She has one board that is 2 m 3 cm long and another that is 2 m 98 cm long. How long are the two boards together in meters?
1 answer:
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ANSWER
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EXPLANATION
From the graph, the given quadratic inequality is
We can see that the corresponding quadratic function is a perfect square.
Since the graph opens upwards and it is always above the x-axis, any real number you plug into the inequality, the result is greater than or equal to zero.
Hence the solution set is
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The correct answer is A
