anonymous
  • anonymous
If x^2+y^2 =25 and dy/dt =6, find dx/dt when y=4
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
2x dx/dt +2y dy/dt =0 x dx/dt +y (6)=0 dx/dt= -6y/x dx/dt= -6*4 /x dx/dt=-24/x also from the given equation x^2= 25-16=9 or x=3 using this we get dx/dt=-24/3 =-8
anonymous
  • anonymous
great answer, thanks for breaking it down for me
anonymous
  • anonymous
no worries

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