exam Maths Puzzle Numerical Ability

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Solve 5x^2 + 2x - 1 = 0

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exam Other Question

PROBLEM SOLVING: hOW TO SoLve
The difference of the measure of two supplementery angles 35*. Find both angle measures. The sum of the measures of supplementary angles is 180*. The hypotenuse of a right triangle is twice as long as one of the legs and 2 inches longer than the other. What are the lengths of the sides of the triangle?

Shorter leg =
long