 4 to create the actual room. The actual area of the room will be 150 square feet. Which expression finds the area of the scale drawing?
*November 5, 2015 by Anonymous*

**geometry**

rectangle a is similar to smaller rectangle b. the scale factor is 5/3. if the area of rectangle a is 150 square inches, what is the area of rectangle b?
*March 22, 2012 by josh*

**Math**

1. Write the ratio in the simplest form. 50: 10 (1 point) 25: 5 10: 2 5: 1* 1: 5 2. Solve the following proportion x over 2 = 8 over 9 (1 point) 144 0.44 1.78* 36 3. Sarah’s mother has a miniature village modeled after her home town. The model is 10 feet long and 7 feet wide. ...
*January 15, 2014 by anonymous*

**geometry**

George is building a model of his father's sailboat with a scale factor of 1:32. The actual sail is in the shape of a right triangle with a base of 8 meters and a hypotenuse of 13 meters. What will be the approproximate perimeter of the sail on the model boat?
*January 24, 2011 by Marjorie*

**Geometry **

a game room has a floor that is 120 feet by 75 feet a scale drawing of the floor grid paper uses a scale of 1 unit:5 feet what are the dimensions o the scale drawing
*October 19, 2014 by Maria *

**Geometry **

You have purchased a scale model of a car. The scale factor is 1:24. The model is 2.9 inches high, 2.75 inches wide, and 6.4 inches long. Find the dimensions of the car in feet. If the rear cargo area of the actual car has a volume of 12.5 cubic feet, what is the volume of the...
*May 13, 2011 by Sharon*

**geometry**

I realy need help please!!!! 1-Describe the translation in words: (x, y) (x - 4, y - 9) A)4 units to the left, 9 units down B)4 units to the left, 9 units up C)4 units to the right, 9 units down D)4 units to the right, 9 units up 2-][3-,2.[1,4],[-5,4]2,-3]at element is in row ...
*May 11, 2011 by mo*

**Geometry**

An architect makes a scale drawing. She uses 2 cm to represent 100 m. What is the scale ratio for her drawing? Show your work.
*November 26, 2010 by Kristen*

**geometry**

with 2 pentagons (A, B, C, D, E) & F, G, H, I, J.) start with A in lower left corner. Same with F. AE=10, BC=8: FG=9, FJ=15. There are diagonal line CE & HJ. x= AB, Y=GH. Find the scale factor of ABCDE to FGHIJ; need value of x & y; perimeter of ABCDE is 38, what is perimeter ...
*April 12, 2015 by mary*

**math **

Troy is building a pool that is proportional to the Olympic-sized pool. The width of his pool will be 625 centimeters. find the scale factor troy will use to build his pool use the scale factor to show the length of troys pool if the length of the Olympica pool is 50 meters ...
*December 16, 2010 by Court*

**geometry**

two round fountains are similar. one measures 4'6 across and the other measures 9'7 across. find the scale factor from the small one to the large one
*June 5, 2015 by bobbie*

**Math**

If i have a scale factor to enlarge a picture at 11/3, how would i get the scale to get from the big picture to the small picture?
*October 11, 2007 by Brittany*

**Geometry**

Angle DEF is similar to Angle HJK and the scale factor of angle DEF to anle HJK IS 5/2. If EF =15 FIND JK Here is what I came up with Am I correct 5/2 = EF/JK 5/2 =15/JK 5(JK)=30 JK=30/5 JK=6 Thanks much
*June 13, 2007 by DANIELLE*

**geometry**

Joe's living room is a rectangle and measures 15 ft by 27 ft. Using a scale of 1 in. = 3ft. How could I sketch it and show both the actual measurements and the scale measurements
*February 20, 2012 by snoop*

**Geometry**

The ratio of the volume of Cylinder A to the volume of Cylinder B is 1:5. Cylinder A is similar to Cylinder C with a scale factor of 1:2 and Cylinder B is similar to Cylinder D with a scale factor of 1:3. What is the ratio of the volume of Cylinder C to the volume of Cylinder D?
*May 13, 2014 by Anonymous*

