Academics – Mathematics : 2010/DEC/02
Question
Q2. (a) Solve for x in the following equation: (6)
(2x+3)/4 = (x-3)/5+2
(b) Make D the subject of the following formula: (6)
T = 12.5D/(D + 4d)
(c) The volumes of two solid spheres are in the ratio 2197 : 512.
Determine the ratio of their surface areas. (4)
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