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What should I do if I can’t answer this question?

Remember you can never be marked down for what you right. Time is of the essence so skip the question and come back to it. You need to identify the topic of the question and you should do everything you know...
Answered by • Maths tutor
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Find the equation of the tangent to the curve y = x√x at the point (4,6).

Simply the equation. y = x√x is the same as y = x 3/2 . This is because the square root of any articular number is the same as saying that number raised to the power half. Now to do x 1 multiply x 1/2 we sim...
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Answered by Vyshnavi V. • Maths tutor
3389 Views

Explain how red blood cells are adapted to carry out their function efficiently.

The main function of red blood cells is to transport oxygen from the lungs to tissues all across the body and to remove the waste gas product carbon dioxide from the body tissues out through the lungs.It is ...
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Answered by Faye C. • Biology tutor
3132 Views

How and why are sperm cells specialised ?

Sperm cells are specialised because they have a specific function in the body- to fertilise the female gamete (egg). Therefore to carry out its job, it has special features typical body cells do not. The nuc...
AS
Answered by Antonia S. • Biology tutor
34610 Views

Factorise 5x^2 + 20x

Factorising is a way of simplifying an equation by putting it into common parts. In the equation above we can see that x is common to both the 5x^2 and the 20x. If we divide by x and put this in-front of the...
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Answered by Dominic C. • Maths tutor
6708 Views