8th Grade Math - Home



Volume of SpheresDirections: Answer the following questions on a separate sheet of paperSarah is blowing up spherical balloons for her brother’s birthday party. One of the balloons has a radius of 3 inches. Round your answers to the following questions to the nearest tenth. What is the volume of the balloon?Suppose Sarah can inflate the balloon at a rate of 200 cubic inches per minute. How long will it take her to inflate the balloon? The radius of a basketball is 4.7 inches. What is the volume of the basketball? Round to the nearest tenth. Jackie bought a game that contained a ball and 10 jacks. The ball had a radius of 2 inches. What is the volume of the ball? Round to the nearest tenth.A spherical ball has a diameter of 8 inches. The ball has a slow leak in which the air escapes at the rate of 2.5 inches per second. How long would it take the ball to deflate? Round to the nearest tenth. Amber is purchasing a ring that contains a 7.5 mm diameter round pearl. Find the volume of the pearl to the nearest tenth.Ms. Holiday is purchasing balloons for a party. Each spherical balloon is inflated with helium. How much helium is in the balloon if the balloon has a radius of 11 cm? Round to the nearest tenth. The volume of a baseball is about 13.39 cubic inches. What is the diameter? Round to the nearest tenth. A golf ball has a volume of 41.63 cubic centimeters. What is the radius of the golf ball? Round to the nearest tenth. A dish contains a spherical scoop of vanilla ice cream with a radius of 1.2 inches. What is the volume of the ice cream? A volleyball has a diameter of 10 inches. A pump can inflate the ball at a rate of 325 cubic inches per minute. How long will it take to inflate the ball? Round to the nearest tenth. ................
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