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A researcher is investigating the amount of hours children spend on the computer a day. Suggest a suitable research method. Give one advantage and one disadvantage of this method.

The most appropriate method for this topic of research is a questionnaire. This is because questionnaires collect quantitative data, which is what is needed for this research. As for advantages and disadvant...
BC
Answered by Beth C. • Sociology tutor
2441 Views

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
7295 Views

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 ...
JB
Answered by Jessica B. • Law tutor
4066 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...
AH
Answered by Alicia H. • Maths tutor
8942 Views

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
11606 Views