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  • 5 years ago

The volume of a gas in a balloon is inversely proportional to the pressure on the gas from outside the balloon. If the volume of the gas is 6 cubic centimeters when the pressure on the gas is 18 kilograms per square centimeter, what is the volume when the pressure is 12 kilograms per square sentimeter?anyone can help me?

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  1. anonymous
    • 5 years ago
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    Inversely proportional means k over (divided by) so V = k/pressure.. Substituting you get 6 = k/18 if you write this 6/1 = k/18 When you have a fraction = fraction you cross multiply. So you get 6*18 = 1*k so 108 = k.. Now you go to the second part V = k/pressure. V = we don't know. k = 108... pressure = 12 so V = 108/12 so Volume = 9 cubic centimeters

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