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The two points (4,9) and (2,3) are on line A. A second line, line B is perpendicular to line A and goes through the point (2,3). What is the equation of line B?

Step 1, find the gradient of line A: gradient = change in y/change in x = (y1 - y2) / (x1 - x2) = 9-3/4-2 = 6/2 = 3Step 2, find the gradient of line B: as the two lines are perpendicular, the gradient of lin...
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Answered by Georgia W. • Maths tutor
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Analyse the relationship between Romeo and Mercutio in the following passage. (Act 3, Scene 1)

In the above passage, Shakespeare captures the dedication Mercutio feels for Romeo. Mercutio's aggression towards Tybalt demonstrates the rage he feels when Romeo is insulted. Shakespeare emphasises Mercutio...
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Answered by Isobel J. • English tutor
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3x + 2 = 11. what is x?

3x + 2 = 11 . 3x = 9 . x=3 .
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Answered by Emma V. • Maths tutor
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y = (x/3) - 14. Rearrange this equation to make x the subject.

The aim of this question is to end up with 'x' standing by itself on one side of the equation. The key principle to achieve this is to understand that whatever you do to one side of the equation, you have to...
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Answered by Maximilian G. • Maths tutor
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Dominik hires a satellite phone. His total hire charge is £860. For how many weeks did he hire the phone? (Total hire charge = No. of week X 90 +50)

Rearrange the formula so that it is equal to what the question is asking for (no. of weeks) What you have to do to one side you must do to the other! Total hire charge - 50 = No. of weeks X 90 (Total hire ch...
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Answered by Grace K. • Maths tutor
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