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The curve has the equation y= (x^3)/(2x-1). Find dy/dx.

To differentiate a function with respect to (wrt) x you multiply the function by the power and then lower the power by one. For example, if f(x)=x^3, then to differentiate you multiply the function by 3 (the...
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Answered by Poppy C. • Maths tutor
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How do the different organelles in a eukaryotic cell work together to produce a hormone such as insulin?

Hormones are proteins. Each specific protein is made up of a specific sequence of amino acids. DNA in the nucleus codes for the specific sequence. This DNA is transcribed into mRNA which leaves the nucleus t...
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How do you know when to add probabilities together and when to multiply them together

A probability that an event occurs will always range between 0 and 1. If you want to know the probability of two events both happening you would multiply them together. For exampke what is the probability I ...
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Answered by Priyen S. • Maths tutor
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Describe the expressive devices used in Dido's lament 'When I am laid in earth' that portray a character facing death.

Melody: No vocal ornamentation - despair Use of monotone - emphasise words 'remember me' - the melody in this section is also fragmented - shows they are struggling to continue living Unequal and inconsisten...
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Answered by Jodie B. • Music tutor
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What is the name of the valve responsible for preventing blood flow from the left ventricle to the left atrium of the heart?

Mitral Valve The mitral valve is a large 'flap' between the two left chambers of the heart. When this is open, it allows oxygenated blood to fill the left ventricle of the heart from the atrium. When the hea...
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Answered by Ella H. • Biology tutor
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