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To solve, first create a common factor for b by multiplying the 1st equation by 2 to get: 12a+2b=22.Now, add the two equations together to get: (12a+5a) + (2b-2b) = (22+19)which is 17a=41 , when simplifie...
Writing a thesis statement is the easiest way of ensuring that your essay is structured well, that it is focused, and will reassure the examiner that you know what you're doing. It should, crucially, ...
Auxins are plant growth hormones found in both the roots and shoots of plants, in the shoots they promote growth whereas in the roots they inhibit it. In the shoots they cause cell elongation in the side ...
The key point in this question is noting that implicit differentiation is a very useful tool, although it is slightly different and looks much scarier than differentiating y = f(x).To do the question, a m...
912 = 4(x+2)(x+9)228 = (x+2)(x+9)228 = x2 + 11x + 180 = x2 + 11x -210using the quadratic formula we obtain x = -10 or x = 21As dimensions must be positive; x must equal 21Hence; the ...
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