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This can be solved simultaneously. This is about manipulating the equations until they're in a format that you can use.Label the equations:eq1: -3x + 10y = -100 and eq2: 13x + 10y = 60Now, eq1 - eq2 gives...

The nucleus of the atoms are usually in excited states after performing a beta decay. By emitting a photon, the nucleus recover stability. The emitted photon has the same energy as the excess energy of th...

Profit maximisation is an objective of a firm that seeks to produce output where Marginal Cost is equal to Marginal Revenue. Therefore, it is assumed rationally that this would be the most important objec...

The most important thing to bear in mind when writing a personal statement is that you should show interest in and aptitude for your chosen subject. The maximum character count is low, so make sure that e...

The best way to prepare for the first multiple choice question section of the TSA is by doing past paper questions timed. The time pressure is the hardest part of the paper - you will have less than two m...