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Firstly, we have to understand how the radius of the first cylinder was used to calculate its volume. Then we can use that understanding to then use the information we have about the other cylinder to cal...
Straight line equations always come in the form y=mx+c, where m is the gradient of the line (how steep it it) and c is the point where the line crosses the y axis (the y intercept).If you are given two po...
x2+7x+10 = 0 factorise this into the form (x+a)(x+b)=0 by finding out what 2 numbers multiply to make 10 and add up to 7. the 2 numbers that fit this criteria are 5 and 2 so (x+5)(x+2)=0, if we...
An easy way to remember how to expand double brackets is using FOIL. FOIL stands for First, Outer, Inner, and L...
The method for finding compound interest is: Original Amount x MultiplierTimeSo, from the question we know that: Original Amount= 40, Time= 3 years, so we say 3Next we need to work ...
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