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Find values of x for which 4x^4+12x^3-19x^2+8x-1>=0
2.solve z-x-y=6 x^2+y^2+z^2=14 z^3-x^3-y^3=36 for values of x,y,z(unique soln)? Ammonium carbonate and calcium carbonate how to tell these two substances apart? How many decibels is loud enough for a house party? There’s around 50 people and it’s based in quite a large kitchen...? How many nitrogen atoms are in a 2.51 mol sample of N2O? Solve for m: (1/49)^(4m-2) = 7^(-10m-2)?