exam Maths Puzzle Numerical Ability

Find the exact decimal value for k where the system of equations has no solution.

5x - 4y = 8, 10x + ky = 11

Help please! Thanks!

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exam Other Question

graph for y = 2x. graph for y = x + 1. The hypotenuse of right triangle ABC is 4 cm long. What are the lengths of the other two sides? How do you do it step by step? You have two angles 60 and 30 and a 90. Is there an equation to use?