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Firstly, I would ensure that the student understands the basics concepts of atrial systole, ventricular syotle and diastole and the pathway of the blood around the heart. Then I would further explain the ...

1. Ma = mg - Lmv        2) dv/dt = g-Lv 3)-1/L *(ln(g -Lv)/(g - Lu)) = t             4) g - Lv/ g - Lu = e^-Lt 5) Rearrange to.... v = 1/L *(g-(g - Lu) e^-Lt) Missed some steps as i...

The cosine rule,

a²=b²+c²-2bccosA,

where a, b, & c are the sides of a triangle and A is the angle opposite side a, is the general version of Pythagoras' ...

Price elasticity of demand (PED) measures the responsiveness of demand in relation to a change in price. The formula for PED is %change in quantity demand / %change in price.

If a good has an elast...

In history essays you need to show that you understand the question you are being asked and that you can illustrate several different interpretations, backing each with evidence. An introduction is needed...