**Earth Science**

11. Which earthquake scale takes into consideration the damage caused by an earthquake? A. Amplitude scale B. Moment magnitude scale C. Richter scale D. Modified Mercalli scale D?
*February 13, 2015 by Sarah *

**geometry**

216 in cubed is the volume of a figure 27 in cubed is the volume of a similiar figure what is the scale factor?
*March 23, 2011 by Nasser *

**Scale Representations**

A model airplane is made on a scale of 1:128. A)What is the scale factor of the model? B)If the airplane has a wingspan of 30 cm, what is the wingspan of the actual airplane?
*March 29, 2012 by Sari*

**geometry**

Below is a scale of my garden. It is drawn at 3in: 8ft scale. To the nearest whole squre foot what is the area of my garden? **picture of octagon with one side 8in**
*December 13, 2011 by Nicole*

**Geometry**

The side length of square ABCD is 1 unit. Its diagonal, AC, is a side of square ACEF. Square ACEF is then enlarged by a scale factor of 2. What is the area of the enlargement, in square units?
*March 27, 2012 by Kayla*

**science**

You are designing a scale model of the solar system mercury it is 4,878 km in diameter.using the following scale factor, how large does your model of mercury need to be? A. 160cm B. 16cm C.146cm D.30cm
*January 26, 2011 by walter*

**Geometry - help please**

AB is tangent to circle O at B. The diagram is not drawn to scale. If AB = 6 and AO = 11.7, what is the length of the radius (r)? Round the answer to the nearest tenth. 5.7 8.9 10.0 13.1
*May 27, 2015 by Sandra*

**geometry**

A park at the end of a city block is a right triangle with legs 150 ft and 200 ft long. Make a scale drawing of the park using the following scale 1in:300ft.
*February 1, 2012 by ian*

**math**

The area of the scale model of a playground is 6 square yards. The scale model is enlarged by a scale factor of 3 to create the actual playground. What is the area of the actual playground?
*July 17, 2015 by DeMarcus Smith*

**geometry**

Can someone help? Your make a scale drawing of a tree using the scale 5 in. =27 ft. If the tree is 67.5 ft tall, how tall is the scale drawing?
*February 18, 2012 by myles*

**Geometry**

You make a scale drawing of a tree using the scale 5 in. = 27f ft. If the tree is 67.5 ft. tall, how tall is the scale drawing
*February 19, 2015 by Anonymous*

**Algebra 8th grade please help!!!!!!**

A right triangle has an area of 13 m2. The dimensions of the triangle are increased by a scale factor of 3. What is the area of the new triangle? Please help!!!! a)39 m2 b)169 m2 c)117 m2 d)142 m2
*November 28, 2012 by April :)*

**Math algebra Help please**

A right triangle has an area of 24 ft^2 the dimensions of the triangle are increased by a scale factor of 6 A.48ft^2 B.72ft^2 C.144ft^2 D.864ft^2
*October 16, 2014 by Jeff*

**math**

A male moose is 2.6 m tall and 3.2 m long, with antlers that are 1.2 m across. An artist wants to carve scale models of the moose. She uses a scale factor of 1/30. a) What are the dimensions of the carvings to the nearest centimetre? b) How many carvings can she make using ...
*January 14, 2013 by alan*

**6th Grade Geometry**

Hello, I'm having trouble doing this math geometry someone help me please? Thanks: Calculate the area of the trapezoid which is not drawn to scale. It is not a regular trapezoid! It looks like a rectangle and when you get to the top cut the rectangle and make the part you cut ...
*March 11, 2015 by MusicLover14*

**geometry**

the dimensions of the triangular lateral faces of a pyramid are dilated with a scale factor of 8/3 to create similar triangles. if the perimeter of one triangular face was 57 inches what is the perimeter of each of the dilated triangular faces
*April 13, 2013 by stormy*

