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Maths Puzzle
Numerical Ability
find dy/dx
e^xy-ex^3 = 4y^2
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two cars enter the turnpike at 7am . one car's average speed is 7mph more than the other. the faster car arrives at their destination at 11:30am, 30 min before the other car. what
In triangle ABC, AD:DB=AE:EC
If AB = 25, AD = 19, and AE = 8, find EC
(Hint. First find DB by DB = AB - AD)