(x+y)^2 + 3(x-y)=30; xy + 3(x-y)=11 what are the values of x and y ?

(x+y)^2 + 3(x-y)=30; xy + 3(x-y)=11 what are the values of x and y ?

Please help me I don't get it. :(

It is a true or false question

Please help me answer this.

Miscellaneous quadratic equation

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Forensic scientists use the equation h=2.6f+47.2 to estimate the height h of woman given the length in centimeters f of her femur bone. suppose the equation has a margin of error of...

(x+y/x-y)^1/2 + (x-y/x+y)^1/2 = 34/15 ; x+y/(x-y)^1/2 + x-y/(x+y)^1/2 = 152/15 what are the values of x and y ?

What are the values of x and y ? (x/y)^1/2 + (y/x)^1/2 = 17/4 ; x/(y)^1/2 + y/(x)^1/2 = 65/4

solve for x,y and z

Please help. This is on my review packet and I don't quite understand it.

Find intervals containing solutions to the following equations. (a) f(x) = x − 3^−x = 0 b)f(x) = x^3 + 4.001x^2 + 4.002^x + 1.101 = 0. I want help how can I find...

Please help. This is on my review packet and I don't quite understand it.

For what integral values of ‘a’ , the equation x2-x(1-a) – (a+2) = 0 has integral roots. Find the roots. Plzz hellp me solving this

Please help. This is on my review packet and I don't quite understand it.

Write the quadratic equation whose roots are −6 and −3, and whose leading coefficient is 3

The point at which a company's cost equal its revenue is the break even point. C represents the cost of dollars, of x units of a product and R represent the revenue in $, from the sales of x units...

Write the point-slope form of the equation of the line described. Through:(-5,-2), parallel to y=x+1

Find the point slooe form of the equation of the line.

I really need to know how because I am so confused on how to do it. PLEASE I NEED TO KNOW

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