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(x-2)(x+2) because the x values cancel out leaving the integer and x^2 value.
Volume=81 cm3
b=81/2x2
L=4x+4(2x)+ 4(b)
L=4(x)+4(2x)+4(81/2x2)
L=12x+ 162/x2
Make a the subject of the formula from : p = (3a + 5)/(4 - a)
When doing questions like these it is best to remember that if you multiply one side of the equation you have to do the same thing on t...
2x - 9 > 3, 2x > 12, x > 6
This was a GCSE question in 2015. There are n sweets in a bag. 6 of them are orange, the rest are yellow. Hanna takes a random sweet from the bag and eats it. She then takes another random sweet and eats ...
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