exam
Maths Puzzle
Numerical Ability
The product of a number and a second number that is 3 more than 5 times the first is 2. Identify the numbers.
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exam Other Question
(a^2-b^2)/(a+b)
Help please.
Use formula from example 7 and find the periods of pendulums of lenghts 2 feet, 3 feet, and 4.5 feet. Express your answer to the nearest tenth of a second.
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