algebra system of equation
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posted by Henry
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how about his one
7+ 5x = 10x2? im not sure I know its 1, but im not sure how. 7 + 5x = 10x  2 Since we need to get the unknowns on one side and the knowns on the other side and change their signs: 5x  10x = 7  2 5x = 5 x = 1 wait how did
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i was wondering if anyone could help me on this problem. expand: x^2 (y^2 + 10x) z^3 (5x + 3z^4) First one: x^2 (y^2 + 10x) x^2 is the same thing as 1/x^2. Therefore, we have this: 1/x^2 (y^2 + 10x) Multiply using the
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Choose the polynomial written in standard form. x^3y^2 + 4x^4y + 10x^9 x^4y^2 + 4x^4y^5 + 10x^2 xy^2 + 4x^3y^8 + 10x^2 x^4y^5 + 4x^3y^2 + 10x^2 is it the last one pls help
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Determine whether the point (1, 8) is a solution of the system 2x + 6y = 50 10x + 0y = 10 by substituting the point into each equation. So far I have: 2x=6y=50 y=502x 10x+10y=10 10x+0(502x)=10 10x+0=10 x=10 y=502x y=502(1)
asked by Jordan on October 7, 2010 
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Thanks Reiny, but I'm still lost. I understand how you multipled by 10X on the right to get 17x, but you went too fast on the left, and I have no idea how you got 10x^220 from the starting left side. Can you show each step?
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Solve. 29x – 2(9x – 0.455) = 10x + 0.525 Give us you thinking on this so we can help you solve the equation. What is it you don't understand about solving this eqution? 29x –2(9x – 0.455) = 10x + 0.525 29x – 18x – 0.91
asked by Tammy Evert on July 16, 2006 
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f(x) = x^2 + 10x + 24 =(x^2 + 10x)+ 24 =(x^2 + 10x + 25  25) + 24 f(x) =(x+5)^2  1 Vertex: (5, 1) How do you sketch this? I know that in the graph one of the coord is (5, 1) but how do I find the others in order to make a
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9+2(10x+2) Does the  before the parenthesis change the sign of the numbers inside of the parentheis? ie. Does 10x become 10x and does +2 become 2? Thanks!
asked by kim on January 21, 2010