need guidance on an algebra problem
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Algebra
I'm asked to solve the following system using elimination and say how many solutions there are: 4x  7y = 15 8x + 14y = 30 The answer says that there are infinitely many solutions, but I am getting 8x  14y = 30 and 8x + 14y =
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Find the simplified form of each expression. 1.(4/7y^5)^2 A.8/14y^10 B.16/49y^25 C.16/49y^10 D.8/14y^25 2.(x/2y^5)^2 A.x^2/4y^10 B.4y^25/x^2 C.4y^10/x^2 D.x^2/4y^25 I think #1 is A and #2 is A Please correct me if I'm wrong.
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2(3y6)+4(5y8)=92 6y+12+20y32=92 6y 6y __________________ 12+14y32=92 12 12 _______________ 14y44=92 +44 +44 _______________ 14y=136=9.7
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.50  x / x = 3.20e1 I need to solve for x. I was going to do .50 X 3.20e1 and then take the square root but this is not correct. I am not sure what to do. Thank you for your help. Math(Please help)  Reiny, Tuesday, April 17,
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y^414y^3+49y^2 y^2(y^214y+49) y^2(y7)^2 if you solve a problem like this ^ then how do you solve this: x^24x+4 ?????
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