exam
Maths Puzzle
Numerical Ability
i have to simplify this
1/8(3x+1)^(3/2) + 1/4(3x+1)^(1/2)
^ means to the power of if you didnt know
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exam Other Question
There are 20 kilograms of a solution that is 10% salt. How many kilograms of salt must be added to make a solution that is 25% salt?
Tell whether each of the following is true or false for all sets, A, B, or C. If false give a counterexample.
(A-B) U A= A(-B) U (B-A)
i know its false but how would i do a co