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How do I do work out the area of a rectangle?

The first step is to label the sides of the rectangle. The longest side is the 'length' - put an L next to this. The shorter side is the 'width' - put a W next to this. The second step is to multiply the len...
BS
Answered by Bethan S. Maths tutor
3003 Views

Solve: a) 5t + 17 = 2. b) x^3 - 25 = 103 - x^3.

a) 5t + 17 = 2. We want to work out what t is. t = ?.To do this we need to get t on it's own , so first we move all the other numbers to equal t.We do this by subtracting 17 from both sides and we should fin...
JA
Answered by James A. Maths tutor
3478 Views

Factorise the Quadratic: 3x^2 + 2x - 1.

When we are asked to factorise a quadratic we essentially need to tidy it up by putting it into brackets.For a quadratic we look to work out the sum and the product, however this time it's a bit different as...
JA
Answered by James A. Maths tutor
5914 Views

A particle, P, moves along the x-axis. The displacement, x metres, of P is given by 0.5t^2(t^2 - 2t + 1), when is P instantaneously at rest

differenciate and then eqate with v = 0.
HS
Answered by Harry S. Maths tutor
7218 Views

Where do the lines 2y = 4x + 2 and - 3x + y = 4 intersect?

Rearrange the second equation in the form y = mx + c to get y = 3x + 4. Divide the first equation by 2 to get y = 2x + 1. When the lines intersect, they'll have the same x and y values, hence, set the equati...
EJ
Answered by Emma J. Maths tutor
3183 Views