salinae
18.05.2021 •
Mathematics
Can someone please check my answers for me cause I’m not sure if I got them right or not
The number of students who are in 9th grade and play two or more sports is a :
Marginal frequency
The number of students who are in the 11th grade is a:
Joint frequency
The percent of the student body that plays one sport is a :
Marginal frequency
The percentage of the student body that are in 12th grade and do not play a sport is a :
Joint frequency
Solved
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Ответ:
x > -1
Step-by-step explanation:
-3x +8 < 11
Subtract 8 from each side
-3x +8-8 < 11-8
-3x < 3
Divide each side by -3, remembering to flip the inequality
-3x/-3 > 3/-3
x > -1