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July 22, 2014

Search: 3. Explain how you can find a scale factor between two similar figures

Number of results: 96,797

Brain freezer a.k.a. MATH
What does a scale factor between two similar figures tell you about the relationships between the length and area measures of the figures? The relationship is that you use the l&w to find the scale factor. you can make L&W ratios for each figure, then you divide both of the ...
January 4, 2007 by Crystal

math
if two polygons are similar,how can you find the scale factor from one polygon to the other?show specific examples.describe how you find the scale factor from the smaller figure to the enlarged figure.then,describe how you find the scale factor from the larger figure to the ...
November 15, 2006 by chemiii

math HELP SOS
If two polygons are similar,how can you find the scale factor from one polygon to the other?Show specific examples.Describe how you find the scale factor from the smaller figure to the enlarged figure.Then,describe how you find the scale factor from the larger figure to the ...
November 15, 2006 by chemiii

algebra
can you please explain how you may have gotten the answer thanks:) The coordinates of quadrilateral VWXY are given below. Find the coordinates of its image after a dilation with the given scale factor. V(6, 2), W(–2, 4), X(–3, –2), Y(3, –5), scale factor of 2
November 12, 2012 by Lilly

7th grade math Ms. Sue please!
Hi! Can you check my answers please? Thanks! And, can you help me with 3 please? I have tried and tried but I cannot solve it can you explain how? Thanks! 1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3, –3...
October 31, 2012 by Delilah

Algebra
Find the coordinates of quadrilateral V'W'X'Y' after a dilation with a scale factor of 2. V(6,2) W( -2,4) X(-3,-2) Y(3,-5) scale factor of 2.
November 5, 2013 by Steve

Geometry?
I need help with these: Suppose triangleABC ~ triangleJKL with BC = 28, JK = 12, and KL = 42. Find the perimeter of triangleABC if the perimeter of triangleJKL is 72. & Find the scale factor of triangleDEF to triangleXYZ if triangleDEF ~ triangleXYZ, DE=10, XZ=20, and XY=45. ...
August 24, 2006 by Elle

geometry
A blueprint for a house has a scale factor of 1:35. A wall in the blueprint is 3inches. What is the length of the actual wall? Can someone explain how to figure scale factor?
March 6, 2012 by Brandon

math 2
how do i find a scale factor for scale drawings and scale models
February 10, 2011 by jarrad

maths
T has points (2,1)(3,-2)(1,-1) E1 has a scale factor of 3 and its Centre of Enlargement is (0,0). E2 has a scale factor of 0.5 and its centre of enlargement is (0,0). I know how to do those, my question is how do you do E2E1 with a scale factor of 1.5 and centre of enlargement...
January 14, 2008 by Anonymous

maths
T has points (2,1)(3,-2)(1,-1) E1 has a scale factor of 3 and its Centre of Enlargement is (0,0). E2 has a scale factor of 0.5 and its centre of enlargement is (0,0). I know how to do those, my question is how do you do E2E1 with a scale factor of 1.5 and centre of enlargement...
January 14, 2008 by Anonymous

math
Find the scale factor troy will to build his pool. The width is 625cm. The olympic pool is 50m long and 25m wide. Then find the length using the scale factor of troy pool
April 13, 2014 by Heather

math
The dimensions of a box are 20" by 30" by 4". The volume of the box is 2400 inches cubed. If each dimension is doubled the new volume would be the original volume times the: a)scale factor b)scale factor squared c)scale factor cubed
February 11, 2010 by Gunesh

ALGERBRA,PLEASE HELP!!!!!!
Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3, –3). (1 point) 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 over 2 , find the coordinates ...
November 6, 2012 by LILLY

Algebra 8th grade.
The coordinates of quadrilateral VWXY are given below. Find the coordinates of its image after a dilation with the given scale factor. V(6, 2), W(–2, 4), X(–3, –2), Y(3, –5), scale factor of 2 Please help!!!!
November 28, 2012 by April :)

Math Expert Help Me
I posted this earlier but no one answered. :( 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/...
October 24, 2012 by Jman

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

Math
1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3, –3). (1 point) (–2, 4) and (6, 6) (2, 4) and (6, 6) (–2, 4) and (6, –6) (2, –1) and (–3, 3) 2. Given a scale factor of 1 over 2 , find the coordinates for the...
November 5, 2012 by Anynamouse

Math Help
I posted this earlier but no one answered. :( 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/...
October 24, 2012 by Jman

