exam
Maths Puzzle
Numerical Ability
"How do you solve 4x-9=7x+12"
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exam Other Question
Solve to four decimal places:log(4) (x-9)=2.
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The period of vibration P for a pendulum varies directly as the square root of the length L. If the period of vibration is 3 seconds when the length is 36 inches, what is the period when L=5.0625 inches?