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Describe how blood moves around the heart

De-oxygenated blood enters the right atrium from the Vena Cava, it then passes into the right ventricle due to gravity and the contraction of the walls of the right atrium. The walls of the right ventricl...

IL
Answered by Isobel L. Biology tutor
2865 Views

Given the following system of linear equations x - 3y = 5 AND 2x + y = 3 how do I find x and y?

To solve this system of linear equations (therefore, to find x and y) we can proceed the following:1) we isolate x from the first question, moving -3y on the right hand side of the equation. When we move ...

DT
Answered by Domiziana T. Maths tutor
2236 Views

The curve C has equation ye^(-2x) = 2x + y^2. Find dy/dx in terms of x and y.

The curve's equation is presented as an implicit function. Therefore we must use implicit differentiation to solve this problem. To do this, we differentiate both sides of the equation with respect to x, ...

GW
Answered by Georgia W. Maths tutor
8913 Views

Translate the following to French: My dog is big. My cat is fat and orange. My animals eat three times a day. We walk to the shops.

Mon chien est grand.Mon chat est gros et orange.Mes animaux mangent trois fois par jour.Nous marchons aux magasins.
The important thing with this exercise is making sure everything agrees with the no...

AC
Answered by Anna C. French tutor
2508 Views

How do I improve my listening skills for the aural exam?

Listening comprehension in the German language is particularly difficult because the sentence syntax is completely different to what we would expect in English i.e. the verb goes to the end, commas indica...

LH
Answered by Lucy H. German tutor
1632 Views

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