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Using the elimination technique:As we have -2y in both equations we can take the equations away from each other in order to eliminate -2y and create a new linear equation involving only x. this equation w...
Nerve impulses travel along the muscle fibre membrane (sarcolemma). The impulse is carried down into the fibre through T-tubules. Impulses are spread along the sa...
General tips before we begin! means you have to respond to something you haven't seen before and ? means you need to ask a questiontú? Is allowed for questionSelf correction, ask puedes r...
Crude oil is composed from hydrocarbons of varying chain length. Hydrocarbons with longer chains have higher boiling points due to the increasing strength of intermolecular forces with length, therefore t...
The question can be written algebraically, as:(a) 3t + 2c = 7.80(b) 5t + 4c = 14.20To work out the individual costs, we need to make one of the sets of variables equal. We can do this by multiplying the e...
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