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3 years ago

Which transformation shows a reflection of ΔDEF?

Mathematics

2 answers:

Helen [10]3 years ago

8 0

Answer:

The image B with purple figures is correct.

Step-by-step explanation:

We are given the figure DEF and we are required to find the figure which is obtained after reflecting it.

Now, reflection of a figure means to flip the figure over a line.

In the green figure, the points D and E are interchanged which is not possible in reflection.

In the blue figure, there is no change.

In the purple figure, the triangle is flipped over the line DE and so it is the correct answer.

Hence, the purple figure is obtained after reflecting the figure DEF.

m_a_m_a [10]3 years ago

7 0

The answer is B or the purple one

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Can someone please explain how to do this? thank you!

valkas [14]

Answer:

I belive the answer would be 452.16

Step-by-step explanation:

The formula to find the volume of a cylinder is $v=\pi r^2h$

h = height

r = radius

The radius for this is 4 and the height is 9

instert your number into your equation $v=\pi (4)^2(9)$

and from there i would just put it into a calculator and you get $144\pi$ or 452.3893-

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Or x can equal 1/4
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4 years ago

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Answer:

Step-by-step explanation:

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2 years ago

The height of a square prism is 3n + 1. The volume of the prism is 3n³ + 13n² + 16n + 4. What is the area of the square base of

EastWind [94]

If s is the side of the square base, the area of the square base is s^2.
The volume of the square base is,
V = (s²) (h)
s² = V/h
s² = 3n³ + 13n² + 16n + 4 / 3n + 1
You can do this division by factoring, synthetic division, or by plain division.
Factoring out 3n + 1 from the numerator gives you:
s² = (3n + 1)(n² + 4n + 4) / 3n+1
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Therefore, the area of the square base is n² + 4n + 4.

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3 years ago

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kobusy [5.1K]

J/9=5
Multiply both sides by 9
Which gets you
j = 45

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4 years ago

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