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cestrela7 [59]
3 years ago
14

Solve for y. 8(y – 2) = 4y

Mathematics
1 answer:
Arte-miy333 [17]3 years ago
7 0

Answer:

y =4

Step-by-step explanation:

8(y – 2) = 4y

Distribute

8y -16 =4y

Subtract 8y from each side

8y-8y -16 = 4y -8y

-16 = -4y

Divide each side by -4

-16/-4 = -4y/-4

4 = y

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Step-by-step explanation:

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What is the equation of a line perpendicular to the line y=(4/9)x-2 that passes through the point (4,3)?
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<span>y=(4/9)x-2
This is in slope intercept form (y=mx+b), where m is the slope. 
A perpendicular line will have the opposite reciprocal of the slope.
So if the slope here is 4/9, then the perpendicular line's slope will be -9/4.

Now that you have the slope (-9/4) and a point (4, 3), you can use the point-slope formula to find the equation.
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y - 3 = (-9/4)x + 9
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So the answer will be:
C. <span>y= -(9/4)x+12</span>
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Step-by-step explanation:

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