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Mathematics 20 Online
OpenStudy (masterchief):

y=√(x^2+25^2)

OpenStudy (inkyvoyd):

You get a half circle that's the top half of x^2+y^2=25^2 which is a circle centered at the origin with a radius of 25.

OpenStudy (masterchief):

Wait what? It just says to solve so I don't know what that means.

OpenStudy (inkyvoyd):

You can't solve an equation with two variables. That makes no sense at all. Are they asking you to solve for x?

OpenStudy (masterchief):

I'll copy the exact question:

OpenStudy (masterchief):

A tether is being attached to a 25-foot pole in such a way that x+y=50. By the Pythagorean theorem, the distance y=√(x^2+25^2). What must x be? Sorry if the x+y=50 affects the problem, I thought it was irrelevant.

OpenStudy (inkyvoyd):

Of course it effects the problem, lemme solve it now 0.o

OpenStudy (inkyvoyd):

unfornuately, I can't do the problem without a basic picture, because I have no idea what x and y are.

OpenStudy (masterchief):

|dw:1333414870297:dw| That's the pic they give you.

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