**math**

A scale drawing is made to enlarge a picture by using a scale factor of 3. The enlarged picture is 9 inches by 15 inches. What are the dimensions of the original picture?
*October 8, 2015 by Anonymous*

**geometry**

the scale factor between figure A and figure B is 0.25. If one side length of figure B is 56 yards, what is the corresponding side length of figure A?
*October 3, 2010 by linda*

**physics**

If you stand on a bathroom scale, the spring inside the scale compresses 0.50 mm, and it tells you your weight is 680 N. Now if you jump on the scale from a height of 1.4 m, what does the scale read at its peak?
*March 2, 2012 by Caroline*

**physics**

If you stand on a bathroom scale, the spring inside the scale compresses 0.50 mm, and it tells you your weight is 760 N. Now if you jump on the scale from a height of 1.0 m, what does the scale read at its peak?
*November 5, 2012 by Lauria*

**Geometry**

Hi, so i reallllyy need help, i have an assignment that i have to complete, but the thing is theres a file and this site doesn't allow links, so does anyone have email to help me if you can help i will greatly appreciate it i'll email you the file. btw this problem includes ...
*February 11, 2015 by Arora*

**math**

i have math homework and it says i have to find 1 pair of rectangle that are simular and find the scale factor but i cant find the scale factorthe k rectangle is 4 cubes base by 3cubes height and n rectangle is 12 cubes base and 1 cube height but i cant find the scal factor ...
*September 21, 2010 by hawk*

**math**

suppose you copy a figure on the copier using the givin size factor. Find the scale factor from the orignal figure to copy in desimal form. for 200%, 150% 75% 50% 125% and 25%
*November 26, 2009 by ashtyn*

**math**

suppose you copy a figure on a copier using the given size factor. find the scale factor from the original figure to the copy in decimal form. a)200%, b)50%, c)150%, d)125%, e)75%, f)25%
*December 8, 2009 by dillan*

**GEOMETRY**

The sides of a triangle are 8,15 and 18 the shortest side of a similar triangle is 10 how long are the other sides? Find the scale factor of similar triangles whose sides are 4,12,20 and 5,15,25 Assume that traingle xyz is similar to triangle rpn with x(ray sign) r and p(ray ...
*November 16, 2013 by BARBIE LEE*

**geometry**

The sides of a triangle are 8,15 and 18 the shortest side of a similar triangle is 10 how long are the other sides? Find the scale factor of similar triangles whose sides are 4,12,20 and 5,15,25 Assume that traingle xyz is similar to triangle rpn with x(ray sign) r and p(ray ...
*November 17, 2013 by barbie lee*

**Geometry**

On one side of a scale there are 6 coins, 3 weighing 2 grams each and 3 weighing x grams each. The scale is balanced if 5 coins weighing x grams each are placed on the other side of the scale. How much does each of the unknown coins weigh? Answer in units of gram
*November 27, 2009 by Chitra*

**Geometry**

Help please. I don't know how to solve step by step!! What is the range of possible values for x? The diagram is not to scale. h t t p :/ / i . i m g u r.c o m/ s n S v w .p n g
*January 14, 2015 by Ariel*

**7th grade math**

Suppose you copy a figure on a copier using the given size factor. Find the scale factor from the original figure to the copy in decimal form. a] 200% b] 150% c] 75%
*October 28, 2009 by DIANE*

**geometry easy**

The sides of a triangle are 8,15 and 18 the shortest side of a similar triangle is 10 how long are the other sides? Find the scale factor of similar triangles whose sides are 4,12,20 and 5,15,25 Assume that traingle xyz is similar to triangle rpn with x(ray sign) r and p(ray ...
*November 17, 2013 by barbie lee*

**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, but not sure if ...
*March 6, 2012 by Brandon*

**Using the factor Theorem**

use the factor theorem to determine whether x-c is a factor of f(x) f(x)=x^3+8x^2-18x+20; x-10 I have a doubt in my answer, i determined that x-10 is not a factor... am i right? please verify as my exam is tomorrow night at college. thank you for your time and hard work:)
*March 13, 2010 by Rose*

