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Explain the processes occuring at constructive tectonic plate boundaries

Constructive plate boundaries occur when two tectonic plates move away from each other. These tectonic plates drift apart due to the convection currents in the magma present in the Earth's mantle which origi...
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Answered by Emily W. • Geography tutor
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How does a bill become a statute, or, an act of parliament in the UK?

There are ten key stages in the passing of a bill through parliament to create a statute.The first of these is a 'green paper.' This is a proposition for the act of parliament, and it contains the intent to ...
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Answered by Jessica B. • Law tutor
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How to factorise 6x^2-11x-10?

Firstly, when we need to factorise an expression like ax 2 + bx + c, we should find two numbers m and n such that mn = ac and m+n = b. In this question, a = 6, b = -11, c = -10. So mn = -60 and m+n = -11. Le...
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Answered by Yunxi S. • Maths tutor
18753 Views

Show that (x+2)(x+3)(x+4) can be written in the form of ax^3+bx^2+cx+d where a, b, c and d are positive integers.

This is a 'show that' question which means that you need to prove that something is true. This question wants you to rewrite (x+2)(x+3)(x+4) into the form of ax^3+bx^2+cx+d. To do this, we have to expand the...
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Answered by Alicia H. • Maths tutor
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In a bag of balls, 3 are red, 2 are blue and 5 are green. Two balls are selected from the bag. Calculate the probability that both are green.

Answer:2/9On the first pick of the bag, there are 10 balls in total. Out of these balls, 5 are green. Therefore the probability of picking a green ball will be 5/10 or 1/2. On the second pick of the bag, the...
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Answered by Charlie H. • Maths tutor
11254 Views