Mathematics, 14.02.2020 00:08 Trumpman137
The metal frame of a rectangular box has a square base. The horizontal rods in the base are made out of one metal and the vertical rods out of a different metal. If the horizontal rods expand at a rate of 0.005 cm/hr and the vertical rods expand at a rate of 0.010 cm/hr, at what rate is the volume of the box expanding when the base has an area of 100 cm2 and the volume is 2000 cm3?
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Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .
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