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mina [271]
2 years ago
14

What is 130%of20$???!!!!!

Mathematics
2 answers:
pychu [463]2 years ago
8 0
130% of $20 = $26

How it's done?

130 × 20 ÷ 100 = 26

So, the answer would be 26.
baherus [9]2 years ago
6 0
130% changed to a decimal is 1.3. Multiply 1.3 by $20= $26.00
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Write it as a fraction then simplify. Use a calculator.
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3 years ago
I need help- I’ll give brainlist if it’s right
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3 years ago
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A survey found that women's heights are normally distributed with mean 62.7 in, and standard deviation 2.8 in. The survey also f
Viefleur [7K]

Using the normal distribution, we have that:

The percentage of men who meet the height requirement is 3.06%. This suggests that the majority of employees at the park are females.

<h3>Normal Probability Distribution</h3>

The z-score of a measure X of a normally distributed variable with mean \mu and standard deviation \sigma is given by:

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

  • The z-score measures how many standard deviations the measure is above or below the mean.
  • Looking at the z-score table, the p-value associated with this z-score is found, which is the percentile of X.

The mean and the standard deviation of men's heights are given as follows:

\mu = 69.3, \sigma = 3.9.

The proportion of men who meet the height requirement is is the <u>p-value of Z when X = 62 subtracted by the p-value of Z when X = 55</u>, hence:

X = 62:

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

Z = \frac{62 - 69.3}{3.9}

Z = -1.87

Z = -1.87 has a p-value of 0.0307.

X = 55:

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

Z = \frac{55 - 69.3}{3.9}

Z = -3.67

Z = -3.67 has a p-value of 0.0001.

0.0307 - 0.0001 = 0.0306 = 3.06%.

The percentage of men who meet the height requirement is 3.06%. This suggests that the majority of employees at the park are females.

More can be learned about the normal distribution at brainly.com/question/4079902

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8 0
1 year ago
The numerator of a fraction is 5 less than its denominator. If 1 is added to each its
Gekata [30.6K]

Answer:  4/9

<u>Step-by-step explanation:</u>

Let x represent the denominator. Then the fraction is: (x - 5)/x

Add 1 to the numerator and denominator   →     (x - 5 + 1)/(x + 1) = 1/2

Cross Multiply:                   1(x + 1) = 2(x - 4)

Distribute:                             x + 1 = 2x - 8

Subtract x from both sides:       1 = x - 8

Add 9 to both sides:                  9 = x

Numerator:  x - 5    →     9 - 5 = 4

Denominator:  x     →     9

So the fraction is: 4/9

7 0
3 years ago
Read 2 more answers
4 1/3 into a fraction
katrin [286]
I think you have to make 4 1/3 into an improper fraction that is 13/1 because 4*3=12 12+1=13. Then you divided 13/1(on a calculator you get a decimal) your will be 1 3/11
6 0
3 years ago
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