exam
Maths Puzzle
Numerical Ability
A chemist mixed some 15% peroxide solution ith some 6% peroxide solution to make 300 ML of a 9% peroxide solution. How many milliliters of the 15% solution was used?
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exam Other Question
Find the slope of the line
2x + 7y + -9
Simplify:A) (9x(^-1/2)-x(^1/2))^2
B) x(^-2)y(3(x^-1)y^3)^4