kirstendnicken kirstendnicken
  • 23-05-2018
  • Mathematics
contestada

If y varies inversely as the square of x, and y=4/63 when x=3, find y when x=5

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sarkhan2018
sarkhan2018 sarkhan2018
  • 01-06-2018
By setting up a proportion, we can solve it. Since y is inversely related to the square of x, we can write that
                    y=4/63____________9 (square of x)
                    y=?      ____________25 (square of x) and according to the inverse relation, we'll write that
                      y=4/63_________25 
                      y=?____________9 and y=4/175
                    
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