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first you differentiate both equations giving dy/dt = 3 and dx/dt = 4t+3
dividing dy/dt by dx/dt gives dy/dx and so the answer is 3/(4t+3)

T=9g/5 ms^-2m=2 kgtime for higest point = 7/2 sec

Intro:The primary cause of the Communist victory in October 1949 lies in the military strengths of the Chinese Communist Party (CCP). The brutal but effective discipline which was applied to Communist sol...