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svet-max [94.6K]

3 years ago

10

regular octagon rotates 360° about its center. How many times does the image of the octagon coincide with the preimage during th

e rotation?

1 answer:

Galina-37 [17]3 years ago

7 0

An octagon has 8 sides, a rotation of 45° (360°/8) will map the octagon onto its preimage. Answer is 8.

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Calculate the Mean Absolute Deviation of these data. Round answers to the nearest tenth (one decimal place).

daser333 [38]

Answer: 3.6

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Which of the following could be the lengths of the sides for a triangle that is similar to the triangle shown?

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The T.V.'s original price was $420. It was on sale for 40% off. What is the sale price?

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Write 7–5 using a positive exponent.

andreyandreev [35.5K]

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3 to the 7th power divided by 2 to the 5th power

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3 years ago

The perimeter of a rectangular house is 122fr the width is 5ft less than the length find the length and width

Step2247 [10]

Hello,

Let's w the width , l the length, p the perimeter.

w=l-5
p=2(l+w)=2(l+l-5)=4l-10

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==>4l=122+10
==>4l=132
==>l=132/4
==>l=33
So w=33-5=28

Proof:
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3 years ago

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