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You make simultaneous equations. 1.) 3T+2C=7.82.) 5T+4C=14.2Then you make either the C or the T coefficient equal in both equations. I choose to make the C coefficients the same. So I multiplied equation ...

Le passé composé is one of the past tenses. It is formed by using an auxiliary/first verb (either être or avoir) in the present tense and following it with the past participle of the desired verb. L’impar...

First we start off by seeing that we are multiplying together two functions both containing x, so we want to apply the product rule. As we know the product rule is (f(x)g(x))'=f(x)g'(x)+f'(x)g(x) so we ca...

Bioethanol is a renewable fuel produced from plants, which photosynthesise to grow, taking in carbon dioxide and producing oxygen. This means there is no net increase in carbon dioxide, which is a greenho...

First multiply top and bottom by conjugate of denominator, (7-3√5), and expand(3 + 2√5)(7 - 3√5)/(7 + 3√5)(7 - 3√5)(21 + 14√5 - 9√5 - 30)/(49 + 3√5 - 3√5 - 45)Simplify top and botton(-9 + 5√5)/4Write in r...