**geometry**

Two cones are similar. The larger cone, R, has a volume of 1331 cubic feet and the smaller cone, S, has a volume of 64 cubic feet. Find the scale factor of Cone R to Cone S.
*May 10, 2012 by jack*

**Geometry**

Trying to find the scale for a 77 centimeter by 53 centimeter painting to fit on a 8.5 by 11 inch paper. Please show me how-
*February 2, 2014 by RR*

**English help please**

The sides of a square are increased by a scale factor of 7. The perimeter of thr smaller square is 16 ft. What is the perimrter of the larger square? A. 4 ft B. 28 ft C. 56 ft D. 112 ft Is the answer A? Thank you
*November 20, 2014 by callie*

**geometry triangles**

The sides of a triangle are 8,15 and 18 the shortest side of a similar triangle is 10 how long are the other sides? Find the scale factor of similar triangles whose sides are 4,12,20 and 5,15,25 Assume that traingle xyz is similar to triangle rpn with x(ray sign) r and p(ray ...
*November 16, 2013 by BARBIE LEE*

**algebra**

A scale model of a park has an area of 192 cm2. The actual park has an area of 12 km2. What is the scale factor used for the model?
*October 27, 2011 by sak*

**math**

The scale factor for a model train is 1/6.if the actual train is 25 ft long, how long is the scale model? Is it A) 4.2ft, B) 3.4ft, C)150 ft, D) 5ft?
*April 9, 2014 by tyra*

**physics**

Water is in the big beaker in the figure on the left. Scale 1 reads 87 Newtons, scale 2 reads 544 newtons, and scale 3 reads 0 newtons. The hanging block has a density of 15 x 10^3 kg/m^3. What does scale 1 read after the block is fully lowered into the beaker of water? Scale...
*April 7, 2014 by sean*

**geometry.**

in a scale drawing of a school's floor plan, 6 inches represents 100 feet. If the distance from one end of the main hallway to the other is 175 feet, find the corresponding length in the scale drawing.
*February 28, 2011 by shannon*

**Algebra**

Factor at the greatest common factor from the expression. Can someone please show me how to factor so I will know? Thank you! 18x^714x^2
*August 2, 2012 by Anonymous**

**Math**

X(-1,-2),Y(2,1),Z(4,-1); scale factor 3
*November 8, 2010 by Sarah*

**Math**

What is 36:6 with a scale factor of .3
*August 14, 2012 by Keara*

**MATH**

What is the scale factor?
*January 15, 2013 by Janir*

**Geometry **

HELP PLEASE! This is for Connections Academy. Lesson 8, Unit 5: Triangles Unit Test What is the range of possible values for x? The diagram is not to scale.
*November 23, 2014 by Emalee*

**geometry**

A preimage includes a line segment of length x and slope m. If the preimage is dilated by a scale factor of n, what are the length and slope of the corresponding line segment in the image
*June 18, 2013 by ELIJAH*

**Math PLEASE HELP!!!**

A figure is dilated by a scale factor of 4. If the origin is the center of dilation, what are the coordinated in the original figure of a vertex located at (8,8) in the enlarged figure? A/(2,2) B/(4,4) No one has answered
*January 9, 2013 by Sammy*

**geometry**

Hexagon D and hexagon H are regular hexagons. The scale factor from hexagon D to hexagon H is 0.25. One side of hexagon D measures 18 cm. What is the length of one side of hexagon H?
*December 6, 2011 by Anonymous*

**Math**

A model airplane is made on a scale of 1:128. A)what is the scale factor? b) if the airplane model has a wingspan of 30cm,what is the wingspan of the actual plane? use model over original
*April 2, 2014 by Cleopatra *

**Math**

My son is struggling with ratios and Ploygons. The word problem is: Lydia wants to use a photocopier to increase the size of a small chart. The chart is 4 in. by 5 in. If she uses a scale factor of 5:11 will the chart fit on a 8 1/2 x 11 sheet of paper? Can some explain to me ...
*January 28, 2013 by Zina*