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Dafna11 [192]
3 years ago
14

What figure is a dilation of Figure A by a factor of 12?

Mathematics
1 answer:
Tcecarenko [31]3 years ago
7 0

Answer:

The length of the side 2 in will become : 2/2 = 1 in

The length of the side 4 in will become : 4/2 = 2 in

The length of the side 1 in will become : 1/2 = 0.5 in

The length of the side 5 in will become : 5/2 = 2.5 in

Therefore, option C is correct.

Step-by-step explanation:

Some important factors about dilation:

  • A dilation is the kind of a transformation which produces an image containing same shape as the original figure, but has a different size.
  • Enlargement occurs when dilation produces a larger image than the original figure.
  • Reduction occurs when dilation produces a smaller image than the original figure.
  • The original figure is shrunk or stretched by a dilation.

When a figure is dilated by a scale factor of 1/2, the length of the image can be obtained by multiplying the factor of 1/2.

As 1/2 < 0, it means the image will be smaller.

So when a figure A is dilated by a scale factor of 1/2, the length of the image can be obtained by multiplying the factor of 1/2.

Thus

The length of the side 2 in will become : 2/2 = 1 in

The length of the side 4 in will become : 4/2 = 2 in

The length of the side 1 in will become : 1/2 = 0.5 in

The length of the side 5 in will become : 5/2 = 2.5 in

Therefore, option C is correct.

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An auto weighing 2,500 pounds is on a street inclined at 10 with the horizontal. Find the force necessary to prevent the car fro
Misha Larkins [42]

Answer:

1931.7N

Step-by-step explanation:

We are told in the question that :

An auto ( a car) weighs = 2500 pounds

It s inclined at n horizontal Ange of 10°

We are asked to find the force that would prevents it from rolling down the street.

Since the unit for Force = Newton or kgm/s²

Step 1

Convert Weight in pounds to kg

1 pound = 0.453592kg

2500 pounds =

2500 pounds × 0.453592kg

= 1133.981kg

Step 2

Find the force that would prevents it from rolling down the street.

Force = Mass × Acceleration due to gravity × sin θ

Acceleration due to gravity = 9.81m/s

Force = 1133.981kg × 9.81 × sin 10°

Force = 1931.7237321 N

Approximately = 1931.7N

4 0
3 years ago
Please help will give Brain!!
mihalych1998 [28]

yes i think because i think so

6 0
2 years ago
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jeka57 [31]

Answer:

common denominator is 40

Step-by-step explanation:8x5=40

10x4= 40

3x5=15

3x4=12

15/40 and 12/40

7 0
3 years ago
A certain recipe calls for 2 3/4 cups of sugar.if the recipe is to be doubled, how much sugar should be used
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2 and 3/4 + 2 and 3/4 is 5 and 1/2. 
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Can y’all help me please !
Leviafan [203]

no because she turned it only 90 degrees not 180.

180 would be a mirror reflection

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