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Graphically, the solution of a pair of simultaneous equations is the point of intersection between both curves. If we want only one solution to the system of equations, then there should only be one point...
Find two values that multiply together to make 24, and add together to make 11 List the factors of 24:24,112,26,48,3Here we can see the only numbers that add together to make 11 are 8 and 3, s...
The marginal cost is the cost of producing an additional unit, whilst the average cost is the average cost of producing each unit. If the marginal cost is lower than the average cost then the average cost...
In an exothermic reaction, energy is released from the system and into the surroundings, the system loses energy so the surroundings gain energy. The surroundings gain energy as heat and therefore there i...
One strength of using laboratories is that they are highly controlled environments. For example, in Milgram's study into obedience to authority, the behaviour of the experimenter can be controlled, by hav...
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