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5w -3 = 3w + 15

5w -3 = 3w + 15 Need to get the numbers on one side, and letters on the other side. 5w = 3w + 15 + 3 5w - 3w = 15 + 3 2w = 18 w = 18/2 w = 9
HN
Answered by Hannah N. • Maths tutor
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Explain why socialists support collectivism.

Socialists tend to support collectivism as they believe that both society and individuals benefit from a cooperative economic system. Socialists argue that humans are best able to fulfil their potential wher...
LP
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Using the substitution u=cosx + 1, show that the integral of sinx e^cosx+1 is equal to e(e-1), for the values of x between x=π/2 and x=0

First we differentiate the substitution giving, du/dx=-sinx, which is rearanged to dx=du/-sinx. we can then substitute this into the integral to get sinx e^cosx+1 du/-sinx which can be simplified to -e^cosx+...
KS
Answered by Kieran S. • Physics tutor
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Are there any uses of animal imagery in John Steinbeck's 'Of Mice and Men'?

Most often applied to Lennie, imagery is particularly apparent in his physical description. His hands are called "paws" and indicate trouble when he uses them. He lumbers along like a bear in Stein...
TD
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AQA PC4 2015 Q5 // A) Find the gradient at P. B) Find the equation of the normal to the curve at P C)The normal P intersects at the curve again at the point Q(cos2q, sin q) Hence find the x-coordinate of Q.

A) We need to find dy/dx. We know that dy/dx =(dy/dt)/(dx/dt). Differentiating each parametric equation we get: dx/dt= -2sin(2t) {using the chain rule and knowing that cos differentiates to -sin.} dy/dt= cos...
TD
Answered by Tutor68191 D. • Maths tutor
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