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Elodia [21]
3 years ago
7

Kiran reads 5 pages in 20 minutes. He spends the same amount of time per page. Hw long will it take him to read 11 pages

Mathematics
2 answers:
andreyandreev [35.5K]3 years ago
5 0
It would probably be 44min
Dimas [21]3 years ago
4 0

Answer:

44 minutes

Step-by-step explanation:

I would set this up as a proportion-

20        x

5          11

Then cross multiply-

20 x 11 = 220

Divide-

220/5 = 44

It would have him 44 minutes to read 11 pages

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HELLLP<br> Simplify the following expression.
Yanka [14]
Exponential laws

x^-m=1/(x^m)
and (x^m)(x^n)=x^(m+n)

so

(3^-4)(3^2)=
3^(-4+2)=
3^-2=
1/(3^2)=
1/9

the answer is A


7 0
3 years ago
What is the solution to the inequality 5x - 11 ≥ 31
Molodets [167]
1

 

Add 1111 to both sides

5x\ge 31+115x≥31+11


2

 

Simplify 31+1131+11 to 4242

5x\ge 425x≥42


3

 

Divide both sides by 55

x\ge \frac{42}{5}x≥​5​​42​​


7 0
3 years ago
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

#SPJ1

8 0
1 year ago
D = a - b - c solve for b
enot [183]

To isolate b, add a and subtract c to the entire equation:

D - a + c = -b

Muliply b by -1 to eliminate the negative:

-D + a - c = b

5 0
2 years ago
What is the square cube law?
viktelen [127]

Answer:

The square–cube law (or cube – square law) is a mathematical theory, implemented in a number of scientific contexts, which defines the relationship between the volume and the surface area as a shape 's size increases or decreases.

Hope this helps!

3 0
2 years ago
Read 2 more answers
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