You are given that surface area of a sphere = 4π x radius. Work out the radius of the marble.
1 answer:
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<span>The curves x = y^2 - 4y and x = 2y - y^2 are two parabolas with vertices (-4,2) and (1,1), respectively.
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The solutions (0,0) and (-3,3) of system
give the common points of these parabolas.
The area is calculated in the image.
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The solutions (0,0) and (-3,3) of system
The area is calculated in the image.
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The three points form a right triangle with legs length 3in and 4in. So, the area is
So, both sides of the pillow will require 12 squared inches.
Answer:
B
Step-by-step explanation:
Please see attached picture for full solution.
