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The first step is to remember that the equation of every straight line can be expressed as:y=mx+cSo we need to find the values of m and c. We have a rule that tells us the gradient of perpendicular lines-...
b = (Fc-t^2)/4
In the form y = mx + c, m stands for the slope (or gradient) of the line, and c for its y-intercept. Since we are given two points that are on the line, we can figure out its slope by looking at the verti...
x is number of boys. y is number of girlsx + y = 200x = 3y4y = 200y = 50x = 1502/3 * 150 = 100 boys getting the bus
To solve this question we need to factorise x2 +x-30=0 to find the points in which the function x2 +x-30=0 intersects/ cuts the x axis. We factorise the function x2 +x-30=...
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