exam Maths Puzzle Numerical Ability

Solve: 3x(to the 2nd power) - 2x - 4 = 0

Please show work and solution.

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exam Other Question

QUESTION: SOLVE THE SYTEM BY ADDITION

-5X+2Y=10
X-3Y=11
What is the circumference of a circle with a radius of 4.1 m? Round to the nearest tenth.Use pi=3.14





Thanks,
Amanda