chanchan70
chanchan70 chanchan70
  • 01-12-2018
  • Mathematics
contestada

x^2-2y/y when x=20 and y=x/2

Respuesta :

Karsen4 Karsen4
  • 01-12-2018

Answer:

I believe its 398

Step-by-step explanation:


Answer Link
WimpyNate
WimpyNate WimpyNate
  • 01-12-2018

Answer:

398

Step-by-step explanation:

x^2=400

substitute for y, 2y/y=(2*x/2)/(x/2)=x/(x/2)=x*(2/x)=2

400-2=398

Answer Link

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