Wednesday

August 20, 2014

August 20, 2014

Number of results: 58,934

**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**

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**

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. Sarahs 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**

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*

**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**

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 **

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*

**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**

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*

**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**

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*

**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*

**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*

**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*

**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 :)*

**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*

**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**

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*

**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 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*

**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*

**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.**

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*

**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*

**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 *

**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*

**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**

**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**

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*

**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*

**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*

**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*

**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**

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*

**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*

**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*

**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*

**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*

**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*

**math**

Quinn used a scale drawing to build a soccer field near his school. Initially, he wanted the field to be 28 yards long and 17.5 yards wide. He decided to change the length of the field to 36 yards. If the width is to be changed by the same scale factor, what is the new width ...
*January 29, 2014 by Kaitlyn*

**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*

**math**

if I want to make a figure twice as large, do I multiply by a scale factor of 2?
*December 11, 2011 by Anonymous*

**linear algebra**

In a dilation with a scale factor of 3/4 , the image is __________ the preimage
*April 13, 2014 by david mendez*

**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*

**Geometry**

Ms Mary really liked the carpet she brought for her bedroom and she would like to buy the same carpet for her large library. the floor of her library is similar to the floor of her 9-foot-by-12-foot bedroom. The scale factor from the bedroom to the library is 2.5. How much ...
*November 13, 2008 by Angel*

**Science**

If while the mass was hanging from a spring scale you pulled up sharply on the scale what do you think would happen to the reading on the scale?
*August 30, 2012 by Brandon*

**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!
*May 5, 2011 by Kat*

**math**

If someone's height is six feet and is enlarged to 16.8 inches, what is the scale factor?
*January 20, 2011 by Ericka*

**8 th grade math**

3in.x 5in. photo are triped what scale factor is used
*May 14, 2012 by Anonymous*

**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*

**Math**

Dollhouse and the furnishing are built to a scale of exactly 1 in. to 1 ft, what is the linear scaling factor?
*November 16, 2013 by Tracy*

**math ergent please**

3. Factor x^4-3x^3-11x^2+3x+10 completely using the factor theorem. (5 marks) SHOW ME ALL THE STEPS PLEASE.
*November 26, 2013 by kavi*

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