74,622 results

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 ...

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 ...

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 ...

geometry
if you have two similar polygons and the scale factor is 3:5 and 12 times square root of 3 is one side, what is the cooresponding side

Geometry
I really don't understand this.... You want 12feet to equal 9inches on the blueprint. What scale factor must you use to create an accurate blueprint?

rectangle is dilated by 9. image is dilated using scale factor of 1/8. How do I figure out the scale factor that the original rectangle cold have been dilated to get the final rectangle

geometry
The area of the larger of two similar polygons is 729 square centimeters. If the scale factor of their perimeters is 2:3 what is the area of the smaller polygon?

Geometry
The area of the larger of two similar polygons is 315 squared centimeters. If the scale factor of their perimeters is 2:3 what is the area of the smaller polygon?

geometry
a line segment has end point P(3,6) and Q(12,18) and is dilated so that's its new endpoints are Q' (8,12). What is the scale factor? If the lenght of PQ is 15 what is the lenght of P' Q'? Can you plez help worth 10 points

Math
We have a picture frame with width being 3 1/4 inches and length unknown. We need to fit picture with width of 4 cm and length 4.6 cm into frame. What is the scale factor for enlargement? What is length of unknown side of frame? I was given the answer as the scale factor being...

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 didn't want to see another post if we didn't try working it out first. But I need help understanding what the problem is ...

Geometry
Point B(-3,7) is reflected across the line y=-x and then dilated with a scale factor of 3 and the center of dilation at the origin. What are the coordinates of point B" under the composition of transformations

Math
(A) what does the scale factor tell you about two similar shapes? (B) How does the coordinate rule for making two similar shapes relate to the scale factor?

Math
(A) what does the scale factor tell you about two similar shapes? (B) How does the coordinate rule for making two similar shapes relate to the scale factor?

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

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?

geometry
Robert is making a scale drawing of a painting that is 48in. wide by 120in. high. His paper is 12in. wide and 24in. tall. He decides to use the scale 1in.= 4in. Is this a reasonable scale?

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 ...

Math
Charlotte is building a dollhouse that is a scale replica of her own house. One of the windows on the front of the house is 105 cm wide and 126cm high. On the dollhouse, the window is 7cm wide a)write a scale statement for the dollhouse? b)what scale factor is charlotte using ...

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/...

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

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/...

geometry
A right triangle prism has a volume of 2 cubic inches. A second right triangle prism is similar to the first one and has a volume of 128 cubic inches. A. What is the scale factor to go from the first prism to the second? B. What is the scale factor to go from the second prism ...

Math
what is the scale factor of ~ 1 inch= 3 feet please explain!

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 ...

Math: Geometry
isosceles trapezoid ABCD is shown below with a line ef drawn through its center. Of the isosceles trapezoid is dilated using a scale factor of 1/2 and a line is drawn through the center of the new dilated figure, what relationship will that line have with line EF? An image ...

Geometry
I have a model of a triangle shaped pyramid with sides 6cm base 8cm and height 7cm. If I enlarge the pyramid using a scale factor of 1.2, what will the new perimeter and area be?

Algebra pt. 2
Relating back to my question below I think I have it.. I multiplied the coordinates by 2 and got.. V 12 4 W -4 8 X -6 -4 Y 6 -10 Here is my question of the previous post.. The coordinates of quadrilateral VWXY Are given below. Find the coordinates of its image after a dilation...

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>?

Geometry
The scale factor of two similar solids is 7:5. 8) Find the ratio of volumes. 9) Find the ratio of surface areas.

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.

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).

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?

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?

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

Geometry
A photographer enlarged a picture. If the width of the image is 5 inches and the width of the pre-image was x, what is the scale factor for the dilation in terms of x?

Geometry
A segment with endpoints (3, -2) and (4, 2) is dilated to the image segment with endpoints (9, -6) and (12, 6). What is the scale factor for the dilation? 3 2 6 **my choice 9 **i feel its this one too, im stuck

Geometry
Two similar triangles have a scale factor of 3 : 5. The altitude of the larger triangle is 24 inches. What is the altitude of the smaller triangle?

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?

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?

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?

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?

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?

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?

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

Geometry
Tyron developed a negative that is 1 inch by 1 1/4 inches into a photograph using a scale factor of 8 what are the dimensions of the photograph A. 6 inch by 8 in B. 6 2/5 in by 8 in C. 8 in by 10 in D. Not here

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.

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

geometry
Line l has the equation y=1/2x-4. Write the equation of the image of l after a dilation with a scale factor of 1/4 centered at the origin. Write your answer in slope-intercept form?

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 (...

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 ...

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?

The center of dilation is (0,0) and the scale factor is 7. If A(3,4), then which is the distance between A and A'. A. 5 B. 7 C. 30 <<<< D. 35

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?

Geometry
For 2 similar triangles ABC and DEF, the scale factor of ABC to DEF is 2:3. If AB=2(BC) and DE=3(BC), what is EF?

in the scale drawing below each side is 1.29 cm long use the scale factor shown. what is the perimeter of the actual object A( 12.325m B( 52.125m C( 41.925m D( 61.675m

Geometry
#4 Which could be the scale factor of the following similar figures? (1 point) The first triangle's sides are 9,9,12 The second triangles sides are 6,6,8 A.) 2/3 B.) 3/4 C.) 1 D.) 3/2 E.) 4/3 My answers: b & c _______________________________ #5 The rectangles in the figure ...

Math
A scale drawing of the floor of a theater has a scale factor of 18. Mark says that he can use this information and any length on the scale drawing to find the corresponding length in the actual theater. He says that he can also use this information and any length in the actual...

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

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

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.

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?

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?

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

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

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

Science
Which scale measures the amount of damage after an earthquake? Richter scale Mercalli intensity scale moment magnitude scale seismograph scale

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?

MATH
1. The sides of a square are increased by a scale factor of 6. The perimeter of the smaller square is 10 ft. What is the perimeter of the larger square? A.10 ft B. 40 ft C. 60 ft D. 120 ft 2. A right triangle has an area of 13 m^2. The dimensions of the triangle are increased ...

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)

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.

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?

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 ...

Math(AssignmentDueToday)
Mail, a beaver at a zoo, is 0.90m long. A stuffed animal version of Amik is sold in the gift shop. If the scale factor used to reduce the real Amik to the stuffed animal Amik is 0.15, how long is the stuffed animal Amik? A.) 13.5cm B.) 6cm C.) 13.5m D.) 6m. **When I did the ...

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?

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...

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?

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?

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?

geometry
The Statue of Liberty is 3661 inches from the base to the tip of the torch. A New York vendor sells a souvenir model of the statue that is 6 inches tall. What is the scale factor of the model? Round to the nearest thousandth.

Geometry
A pre-image segment with endpoints (3,-2) and (4,2) is dilated to the image segment with endpoints (9,-6) and (12,6). What is the scale factor for the dilation?

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 ...

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...

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

geometry
A scale for a scale drawing is 10 cm:1 mm. Which is larger, the actual object or the scale drawing? Show work. --I understand that the answer is 100 times larger since 10mm equals 1cm. BUT how do I show the work of how this is solved? THANK YOU!

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 ...

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

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 ...

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

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.

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?

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?

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?

Using a scale factor of 1 inch= 5 feet, what are the blueprint dimensions that is 12 x 18 feet? A. 2.2 x 3.3 B. 2.4 x 3.6 C. 2.8 x 4.2 D. 2.9 x 5.0 Thank you!

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

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?

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?

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?