Saturday
November 22, 2014

Search: GEOMETRY DIALATION AND SCALE FACTOR PLEASE HELP!

Number of results: 61,048

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

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

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
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

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

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
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
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
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
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

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

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
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
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
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

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
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

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

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
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

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

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

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
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

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

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
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

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

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

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

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

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

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
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

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

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

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

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

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

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
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
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 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

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*

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
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

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

math
what does a scale factor represent ?
August 25, 2010 by Bob lee

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

Geometry
Triangle UVW is the pre-image of triangle RST with a scale factor of 3. Find the area of triangle UVW if the area of triangle RST is 9 cm2.
May 2, 2012 by Lindsey

Geometry
The scale factor of triangle DEF to triangle HJK is 5/2. If EF =15 find JK EF : JK = 5 : 2 15 : JK = 5 : 2 15 * 2 = JK * 5 30 = 5(JK) 5(JK) / 5 = 30 / 5 JK = 6 Am I CORRECT ON THIS ONE? Looks like EF and JK are corresponding sides of similar triangles. Each side of DEF is 2.5 ...
June 18, 2007 by DANIELLE

Math
Please Help!!, The dimensions of a photo of a mountain bike are 15cm by 12cm. An enlargement is to be made for a poster with dimensions 4.0m by 3.2m. What is the scale factor of the poster to the nearest tenth?
February 24, 2014 by Cherie

7th grade math last question!
#11 The coordinate of rectangle ABCD are given. Find the coordinates of its image after a dilation with the scale factor of 2. A (2,4) B (-3, -1) C (0,9) D (6,-4) I DESPERATELY NEED HELP WITH THIS QUESTION IT ISN'T MULTIPLE CHOICE SOMEONE HELP PLEASE!!!!
November 5, 2012 by Delilah

Math Help!!
What is the actual measurments of your room? My answer Height= 10ft Width=9ft 6 in. What is the scale that you will use for your scale drawing? 24=1 inch What will the dimensions of your room be in your scale drawing? I don't know how to answer this question. Please help me.
November 19, 2014 by Callie

Math
What is the scale factor of 30 inches to 7 feet
October 18, 2012 by Gaby

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

Geometry
On the scale drawing of a floor plan 2 inches= 5 ft. A room is 7 inches long on the scale drawing. Find the actual length of the room.
March 29, 2012 by Cassie

Geometry
Triangle DEF ~ Triangle HJK, and the scale factor of Triangle DEF to Triangle HJK is 5/2. If EF=15, find JK
June 16, 2010 by April

math
how to Ifind scale factor if 1/4 inch =2feet
January 29, 2008 by rich

Math
How to reduce a picture using a scale factor of 1/4 and how to do it
December 30, 2012 by Keisha

math
What is the scale factor if a 8.9 m object appears as 6.5 cm in a picture?
January 7, 2013 by Anonymous

math
What is the scale factor is a 8.9 m object appears as 6.5c, in a picture?
January 8, 2013 by Anonymous

Math11
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 Need help on this.
March 30, 2012 by Sari

geometry
Two similar solids have a scale factor of 3:5. If the height of solid I is 3 cm, find the height of solid II. If the surface area of I is 54pi cm squared, find the surface area of II. If the volume of II is 250pi cubed, find the volume of I
March 13, 2012 by Tim

geometry
Macy wants to jog around Triangle Park. On a scale map, the park has a perimeter of 11 inches. The scale of the map is 1 inch : 100 yards. What is the perimeter of the actual park?
February 28, 2012 by crystal

math
Pilar made a scale drawing of a game room. The pool table is 2 inches long in the drawing. The actual pool table is 6 feet long. What is the scale factor of the drawing?
September 17, 2012 by guillermo anaya

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

ENGLISH/MATH HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
NYS ELA 7 Score - Level 2 (high two so I was seven points away to a three) My Scale Scare - 658 Level Two: 642-664 (scale score) Level Three: 665-697 (scale score) NYS Math 7 Score - Level 3 My Scale Score - 678 Level Three - 670-693 (scale score) I really want to know my ...
March 23, 2013 by Laruen

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

physics
if I weigh 177 lb on a stationary scale and stand on that same scale inside an elevator going up at an acceleration of 12 ft/s^2 the scale will read 238lbs. if the elevator, still moving upwards, decelerates at the rate of 32 ft/s^2 what will the scale read?
February 24, 2014 by jake

geometry
A lacrosse field measures 110 yards long by 60 yards wide. What would be an appropriate scale to construct a scale drawing of a lacrosse field so it would best fit on a 8.5 by 11 inch sheet of paper?(1 yd = 36 in.)
February 2, 2012 by Lynn

Biology
So I am completely confused. I am in the process of taking a quiz and the question says "a factor that seems to disappear" my options are punnet square, heredity, dominant factor, recessive factor, alleles, or genetics??? Help please? Thanks
January 10, 2013 by lazyburrito

Algebra
I'm stuck!! Can someone please help me with this problem?? A triangle has vertices (1, 4), (1, 1), and (-3, 1). The triangle is dilated by a scale factor of 2, then translated 5 units up, and then rotated 90 degrees counterclockwise about the origin. What are the vertices of ...
May 19, 2013 by Melania

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