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Name and describe the process that leads to air entering the lungs

This process is called Ventilation and is a required step in aerobic respiration.This process starts with the diaphragm contracting, one also sees the (external) intercostal muscles contract. These contracti...
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Answered by Sam M. • Biology tutor
2994 Views

Find the area of the rectangle, in cm, with width 4x and length (y+5). Then calculate the area for x = 7 and y = 8.

To start, we need to state that the area of a rectangle is the length multiplied by the width. Therefore, the area will be 4x multiplied by (y+5). Now to do this we need to expand the bracket. To expand the ...
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Answered by Toby P. • Maths tutor
3297 Views

Why did Joan of Arc wear male clothing?

This is a question that many scholars have asked themselves over the centuries, and it is one that still puzzles them, just as it did Joan’s contemporaries. Undoubtedly, Joan knew that it was not customary, ...
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Answered by Elisabeth M. • History tutor
22461 Views

What role does the doctrine of 'good faith' have to play in the English law of contract?

English law is often contrasted with civil law jurisdictions which have an overriding doctrine of good faith, because English law “characteristically, committed itself to no such overriding principle [of goo...
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Answered by Susannah H. • Law tutor
2394 Views

Mr. A has utility function U(x,y) = ln(x) + ln(y) and budget constraint M = px + qy, solve for the demand functions x* and y* ?

We want to maximize U(x,y) subject to the constraint M = px + qy, where M is monetary income and p,q are the prices of x and y respectively. Since this is a constrained optimization problem we can use the la...
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Answered by Gian S. • Economics tutor
7913 Views