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dx/dt = -5x/2 to solve this we must firstly separate the variables ∫2/x dx = -∫5 dt then we solve the integrals using basic integration formulae 2ln...
Maths is very important in real life. You use it day to day from basic addition and subtraction to working out percentage discounts in shops. Some of the more complex maths like algebra is used in fields ...
(x-4) x (2x +3y)2(x-4) x (4x2+12xy +9y2)4x3+12x2y + 9xy2 -16x2-48xy - 36y2 ...
the ratio given is 5:2simplify this ratio by diving 2 = 2.5 : 1the maximum amount of blue paint is 9Lso multiply the whole ratio by 99 x 1 = 9.0L blue paint9 x 2.5 = 22.5L red paint add the two pai...
First, the numerator and denominator of the fraction need to be factorised:(x+3)(x-2)/(x-5)(x-2)The 'like' terms should then be crossed out; in the case above, it is the (x-2) brackets.(x+3)(x-2)/(...
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