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Drupady [299]
3 years ago
11

What is a transformation that proportionally reduces or enlarges a figure.

Mathematics
1 answer:
Ratling [72]3 years ago
8 0

Answer: Dilation is a transformation that proportionally reduces or enlarges a figure.

Step-by-step explanation:

  • A dilation a transformation that changes the size of the shape by using scale factor in particular ways .

It stretches or shrinks the actual figure. It produces similar figures.

Since the corresponding sides of similar figures are in proportion.

⇒ It proportionally reduces or enlarges a figure.

Hence, A dilation is a transformation that proportionally reduces or enlarges a figure.

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Find the missing side
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Hi there!
The question here is basically asking us to use ratios to find the length of the missing side. To do this, we must first construct a ratio. The best one would be - 
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4 years ago
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X+2y-z=5<br> -X-y+2z=-13<br> 2x+y-2z=14
faltersainse [42]

Answer:

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3 years ago
(2a + 15ab) - (7a + 6b - 10ab)
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3 years ago
A company has 2 machines that manufacture widgets. An older machine manufactures 25% defective widgets, while the new machine ma
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Answer:

73.90%

Step-by-step explanation:

Let Event D=Defective,  D' = Non Defective

Let Event N=New Machine, N' = Old Machine

From the given information:

P(D|N')=0.25\\P(D|N)=0.09\\P(N)=0.7\\P(N')=0.3

We are required to calculate the probability that a widget was manufactured by the new machine given that it is non defective.  

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P(N|D')=\dfrac{P(D'|N)P(N)}{P(D'|N)P(N)+P(D'|N')P(N')} \\=\dfrac{0.91*0.7}{0.91*0.7+0.75*0.3}\\ =0.73897\\\approx 0.7390

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