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AO1- Remind the student of the importance of communicating themselves clearly and having a clear line of argument, will also ensure that they have a clear understanding of technical vocabulary and are con...
In beginning to answer this question, it is important to first break it down. This question is asking you to “critically assess”, which means that you must form a judgement from the start and state in you...
Stored chemical energy from food is converted into kinetic energy (ke) as the person runs. As they are running uphill, the chemical energy is also converted into gravitational potential energy (gpe). The ...
Equation 1 is 4x+5y=13 - multiply it by 3, Equation 2 is 3x-2y=27 - multiply it by 4, New equation 1 is 12x+15y=39, New eq...
Sub (2) y = 13 + 3x into (1)x^2 + (13 + 3x)^2 = 25x^2 + 169 + 39x + 39x + 9x^2 = 2510x^2 + 78x + 144 = 05x^2 + 39x + 72 = 0 (/2)572 = 360 - need ab=360 such that a+b=39a = 24 b = 155x^2 + 24x + 1...
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