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  • 24-09-2017
  • Mathematics
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Someone help me with number 7 please!!

Someone help me with number 7 please class=

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Аноним Аноним
  • 24-09-2017
P is inversely proportional to V  
That is P = k/V  where k is some constant.
Plug in the given values for P and V:-

25 = k/400   giving k =  10,000

so the relation is P = 10,000 / V

when V = 200 ,   200P = 10,000

Its A

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