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A curve is defined by parametric equations: x = t^(2) + 2, and y = t(4-t^(2)). Find dy/dx in terms of t, hence, define the gradient of the curve at the point where t = 2.

dy/dx = (dy/dt)/(dx/dt) y = t(4-t2 ), then using differentiation of y with respect to t, dy/dt = 4 - 3t2x = t2 + 2, then...

MW
Answered by Micah W. Maths tutor
5135 Views

What is the process of mitosis?

A useful mnemonic to remember the stages of mitosis is PMAT. Don’t forget that the cell spends most of its time in interphase, the phase where the DNA is replicated, before moving to mitosis.Prophase- chr...

CH
Answered by Caroline H. Biology tutor
2625 Views

Solve x^2 - 6x + 8 < 0

To see the answer more clearly, we can sketch the function. First, we start by sketching the parabola (curve). If we have a positive x^2 term then we have a U shaped parabola and if it is negative, i.e. -...

RW
Answered by Rachel W. Maths tutor
13848 Views

Evaluate 3 /5 + 1/ 4

5×4=20 common denominator what did you do to 5 to get to 20? X4, therefore you have to 3x4=12what did you do to 4 to get to 20? X5, therefore you have to 1x5=5
12/20 + 5/20= 17/20

VK
Answered by Vickie K. Maths tutor
2981 Views

Describe Atkinson & Shiffrin's (1968) Multi Store Memory Model

The Atkinson & Shiffrin Multi Store Model of Memory is a structural model that helps to explain how information is transferred from the environment into our short-term and long-term memory. The model ...

RC
Answered by Raquel C. Psychology tutor
4634 Views

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