Answer:
-16
Step-by-step explanation:
Both 27 and 45 have the greatest common factor of 9, so divide the numerator and the denominator by 9 to get the simplest form.
27/45 = 3/5
3/5 is the simplest ratio
Offmind's Answer:
3.75
Offmind's Step-by-step explanation:
6 x 5 = 30
30/8 = 3.75
3.75 in Fraction Form = 3
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-<em>Offmind</em>
The time that the ball is in the air is 2x the time that it takes to reach the maximum value.
In order to find the time at the max value you use the equation -b/2a where b is the value attached to the t and a is the value attached to t^2.
therefore, the time at the max value is -180/(2)(-16)=5.625 seconds
Total time= (5.625)(2)=11.25
Answer:
The only dependent variable in this research work is the cardiovascular fitness.
The independent variables include leisure time, physical activity, diet, extracurricular activities and hours of sleep.
The relationship or difference between them is simple, the researcher believes that the cardiovascular fitness depends on all of the other variables described above.
Step-by-step explanation:
In an experiment, the independent variable is the variable whose values or qualities are not determined by any of the other variables present in the experimental study.
While a dependent variable is the variable whose values or qualities are determined by one or more other variables present in the experimental setup.
Dependent variables depend on the independent variables.
Just like here, the researcher hopes to learn how much dependence of cardiovascular fitness (dependent variable) is on leisure time, physical activity, diet, extracurricular activities and hours of sleep (the independent variables whose values or qualities are not determined by any other variable in the study).
