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How do the terms 'site' and 'situation' differ?

Both terms are commonly used when studying the topic of settlements, however, they do not mean the same thing and it is important for students to distinguish between the two. 'Site' refers to the physical la...
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Answered by Himani A. Geography tutor
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What is the difference between 'describe' and 'explain' questions involving figures?

Students should recognise that 'describe' and 'explain' questions require different approaches. When being asked to 'describe' a figure, the student should simply state the trends occurring in said figures r...
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Answered by Himani A. Geography tutor
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Use these 2 simultaneous equations to find x & y: 5y+21=9x and 6x+7y=45

Okay so first, to make the process more simple, I would suggest collecting all algebraic terms on the same side of the question as to get: 9x-5y=21 and 7y+6x=45 (as it already is). Next, looking at both equa...
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Answered by Maddy S. Maths tutor
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The curve C has equation: 2x^2y + 2x + 4y – cos (piy) = 17. Use implicit differentiation to find dy/dx in terms of x and y.

You want to take the derivative of both sides of the equation with respect to x which produces an equation in terms of x, y and dy/dx which can then be rearanged. The right side is just 0 since 17 is a const...
Answered by Maths tutor
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What is algebra and why do we use it?

Algebra is a part of mathematics in which letters or symbols are used to represent either a known constant or an unknown value. Algebra is often used within formulae in which we can extrapolate an answer, an...
Answered by Maths tutor
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