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26 September, 15:13

Ariah has a hot air balloon. When full, the balloon is a sphere with a radius of 9 meters. She fills it with hot air whose density is 0.9 kilograms per cubic meter. Since this is less dense than the air in the atmosphere, the balloon is carried upwards.

How much air does Ariah need to fill the balloon?

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  1. 26 September, 15:29
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    2748.267 kilograms

    Find the volume of the sphere which is 3053.63

    Then multiply is by. 9 to get that as the answer
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