- Find the exact values of 3tan^2x-1=0?

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One tank is filling at a rate of 5/8 gallon per 7/10hour. A second tank is filling at a rate of 5/9 gallon per 2/3hour. Which is filling fas? 1. Looking at the line plots on your graph, describe how boiling point and melting point vary with respect to atomic number.? A circle has it's centre at (0,0).the line y=-2 is tangent to it.the radius of the circle is. a)1 b)2 c)5 d)6? How to write 0.3864 with 3 significant figures? Please explain I'm a little confused!? Calculate the mass of CO2 produced when 1.00 mole of propane (C3H8) is burned in excess of oxygen.?