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antiseptic1488 [7]
2 years ago
11

1) 3x – 2y=-16 Write the slope-intercept form of the equation of each line

Mathematics
2 answers:
raketka [301]2 years ago
7 0

Answer:

y = \frac{3}{2} x + 8

Step-by-step explanation:

The equation of a line in slope- intercept gorm is

y = mx + c

Given

3x - 2y = - 16 ( subtract 3x from both sides )

- 2y = - 3x - 16 ( divide all terms by - 2 )

y = \frac{3}{2} x + 8 ← in slope- intercept form

Aleksandr [31]2 years ago
7 0

Answer:

y= -3/-2x +8

Step-by-step explanation:

y= mx +b

you move 3x to the other side and flip the sign (positive to negative)

-2y= -3x-16

divide everything by -2

-2y/-2= -3x/-2 -16/-2

y= -3/-2x +8

(-3/-2 is a fraction

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The mean height of married American women in their early twenties is 64.5 inches and the standard deviation is 2.5 inches. The m
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Answer:

The equation for regression line and predicting a husband's height for married couples in their early 20s

Equation: Y'=33.67+0.54*X'

Step-by-step explanation:

r=0.5

x'=64.5

Sx=2.5

y'=68.5

Sy=2.7

General regression line equation is:

Y'=a+b*X'

so the slope of the regression line is the linear correlation coefficient multiplied by the standard deviation for y' divided by the standard deviation for x'

b=r*\frac{S_{y}}{S_{x}}\\b=0.5*\frac{2.7}{2.5}\\b=0.54

The intercept with axis y is the mean of the decreased by the product of the slope and the mean of x

a=y'-b*x'\\a=68.5-0.54*64.5\\a=33.67

The equation regression line then is:

Y'=33.67+0.54*X'

4 0
3 years ago
What are the x and y intercepts of the below equation
lozanna [386]
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Plug in 0 for y
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3 0
2 years ago
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Alexxandr [17]
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I think it the third one but need a double check
makkiz [27]

Answer:

The first answer is correct.

Step-by-step explanation:

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