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Calculate the length of the hypotenuse of a right-angled triangle when the other two sides measure 6cm and 9cm.

Pythagoras theorem which applies to right angled triangles is summarised by the following formula: c 2 = a 2 + b 2 where 'c' is the hypotenuse of the triangle, whilst 'a' and 'b' are the two sides that conne...
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Answered by Gajendra S. • Maths tutor
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How do I effectively incorporate historiography into my essay?

Including historiographical arguments is a great way to impress an examiner. It's really important to make sure that the argument/s you include are relevant, that you don't accidentally plagiarise a historia...
Answered by • History tutor
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Why medicine

A career in medicine is something I have always been interested in even before my biomedical sciences degree. I had applied at before in year 13 and was unsuccessful and had the oppurtunity to study biomed. ...
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What is left sided heart failure (mark 1), which organ can it lead to fluid buildup in (mark 2) and why (mark 3)

The left atrium receives oxygenated blood from the lungs via the pulmonary vein (the only vein to pump oxygenated blood) and ejects via the left ventricle to the aorta.Left sided heart failure means that the...
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Answered by James P. • Biology tutor
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N sweets in a bag. 6 sweets are orange. The rest are yellow. Hannah takes a random sweet from the bag and eats it. She then takes another random sweet from the bag & eats it. The probability Hannah eats 2 orange sweets is 1/3. Show n^2 - n - 90 = 0.

It's a probability equation. The probability of getting an orange sweet the first time is 6/n. The probability of getting an orange sweet the second time is 5/n-1Times those together to get the probability o...
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Answered by Hannah B. • Maths tutor
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