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RHS should always be 0 so start by taking that across.Now we want two numbers, they need to add up to make - 5 and multiply to make -14.Solve for this and we get -7 and +2.Use this information to factoris...

Let tins be represented by XLet packets be represented by Y
5X= 1750X=350
4X+3Y=14904(350)+3Y=14901400+3Y=14903Y=90Y=30
3X+2Y= (3x350) + (2x30)= 1050+ 60= 1110

For exampe: e^{4x^3}
The way to look at this is, the differential of e^{4x^3} = the ...

In this question we will use the fact we know a straight line can be written in the form (y-y₁)=m(x-x₁). Where m is the gradient and (x₁,y₁) is a point on the l...

This question combines knowledge of volume equations with using unknown variables. We know the volume of a prism is the area of the face multiplied by the length. The first step would be to find the area ...