Mathematics, 19.07.2019 09:30 natnerd4671
An ice sculpture in the form of a sphere melts in such a way that it maintains its spherical shape. the volume of the sphere is decreasing at a constant rate of 2pi cubic meters per hour. at what rate, in square meters per hour, is the surface area of the sphere decreasing at the moment when the radius is 5 meters? (note: for a sphere of radius r, the surface area is 4πr^2 and the volume is 4/3πr^3) (a) 4pi/5 (b) 40pi (c) 80pi^2 (d) 100pi
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Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter? a. 3x^2 + 38x + 55 b. 4x + 16 c. 5x + 16 d. 3x^3 + 38x^2 + 55x
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An ice sculpture in the form of a sphere melts in such a way that it maintains its spherical shape....
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