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Equation 1: 2x2 - y = 3 and Equation 2: 7x + y = 1. Rearrange equation 1 to make y the subject: 2x2 - y = 3, 2x2 - 3 = y. Substitute equation 1 into equation 2 to get equa...
The area of a circle is given by the equation: A = pir2 where r is the radiusThis means the area of the quarter circle is just 1/4th the area of the total circle.Therefore the a...
3t + 2c = 7.80 ---> x2 to get 6t + 4c = 15.605t + 4c = 14.20 6t + 4c = 15.60-- 5t + 4c = 14.20= 1t = 1.40If t = 1.40 substitute t in to the equation to get:(3 x 1.40) + 2c = 7.80 ---> 2c = 3.60 --&g...
The equation above is an example of a quadratic. The easiest way of solving this is to split the equation into two brackets, allowing you to equal each individual bracket to zero, and so get a value of x....
The way to tackle this particular question requires the need for 2 formula equationsThe sum of all the interior angles of a regular polygon can be worked out by subtracting 2 from the number of sides, and...
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