Mathematics, 17.05.2021 17:50 214578
The acidity in a swimming pool is considered normal if
the average of three pH readings, p, is defined such that
7.0< p < 7.8. If the first two readings are 7.2 and 7.6,
which value for the third reading will result in an overall
rating of normal?
Answers: 1
The acidity in a swimming pool is considered normal if
the average of three pH readings, p, is defi...
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