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Solve the simultaneous equations: 2x + y = 18, x - y = 6

There are two ways to solve simultaneous equations, by substitution or by addition/subtraction. The simplest solution in this case is a method of substitution: Rearrange the simplest equation to get only x o...
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Answered by Kieran T. • Maths tutor
6685 Views

The diagram shows a prism. The cross-section of the prism is an isosceles triangle. The lengths of the sides of the triangle are 13 cm, 13 cm and 10 cm. The perpendicular height of the triangle is 12 cm. The length of the prism is 8 cm. Work out the total

13 x 8 = 1048 x 10 = 800.5 x 10 x 12 = 60 SA = 104 + 104 + 80 + 60 + 60 SA = 408 cm2
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Answered by Rebecca D. • Maths tutor
11581 Views

I can never think of anything to write about unseen literature during exams- how can I improve?

No problem! Finding things to say is tricky, especially under test conditions. The first thing we need to do is go through the tick-list of what needs including- an introduction and conclusion, and roughly t...
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Answered by Merle W. • English tutor
2994 Views

Write 156 as a product of its prime factors.

Before we begin to answer this question we need to have a clear idea of what a prime number is: A prime number is a number greater than 1 that cannot be found by multiplying 2 smaller numbers. To answer this...
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Answered by Alexander A. • Maths tutor
22871 Views

How should I approach an essay style question under the time limit of an exam?

Hi, that's a good question! The key is to make a good plan before you start writing. First highlight key points in the question in order to make sure you know exactly what the question is asking you. This wi...
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Answered by Sophia R. • English tutor
2318 Views