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Critically assess the view that the Gaia hypothesis is the most coherent approach to environmental issues

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 your i...
AC
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Describe the energy transfers taking place when a person is running up a hill

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 gpe...
AT
Answered by Amy T. • Physics tutor
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Solve the simultaneous equations: 4x+5y=13 and 3x-2y=27

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 equation 2 is 12x-8y=108, Subtract new equation 2 from new equation 1 - 23y=-69 therefo...
TD
Answered by Thea D. • Maths tutor
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Solve the simultaneous equations: (1) x^2 + y^2 = 25 and (2) y - 3x = 13

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)5 72 = 360 - need a b=360 such that a+b=39a = 24 b = 155x^2 + 24x + 15x + 72 = ...
MM
Answered by Meghna M. • Maths tutor
3344 Views

differentiate 3x^56

=(3x56)x 55
MG
Answered by Madalina G. • Maths tutor
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