exam
Maths Puzzle
Numerical Ability
Solve using the square root property:
(x+6)^2=4
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exam Other Question
A chemist needs to mix a 75% saltwater solution with a 50% saltwater solution to obtain 10 gallons of a 60% saltwater solution. How many gallons of each solution must be used?
Simplify the expressions.
√2t^5 * √10t^4
(3-2√7)(3+2√7)