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A spherical balloon is filled with 4500p cubic meters of helium gas. If a leak in the balloon causes the gas to escape at the rate of `72pi` cubic meters per minute, then the rate (in meters per minute) at which the radius of the balloon decreases 49 minutes after the leakage began is (1) `9/7` (2) `7/9` (3) `2/9` (4) `9/2`

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A spherical balloon is filled with 4500 pi cubic meters of helium gas. If a leak in the balloon causes the gas to escape at the rate of 72pi cubic meters per minute, then the rate (in meters per minute) at which the radius of the balloon decreases 49 minutes after the leakage began is

A spherical balloon is filled with 4500pi cubic meters of helium gas. If a leak in the balloon causes the gas to escape at the ratio of 72pi cubic meters per minute, then the rate (in meters per minute) at which the radius of the balloon decreases 49 minutes after the leakage began is

A spherical balloon is filled with 4500pi cubic meters of helium gas. If a leak in the balloon causes the gas to escape at the ratio of 72pi cubic meters per minute, then the rate (in meters per minute) at which the radius of the balloon decreases 49 minutes after the leakage began is

A spherical balloon is filled with 4500 pi cubic metres of helium gas. If a leak in the balloon causes the gas to escape at the rate of 72pi cubic metres per minute, then the rate (in metres per minute) at which the radius of the balloon decreases 49 minutes after the leakage begins is :

A spherical balloon is filled with 4500pi cubic metres of helium gas. If a leak in the balloon causes the gas to escape at the rate of 72pi cubic metres per minute, then the rate (in metres per minute) at which the radius of the balloon decreases 49 minutes after the leakage begins is :

A spherical balloon is filled with 4500 pi cubic meters of helium gas. If a leak in the balloon causes the gas to escape at the rate of 72pi cubic meters per minute, then the rate (in meters per minute) at which the radius of the balloon decreases 49 minutes after the leakage began is (1) 9/7 (2) 7/9 (3) 2/9 (4) 9/2

A spherical balloon is filled with 4500pie cubic meters of helium gas. If a leak in the balloon causes the gas to escape at the rate of 72pi cubic meters per minute, then the rate (in meters per minute) at which the radius of the balloon decreases 49 minutes after the leakage began is (1) 9/7 (2) 7/9 (3) 2/9 (4) 9/2

A spherical ballon is filled with 4500pi cubic meters of helium gas. If a leak in the ballon cause the gas to escape at the ratio of 72pi cubic meters per meters, then the rate (in meters per minute) at which the radius of the ballon decreases 49 minutes after the leakage bagan is

A spherical balloon is filled with 4500pi cubic metres of helium gas. If a leak in the balloon causes the gas to escape at the rate of 72pi cubic metres per minute, the rate (in metres per minute) at which the radius of the ballon decreases 49 minutes after the leakage began is-