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

X^2-2y/y when x=20 and y=x/2
asked 51.7k views
4 votes
X^2-2y/y when x=20 and y=x/2

asked
User HubertBlu
by
8.0k points

2 Answers

4 votes

Answer:

398

Explanation:

x^2=400

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

400-2=398

answered
User Ryan Sperzel
by
8.0k points
0 votes

Answer:

I believe its 398

Explanation:


answered
User Cwt
by
8.6k points
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