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Arturiano [62]
3 years ago
11

HELP NEEDED, GIVING BRAINLIEST!

Mathematics
1 answer:
Nataly_w [17]3 years ago
4 0

The correct answer is:

B. This is a dilation about (0, 0) with a scale factor of 4; A'(8, 4), B' (16, 4), C' (16, -12).

Step-by-step explanation:

Given

Dilation: D : (x,y) => (4x,4y)

And Vertices

A ( 2, 1 ), B ( 4, 1 ), C ( 4, -3 )

Applying dilation on all vertices

A ( 2, 1 ) => A'(4*2, 4*1) => A'(8,4)\\B ( 4, 1 ) = > B' (4*4 ,4*1) = > B'(16,4)\\C(4,-3) => C' (4*4 , 4*-3) => C'(16, -12)

To find the scale factor,

As we are multiplying each vertex coordinate by 4, the dilation factor is 4.

Moreover,

\frac{A'}{A} = \frac{(8,4)}{(2,1)} = (4,4)

Hence the scale factor is 4.

So,

The correct answer is:

B. This is a dilation about (0, 0) with a scale factor of 4; A'(8, 4), B' (16, 4), C' (16, -12).

Keywords: Dilation, Scale factor

Learn more about dilation at:

  • brainly.com/question/10435836
  • brainly.com/question/10541435

#LearnwithBrainly

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lapo4ka [179]

The volume formula of a cylinder is :

V=\pi r^2h

From the problem, the volume is 1 m^3 and the height is 0.6 m.

Substitute the given to the formula :

\begin{gathered} 1=\pi r^2(0.6) \\ 1=3.14(0.6)r^2 \\ r^2=0.53 \end{gathered}

Take the square root of both sides of the equation :

\begin{gathered} r^2=0.53 \\ r=\sqrt[]{0.53} \\ r=0.728 \end{gathered}

The answer is r = 0.728 m

8 0
1 year ago
That is weird but here it is again
borishaifa [10]

Answer: 3.6 feet per year

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You can think of it as the ratio

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3 0
3 years ago
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Point H(9, 1) is reflected across the x-axis. Which statements about H’ is true?
Elza [17]

Answer:

b and d

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2 years ago
Which statement explains the property of integer exponents shown in this equation? aman = am + n
harkovskaia [24]

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D

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Anyone know this I need help
horrorfan [7]

Answer:

option D

Step-by-step explanation:

we have a right triangle

we know

c^2=a^2+b^2

c=hypotenuse

c=52 cm

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we  substitute in the equation c^2=a^a+b^2

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52= sqrt(2704)

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so c=52 cm

so the option D is the correct answer

7 0
3 years ago
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