exam Maths Puzzle Numerical Ability

Use the quadratic formula to solve the equation.

3x^2 - 4x - 7 = 0

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exam Other Question

Find the mass of a lead ball havinga diameter of 15cm. A cubic meter of lead has a mass of 11422kg. Solve the equation

48. On a train, it took 3/4 hour to travel a distance of 52 1/2 miles. What was the average speed of the train?

Any help with this equation would be Greatly</b> appreciated.