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andreev551 [17]
2 years ago
8

Find the measure of the exterior angles of the following regular polygons: a triangle,

Mathematics
1 answer:
marshall27 [118]2 years ago
7 0

Answer:

All answers are in degrees

quadrilateral->90

pentagon-> 72

octagon->45

decagon->36

30-gon ->12

50-gon->7.2

100-gon->3.6

Step-by-step explanation:

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Answer:

the answer will be 9.6 cm

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WILL MARK BRAINLIEST!!! What is a net pay???
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Answer:

Net pay is what you get after you pay taxes.

Step-by-step explanation:

Gross pay is before taxes and deductions.

Net pay is what you are left with after they deduct taxes.

gross pay = $300

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net pay =     $250

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Every Thursday, Matt and Dave's Video Venture has “roll-the-dice" day. A customer may choose to roll two fair dice and rent a se
shepuryov [24]

Using the normal distribution, it is found that there is a 0.1357 = 13.57% probability that the total  amount paid for these second movies will exceed $15.00.

In a <em>normal distribution</em> with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

  • It measures how many standard deviations the measure is from the mean.  
  • After finding the z-score, we look at the z-score table and find the p-value associated with this z-score, which is the percentile of X.
  • For n instances of a normal variable, the mean is n\mu and the standard error is s = \sigma\sqrt{n}

In this problem:

  • Mean of $0.47, standard deviation $0.15, hence \mu = 0.47, \sigma = 0.15
  • 30 instances, hence n\mu = 30(0.47) = 14.1, s = 0.15\sqrt{30} = 0.8216

The probability is <u>1 subtracted by the p-value of Z when X = 15</u>, hence:

Z = \frac{X - \mu}{\sigma}

Considering the n instances:

Z = \frac{X - n\mu}{s}

Z = \frac{15 - 14.1}{0.8216}

Z = 1.1

Z = 1.1 has a p-value of 0.8643.

1 - 0.8643 = 0.1357.

0.1357 = 13.57% probability that the total  amount paid for these second movies will exceed $15.00.

A similar problem is given at brainly.com/question/25769446

6 0
2 years ago
The average human reaction time from eye to finger is 0.16 second. How is this expressed as a fraction?
xxTIMURxx [149]

Answer:

4/25 seconds

Step-by-step explanation:

the second (0.16) is in two decimal places, so divide 16 by 100

\frac{16}{100}

to express in the simplest form, divide the numerator  and the denominator by 4

= \frac{4}{25}

6 0
2 years ago
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