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gladu [14]
2 years ago
10

Please help!

Mathematics
1 answer:
blondinia [14]2 years ago
3 0

The equation of a line that is parallel to 3x=4y and has the same y-intercept as 2x-3y=6 is:

y = (3/4)*x - 2

<h3></h3><h3>How to get the equation of the line?</h3>

A general linear equation is written as:

y = a*x + b

Where b is the y-intercept and a is the slope.

Such that two lines are parallel if the lines have the same slope but different y-intercepts.

So, if we want to have a line parallel to:

3x = 4y

y = (3/4)*x

Then the slope must be 3/4.

And the line must have the same y-intercept than:

2x - 3y = 6.

We can rewrite that to get:

-3y = 6 - 2x

y = (6/-3) + (2/3)*x

y = (2/3)*x - 2

So this linear equation has a y-intercept equal to -2, then our linear equation is:

y = (3/4)*x - 2

If you want to learn more about linear equations:

brainly.com/question/14323743

#SPJ1

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Step-by-step explanation:

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In order to find the critical value we need to take in count that we are finding the interval for a proportion, so on this case we need to use the z distribution. Since our interval is at 95% of confidence, our significance level would be given by \alpha=1-0.95=0.05 and \alpha/2 =0.025. And the critical value would be given by:

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n=\frac{\hat p (1-\hat p)}{(\frac{ME}{z})^2}   (b)

We don't have a prior estimation for the proportion \hat p so we can use 0.5 as an approximation for this case  

And replacing into equation (b) the values from part a we got:

n=\frac{0.5(1-0.5)}{(\frac{0.03}{1.96})^2}=1067.11  

And rounded up we have that n=1068

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