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There should be at least as many simultaneous equations as there are unknown variables - or else you cannot get a numerical answer! Start by trying to eliminate one of the variables. You can multiply the ...
Here it's best to start this question off by drawing a diagram.
Draw a square with each side having a length of 10cm and a circle which touches each side of the square only once (as eacn side of th...
Pythagoras' Theorem is an equation used to give us more information about right angled triangles. The theorem itself looks like this: a2TDAnswered by Tutor96690 D. • Maths tutor2772 Views
Set 2x-4y=8 as equation 1, and 3x+3y=-15 as equation 2. Multiply equation 1 by 3 and equation 2 by 4 so they look like 6x-12y=24 and 12x+12y=-60. Now add the two equations and you get 18x=-36 or x=-2. Sub...
So seeing as you are given the values for P, R and t, the first thing you need to do is substitute the letters for their given numbers into the equation: Q = (36) / ((3)(4 - (-2)) Now expand out the b...
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