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Can someone please check my work? Solve using substitution method 1. 3x+2y=12 x=526y answer:40.8 I am pretty sure that one is wrong. Solve using elimination method 2. 2r7s=31 7r+2s=24 answer: (230/53,468/53) 3.3x+4y=3 6x+8y=6
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solve (Z^2)+5=4/Z^2 how do i solve it?? the answer is +2or2, or, +or i. but i really don't know how to get this answer.i tried to multiply both side by Z^2, but i think it just made it more comlicated and i didn't get the right
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This will be a multiple post thing so please bear with me. If my answers are wrong then please explain I'll post my work as needed thanks. 1)Identify the yintercept and the axis of symemetry for the graph of f(x)=3x^2+6x+12.
asked by Marissa on August 12, 2007