A math class conducted an experiment where each student flipped a coin 10 times. The class flipped heads 158 heads and 172 tails
2 answers:
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For this case we must resolve the following inequality:
Subtracting 7 from both sides of the inequality we have:
Dividing by 3 to both sides of the inequality we have:
We multiply by -1 on both sides, taking into account that the sense of inequality changes:
Thus, it is observed that to solve the inequality it is necessary to change the meaning of it.
ANswer:
False. It is necessary to change the sense of inequality