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Solid hemisphere topped by a solid cone both have diameter 5cm and the height of the cone is 4cm find volume giving answer in 3 sig figs? What is the effect on the vapor pressure of acetone if equal volume of methanol is mixed with it? Chapter 1 & 4 math test? A football is kicked from the ground with a velocity of 40 m/s at an angle of 36.9°. How long is the football in the air? If z=-5+4i, show that z⁴+9z³+35z²-z+164=0?