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Solve the following simultaneous equations 3x+y=11 and 2x+y=8

To solve a simultaneous equation you should number your equations and re arrange one of them to make y the subject. (You could do it the other way and find the expression for x first)3x + y = 11 [1] and 2x +...
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Answered by Rachel A. • Maths tutor
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What does a compiler do in the context of programming?

A compiler's main purpose is to translate source code (code that we write in Java, C++ etc) into machine readable code. Think of it like a machine which takes our document of code and translates it into 0's ...
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Solve the following equation 3(2x -1) = 4(x - 2)

Firstly, we need to identify what this question is asking us to do. Looking at the equation we can see that we have one unknown value, which is x. It is therefore the value of x which we are being asked to f...
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Answered by Oliver L. • Maths tutor
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"Describe the stages of protein synthesis"

TRANSCRIPTION: An RNA polymerase binds to non-coding DNA at the front of the gene. RNA polymerase produces a complementary RNA strand from the coding DNA of the gene. RNA strand leaves the nucleus via a nucl...
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Answered by Abigail S. • Biology tutor
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Explain the process of osmosis giving an example of why it is important for cell function.

This question is 4 marks. 1) osmosis is the net movement of water 2) from an area of high concentration to an area of low concentration 3) across a partially permeable membrane 4) importance: allows cells to...
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Answered by Amelia V. • Biology tutor
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