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Describe what happens at a constructive (divergent) plate margin?

A constructive plate margin occurs where two or more plates move apart from each other. Convection currents within the earths mantle force magma upwards towards the Lithosphere, this melts the rock in the up...
TR
Answered by Toby R. • Geography tutor
7697 Views

What is elasticity of demand and how do you work it out?

Elasticity of demand, or more formally Price Elasticity of Demand (PED) is a measure of the extent to which the amount of a good demanded by consumers varies with response to a change in its price. It can be...
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Answered by Noah C. • Economics tutor
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Show that 2sin(2x)-3cos(2x)-3sin(x)+3=sin(x)(4cos(x)+6sin(x)-3)

When proving trigonometric identites, we must show that the left hand side of the equation = the right hand side. Here we will start with the left hand side (LHS) and show that it is equivalent to the right ...
JB
Answered by Joe B. • Maths tutor
16649 Views

Find the nth term of the sequence 7,11,15,19...

The nth term is a formula that allows us to find the value of a term in a sequence given its position in the sequence, whether this is the second term (n=2) or the millionth (n=1000000). In the above sequenc...
JB
Answered by Joe B. • Maths tutor
57935 Views

How to differentiate 2x^5-4x^3+x^2 with respect to x

Rule of differentiating is to times down by the power and then reduce it by one. Firstly we will handle the 2x ​5 ​: (2*5)x 5-1 =10x ​4 If we do this with the rest of the terms we get: 10x 4 -12x ​2 +2x
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Answered by Jodie P. • Maths tutor
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