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4 years ago

An 8-car Ferris wheel is shaped like a regular octagon. Does the Ferris wheel have rotational symmetry?

Mathematics

1 answer:

VikaD [51]4 years ago

4 0

Answer:

Yes, it does.

Step-by-step explanation:

Every regular shaped figure will have rotational symmetry, since they are built with identical segments all around.

To find the answer, ask yourself « If I rotate the shape, is there a time where I’ll find the exact same shape again with a different angle? »

So, a square has rotational symmetry, but not a rectangle.

A equilateral triangle has rotational symmetry, but not any other type of triangle.

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If f(x) = -3x - 5 and g(x) = 4x - 2, find (f+ g)(x).

Stella [2.4K]

Answer:

$\boxed{\sf x - 7}$

Given:

f(x) = - 3x - 5

g(x) = 4x - 2

To Find:

(f + g)(x)

Step-by-step explanation:

$\sf (f + g)(x) = f(x) + g(x) \\ \\ \sf \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = - 3x - 5 + 4x - 2 \\ \\ \sf \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 4x - 3x - 5 - 2 \\ \\ \sf \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = x - 5 - 2 \\ \\ \sf \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = x - 7$

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3 years ago

Find the reciprocal <br> (Urgent!!)

Mars2501 [29]

Answer:

1) 2

2) $\frac{3}{2}$ or $1\frac{1}{2}$

3) 5

4) 3

5) $\frac{5}{3}$ or $1\frac{2}{3}$

6) $\frac{4}{5}$

7) $\frac{5}{2}$ or $2\frac{1}{2}$

8) $\frac{7}{3}$ or $2\frac{1}{3}$

9) $\frac{2}{3}$

Step-by-step explanation:

The reciprocal is the fraction flipped. To make sure it is a reciprocal though, multiply the original and the reciprocal. If it is the correct reciprocal, you will get 1 as your answer.

Hope it helps!

3 0

3 years ago

If my dog is on a 5ft long leash, what is the area of the circle that he can run around in

xxMikexx [17]

Answer:

2/5

Step-by-step explanation:

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3 years ago

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dedylja [7]

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3 years ago

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Pepsi [2]

It should be B because i did it in paper

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3 years ago