If sand used in concrete is coming off a conveyor belt 30 feet high, what diameter will the base be when 30 feet is reached?

If sand used in concrete is coming off a conveyor belt 30 feet high, what diameter will the base be when 30 feet is reached?

A solid cone-shaped lead crystal paperweight has a height of 5 centimeters and a base diameter that's 20% larger than the height. If the density of lead crystal us 3.1 g/cm^3, what's the approximate...

A cylindrical container of base radius 8 cm is filled with water to a depth of 10 cm. (The height of the container is more than 10 cm). A solid right circular cone of base radius 6 cm and height h...

A right circular cone of height h and base radius r has total surface area S consisting of its base area plus its side area, leading to the formula: S= pi*r^2+pi*r*sqrt(r^2+h^2) Suppose...

This a math homework problem and i don't understand it.

dont know how to do

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