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vovangra [49]
3 years ago
8

The equation y= mx+b what's the b in the equation

Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
6 0

Answer:

The <em>b</em> is the y-intercept.

the <em>m</em> is the slope.

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A university has 29,970 students. In a random sample of 285 students, 19 speak three or more languages. Predict the number of st
hodyreva [135]
Set up a proportion.
Let x = the number of students in 29970 who speak 3 or more languages.

285/19 = 29970/x Cross multiply
285 x = 19 * 29970
285x = 569430
x = 569430/285
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4 0
3 years ago
"Data from the World Health Organization in 2013 were used to predict the life expectancy of men in a country from the life expe
marshall27 [118]

Answer:

The predicted life expectancy of men in a country in which the life expectancy of women is 70 years is 65.33 years.

Step-by-step explanation:

The least square regression line is used to predict the value of the dependent variable from an independent variable.

The general form of a least square regression line is:

\hat y=\alpha +\beta x

Here,

<em>y</em> = dependent variable

<em>x</em> = independent variable

<em>α</em> = intercept

<em>β</em> = slope

The regression line to predict the life expectancy of men in a country from the life expectancy of women in that country is:

\hat y=3.73 +0.88 x

Compute the life expectancy of men in a country in which the life expectancy of women is 70 years as follows:

\hat y=3.73 +0.88 x

  =3.73 +(0.88\times 70)\\=3.73+61.6\\=65.33

Thus, the predicted life expectancy of men in a country in which the life expectancy of women is 70 years is 65.33 years.

6 0
3 years ago
You are working part-time for an electronics company while going to high school. The following table shows the hourly
inn [45]

Answer: 5

Step-by-step explanation:

7 0
3 years ago
Answer fast I want to do this
Murljashka [212]
A,b are 8,2. its an easy guess.

now that makes it easy
4 0
3 years ago
PLEASE HELP I HAVE 3 MINUTES LEFT TO DO THIS TY
sasho [114]

Answer:

40+45

Step-by-step explanation:

17x5 is 85

8 0
2 years ago
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