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Zielflug [23.3K]
3 years ago
11

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

Mathematics
2 answers:
DerKrebs [107]3 years ago
4 0

Answer:

I believe its 398

Step-by-step explanation:


vagabundo [1.1K]3 years ago
3 0

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

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