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At a school number of boys : number of girls = 9 : 7 There are 116 more boys than girls. Work out the total number of students at the school.

B:G --> 9:7 Expressed as fractions of the whole group, boys are 9/16 of the group and girls are 7/16 of the group. We can use algebra to work out the total group number. For our working, I will use x to r...
DM
Answered by Dionne M. • Maths tutor
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What is the integral of x^(3)e^(x) with respect to x?

This question is looking at integration by parts. Therefore, we need to split the integral into two parts. Part A will be x 3 and Part B will be e x . Draw 2 columns putting Part A in the RIGHT and B in the ...
JB
Answered by James B. • Maths tutor
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How should I approach an essay question in the exam?

Essay questions can seem overwhelming at first glance, but there is a tried and tested approach that can really help you get a great mark. Firstly, it will help to prepare beforehand. Gather together all the...
OM
Answered by Oran M. • Spanish tutor
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Opposition to anything that oppresses the human spirit is the element that dominates Blake's Innocence vs. Experience. How far do you agree with this statement?

It is important to have a clear structure in English essays. Blake's book of poems is divided into two parts; Innocence and Experience. This divide can be used as the structure for this essay (there are of c...
FR
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Describe why diffusion is important in plants and animals

Diffusion is the movement of gases across a partially permeable membrane from a high concentration to a low concentration and is important to allow the movement of substances across cell membranes. For examp...
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Answered by Lucy D. • Biology tutor
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