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Since the diameter is 130cm, the radius is half of this, so it is 65cm
Area is Piradius2. This means the area is Pi(65cm)2
This means the area...
Take for example, the equation
13a + 6a2 = −6
rearrange the questions into the form ax2+bx+c=0
This is the full question:
There are n sweets in a bag. 6 sweets are orange. The rest of the sweets are yellow. Hannah takes a sweet out of the bag at random. She eats the sweet and th...
To work out simultaneous equations, the aim is to remove one letter from the equations, i.e. Remove the y's so you have only x's and numbers (or vice versa).
One way to do ...
We need to have either the same number of x's or the same number of y's in each equation so that we can add or subtract them to be left with just x or just y. We can do this by multiplying the second e...
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