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

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

geometry
in the original drawing, the rectangular pieces of paper from which the hands emerge measures 27.6 cm by 19.9 cm. on a poster of the drawing the paper is 82.8 cm long. what is the scale factor of the dilation used to make the poster? is it scale factor:3 what is the area of ...
September 9, 2013 by loli

geometry
in the original drawing, the rectangular pieces of paper from which the hands emerge measures 27.6 cm by 19.9 cm. on a poster of the drawing the paper is 82.8 cm long. what is the scale factor of the dilation used to make the poster? is it scale factor:3 what is the area of ...
September 10, 2013 by loli

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

Math
1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3, –3). (2, 4) and (6, 6) (2, 4) and (6, 6) (–2, 4) and (6, –6) (2, –1) and (–3, 3) 2. Given a scale factor of one-half , find the coordinates for the dilation ...
December 6, 2012 by Briana T

Physics
A 1.00-kg beaker containing 2.0 kg of oil (density = 916 kg/m3) rests on a scale. A 2.00-kg block of iron is suspended from a spring scale and is completely submerged in the oil. Find the equilibrium readings of both scales. I was able to find the equilibrium reading for the ...
December 3, 2010 by Jimmy

geometry
m(0,3) n(6,0) p(0,-3) scale factor=-1/3 how do you do this i have to draw the image of the figure with given vertices under the dilation with the given scale factor centered at the origin
September 9, 2013 by loli

geometry
m(0,3) n(6,0) p(0,-3) scale factor=-1/3 how do you do this i have to draw the image of the figure with given vertices under the dilation with the given scale factor centered at the origin
September 10, 2013 by loli

geometry
The endpoints of are A(9, 4) and B(5, –4). The endpoints of its image after a dilation are A'(6, 3) and B'(3, –3). can you please Explain how to find the scale factor.
December 19, 2011 by Cindy

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
Given a dilation with the origin O (0, 0), by observation determine the scale factor "k." DO,K = (6, 12) (3, 6) What is the scale factor K = a0 Is the dilation an expansion or contraction? a1
June 28, 2012 by jen

math
Triangle XYZ has vertices X(-5,3), and Z(7,-6). Find the coordinates of vertex X after the triangle is dialated using a scale factor of 4. I saw that you didnt want to see another post if we didnt try working it out first. But I need help understanding what the problem is ...
December 28, 2012 by marie

geometry
How do you find the perimeter of a second polygon given just the scale factor of both polygons and the perimeter of the larger polygon? The problem is Two similar polygons have a scale factor of 3:5. The perimeter of the large polygon is 120 feet. Find the perimeter of the ...
February 4, 2012 by Melanie

math
A band poster that measures 90 cm by 40 cm is reduced by a scale factor of 1/6 so it can fit on a postcard. a) What are the dimensions of the postcard image? b) By what scale factor, to the nearest hundredth, was the area of the poster decreased in the reduction process?
January 15, 2013 by jenny

math.
A band poster that measures 90 cm by 40 cm is reduced by a scale factor of 1/6 so it can fit on a postcard. a) What are the dimensions of the postcard image? b) By what scale factor, to the nearest hundredth, was the area of the poster decreased in the reduction process? ...
January 15, 2013 by jen

Math
what is the scale factor of ~ 1 inch= 3 feet please explain!
October 20, 2013 by Anonymous

ECON
PLEASE CHECK AND CORRECT MY ANSWERS!!!! MRTS = marginal rate of technical substitution RTS = returns to scale MP = marginal product Suppose the production function is Cobb-Douglas and f(x1, x2) = [x1^(1/2)][x2^(3/2)]. (Note: x1 and x2 are variables). a) Select an expression ...
October 14, 2009 by Anonymous

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

algebra, HELP!
9. The sides of a rectangle are increased by a scale factor of 4. The perimeter of the smaller rectangle is 20 cm. What is the perimeter of the larger rectangle? (1 point) 320 cm 80 cm 120 cm 60 cm 10. A right triangle has an area of 13 m2. The dimensions of the triangle are ...
November 12, 2012 by Lilly

geometry
Given two equilateral triangles with side lengths of 9 in and 15 in, what is the scale factor between them?
February 1, 2011 by tamber

scale factors
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 BAD

math
an autmobile is 16 feet long the scale drawing is 1 inch:6 inches my scale factor answer is 96in am i right
November 16, 2013 by kylee

math
how do we find the scale factor
December 20, 2012 by jamine

Geometry
I appreciate any help you can give me. Here is my question: Find the coordinates of the images of A(2,3), and B(-2,3) under the following transformations. Assume that all size transformations are centered at the origin. a. A size transformation with scale factor 2 followed by ...
April 17, 2013 by Christine

