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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)

As these are simultaneous equations you will need to get a coefficient of either x or y on one side and then substitute it within the other equation. Using the second equation you can divide by 2 leading ...

The multi-store memory model was proposed by Atkinson and Shiffrin in 1968. The model proposes the idea of distinct memory stores and describes the flow between each of these stores. The three stores are:...

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

The oxygen supply to the lungs can be increased during vigorous activity by inhaling more deeply and more rapidly. This will cause a larger volume of air to be taken in per breath, which exposes the capil...