santosm35
10.09.2020 •
Mathematics
Simplify: [5-3x+2y-(2x-y)]-(3x -7y+9)
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Ответ:
Ответ:
Ответ:
12.4%
Step-by-step explanation:
The results from the random sample counts 124 from a total of 1000 people that wear contact lenses. This means is the percentageof the people in the sample that wear contact lenses.Because it is a random sample, it is suppose to reflect the behavior of the total population. Then we can expect or predict similar percentage of Americans wearing contact lenses (12.4%).