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We are asked to find the coordinates of the turning point of a line, and we should first remind ourselves of what this means. A turning point on a line is either a maximum or minimum...
I could hear a cacophony of calls in the night- this is what woke me. I searched in the dark for a torch and fumbled for the switch. A beam of light hit the edge of my tent and I saw the unmistakable shad...
Answer: The boys mean mark is 72.Explanation:Start by writing down all the information given in the question: (number of boys = 10, number of girls = 20, girls mean = 54, class mean = 60)Then have a think...
A simultaneous equation is when we have 2 equations which both have X and Y in them. The best way to solve these equations is to rearrange one of them to make either X or Y the subject, and then substitut...
Most verbs take the auxiliary verb (think, the helper verb) 'avoir' to form their past tense. E.g. 'penser' - j'ai pensé (I though, I have thought). However there are a number of verbs that wi...
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