Algebra
I'm trying to solve x^3-3x^2-x+3 is less than zero. Except, I'm not sure how to factor it. I tried splitting it so that 3 would be a factor for 3x^2 and 3, so the result was 3(-x^2+1), and x^2 was a factor for x^3 and -3x^2, resulting in x^2(x+3). But this will be really hard ...
October 14, 2009 by Devon

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

Math
How to find scale factor of dilation: A-(-1,2) B-(2,5)
January 25, 2013 by Nina

math
the range for the graph of f(x)=-2(x-3)^2+7 is only affected by: a) the vertical stretch by a scale factor of 2 and the vertical shift of 7 units up. b) the vertical stretch by a scale factor of 2 and the horizontal shift of 3 units to the right. c) the vertical stretch by a ...
March 11, 2007 by crisis

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

Physics
A beaker of mass 1.2 kg containing 2.1 kg of water rests on a scale. A 2.2 kg block of aluminum (of density 2700 kg/m3) suspended from a spring scale is submerged in the water. Find the reading of the upper scale (the spring scale). The acceleration of gravity is 9.81 m/s2 . ...
November 28, 2010 by Sara

Geometry
How do you find the scale factor for similar figures?
January 11, 2010 by Anonymous

Geometry
Find the scale factor of the two spheres if g = 12 and h =10.
April 14, 2011 by Need Help

math
If the sides of a box all double in length, by how much does its volume increase? By a factor of 2 By a factor of 4 By a factor of 6 By a factor of 8 Explain your answer.
June 24, 2010 by M.A.

Math
1. A figure has the ordered pairs: A(2,0); B(7,2); C(3,4). Construct the new figure dilated by a scale factor of 2. 2. In the city of Vegas, they have a replica of the sphinx that is originally 240 feet tall. They used a scale factor of 1/3 to create the new statue. How tall ...
January 12, 2009 by Happy Face

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

physics
A 640 N student stands on a bathroom scale in an elebator. As the elevator starts moving, the scale reads 800 N. a) find the acceleration of the elevator (magnitude and direction) b) acceleration if the scale reads 450N? c) If the scale reads 0 should the student worry? ...
November 16, 2006 by Christina

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

another geometry question
BD is a perpendicular bisector of triangle ABC. XZ is a perpendicular bisector of triangle WXY. Triangle ABC is similar to triangle WXY with a scale factor of 1:2. Part I. Find BD, AB, WZ, XZ and WX. Part II. What is the scale factor of the perimeters of triangle ABC and ...
May 7, 2007 by mike

Steve 3 more questions.
18.Cinema A sells a twelve-pack of movie passes for $66. Cinema B sells a five-pack of movie passes for $28. a. Find the cost per movie pass for each cinema. Which offer is cheaper per movie pass? b. How much do you save per movie pass if you choose the cheaper offer? 19. Find...
October 30, 2012 by Jman

MATH
A triangle with the vertices A(–3, 4), B(3, 1), and C(–1, –5) is dilated by a scale factor of 2. Find the coordinates of A', B', and C'.
September 27, 2010 by NICK

geometry
find the image vertices for a dilation with center (0,0) and a scale factor of 4
March 13, 2012 by kevin

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

geometry
BD is a perpendicular bisector of triangle ABC. XZ is a perpendicular bisector of triangle WXY. Triangle ABC is similar to triangle WXY with a scale factor of 1:2. Part I. Find BD, AB, WZ, XZ and WX. Part II. What is the scale factor of the perimeters of triangle ABC and ...
April 29, 2010 by Amira

Geometry
Please help. The scale factor of ^RST to ^DEC is 3:13. What is the scale factor of ^DEC to ^RST?
February 19, 2012 by myles

Geometry
Please help. The scale factor of ^RST to ^DEC is 3:13. What is the scale factor of ^DEC to ^RST?
February 19, 2012 by myles

geometry
Given that triangles KON and LOM are similar, find the scale factor
July 21, 2011 by Lydia

Math
Given a scale factor of , find the coordinates for the dilation of the triangle with vertices at (0, 0), (0, 2) and (4, 0).
November 9, 2012 by HOLAMOM

Algebra
Find the coordinates of the quadrilateral abcd after a dilation with a scale factor of 2. a(2,0), B(2,2), C(5,2), D(5,0)
November 12, 2013 by Steve

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

Biology
Explain why the pH scale stretches between the numbers 0 to 14.
October 19, 2012 by Brian Ho

stats
two factor ANOVA indep measures exper. 2 level factor A 3 level factor B n=5 in each treatment SS df ms between 240 5 factor A ? 1 ? Fa=24 factor B ? 2 ? AxB 60 2 30 within ? 24 5 are this answers right for SS A=120 B=80 w/I=120
March 24, 2013 by tita

geometry
Set up a proportion to solve for RT using the scale factor 3:1, and use it to find the length of RT.
June 30, 2009 by Anonymous

