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Vinil7 [7]
3 years ago
8

Find the equation of the line perpendicular to 4y=x+3 that passes through the point (4,4)

Mathematics
1 answer:
sveticcg [70]3 years ago
7 0
4y=x+3
y=1/4x +3/4
as perpendicular, gradient is flipped and made into a minus. so is -4.
y=-4x +c
substitute values in to find c
4=-4 (4)+c
4=-16+c
c=20
y=-4x +20
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The solids are similar. Find the surface area of the red solid.
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Answer:

756

Step-by-step explanation:

The ratio of areas is the square of the scale factor.

First, we find the scale factor from the blue solid to the red solid.

scale factor = 6/4 = 3/2

The ratio of areas is the square of the scale factor:

ratio of areas = (3/2)^2 = 9/4

volume of red solid = volume of blue solid * ratio of areas

volume of red solid = 336 m^2 * 9/4 = 756 m^2

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Step-by-step explanation:

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