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ElenaW [278]
3 years ago
6

A regular polygon first maps directly onto itself after rotating 20 degrees. How many sides does the polygon have?

Mathematics
1 answer:
Katena32 [7]3 years ago
5 0

Answer:

A regular polygon first maps directly onto itself after rotating 20 degrees has 18 sides

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The data represents the daily rainfall​ (in inches) for one month. Construct a frequency distribution beginning with a lower cla
Fiesta28 [93]

Answer:

The frequency distribution does not appear to be normal.

Step-by-step explanation:

The data provided is as follows:

S = {0.38 , 0 , 0.22 , 0.06 , 0 , 0 , 0.21 , 0 , 0.53 , 0.18 , 0 , 0 , 0.02 , 0 , 0 , 0.24 , 0 , 0 , 0.01 , 0 , 0 , 1.28 , 0.24 , 0 , 0.19 , 0.53 , 0 , 0, 0.24 , 0}

It is provided that the first lower class limit should be 0.00 and the class width should be 0.20.

The frequency distribution table is as follows:

Class Interval  Count

 0.00 - 0.19            21

 0.20 - 0.39             6

 0.40 - 0.59             2

 0.60 - 0.79             0

 0.80 - 0.99             0

  1.00 - 1 . 19             0

  1.20 - 1. 39             1

The frequency distribution does not appear to be normal. This is because the frequencies does not start and end at almost equivalent points and the mid-distribution does not consist of the highest frequency.

Thus, the frequency distribution does not appear to be normal.

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3 years ago
A particular hybrid car travels approximately 204 mi on 4 gal of gas. Find the amount of gas required for a 714​-mi trip.
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3 years ago
What is class boundaries's answer?
Snowcat [4.5K]

Answer:

class boundaries are the end points of an open interval which contains the class interval such that the lower class boundary (LCB) is the LCL minus one-half the tolerance and the upper class boundary (UCB) is the UCL plus one -half the tolerance.

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If the bowl weighs 520 grams when it holds 15 tablespoons of sugar and 680 grams when it holds 26 tablespoons of sugar, what is
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1.5 grams per tablespoon

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What is the slope of the line (-3,0) and (1,-6)
iren2701 [21]

Answer is provided in the image attached.

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