Math
Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3, –3)
November 9, 2012 by HOLAMOM

Math
find the coordinates of the image of the point (5, -1) dilated with center at the origin, scale factor 3
May 14, 2014 by Kylee

Geometry
find the coordinate of the image of the point (-3, -1) dilation with center at the origin, scale factor 2. a. (1.5, .5) b. (6, 2) c. (-6, -2) d. (-1.5, -.5)
May 15, 2014 by Kylee

geometry
a rectangle has an area of 48 inches squared every dimention of the rectangle is multiplied by a scale factor and the new rectangle has an area of 12 inches squared what is the scale factor?
October 4, 2010 by tinch

math
you are making a scale drawing with a scale of 2 in =17ft. explain how you find the lenght of the drawing of an object that has an actual lenght of 51ft. what points should you include in your explanation?
April 16, 2012 by Taylor

math
Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3, –3). (1 point) (–2, 4) and (6, 6) (2, 4) and (6, 6) (–2, 4) and (6, –6) (2, –1) and (–3, 3)
November 7, 2012 by ?

math HELP!!!!!!!!!
1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3, –3). (1 point)(–2, 4) and (6, 6) (2, 4) and (6, 6) (–2, 4) and (6, –6) (2, –1) and (–3, 3)
November 7, 2012 by ?

Math
On a scale drawing,the scale is 1/4 inch:1 foot. Find the dimensions of each room in the scale drawing. How would you find the answer? 10 feet by 9 feeet
June 9, 2010 by Nina

8th grade math
A model car is a 1/43 scale model of the original car. What is the scale factor needed to find the dimensions of the original car? model car=4.2" long, 1.3"tall, and 1.6" wide?
January 16, 2013 by Kory

Math Geometry
The surface area of a fish tank is 142 in2. The scale factor of a similar fish tank is larger by a scale factor of 6. What is the surface area of the larger fish tank? PLZ HELP! I HAVE A DEADLINE!
July 29, 2012 by P!NK

Physics
I just need help with part c. I know stopping takes longer but we have to explain why. A student stands on a bathroom scale in an elevator at rest on the 64th floor of a building. The scale reads 849 N. (a) As the elevator moves up, the scale reading increases to 912 N. Find ...
January 5, 2010 by Sasha

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

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

7th grade marking period project
I need help im a 7th grader that has to do a project. They want me to decide what the scale wil be for oyur scale drawing or model? use a unit of measurement that will be easy for you to work with? write thescale factor down. Show the work for converting the actual dimensions ...
December 29, 2010 by jazzy

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

Algebra
I have a question I hope someone can explain it to me. We are working on Demonstrate that f actoring a polynomial. I was ask Why can you factor x² - 4 but you cannot factor x² + 4? How can you tell quickly which ones you can factor and which you cannot? I am not sure what to ...
November 11, 2008 by TOM

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

Math
find the surface area and volume of a similar figure that is larger by scale factor of 25 using 3.14//// 5ft, 4ft, 3ft
March 10, 2013 by Kee Kee

algabra
cubes 1 and 2 are similar if the volume of cube 2 is 45 and the scale factor between sides of the two is 2:3 what is the volume of cube 1?
October 20, 2011 by nicholas

Geometry
BD is a perpendicular bisector of triangle ABC. XZ is a perpendicular bisector of triangle WXY. Triangle ABC is similar to triangle WXY with a scale factor of 1:3. Part I. Find BD, AB, WZ, XZ and WX. Part II. What is the scale factor of the perimeters of triangle ABC and ...
April 6, 2010 by Jenna

Math
Writing to Explain If you start with an unbalanced scale and add the same amount to each side, what happens to the scale?
September 24, 2012 by Ryan

Math help,plz :(
So I'm drawing a scale drawing of A room (Yes, I know what a Scale drawing is) and I don't know how to do it adding proportions.... and what does it mean to Use dimensions to scale the room? Care to explain?
December 12, 2013 by Princess Anna

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

math
find the perimeter of the actual object using the scale factor shown on hte blueprint. each side is 3 centimeters long. 1cm=5m
February 14, 2013 by Taylor

Geometry Help & Proofs
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 ...
May 14, 2014 by Anonymous

Math
A scale drawing of a house is drawn with a scale of 1 in. : 16 ft. Find the actual length of a hallway that is 5/8 in. On the scale drawing. Show your work
January 3, 2013 by Dennis

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