It's adding 7 each time. So...
5, 12, 19, 26, 33, 40, 47, 54, 61, 68, 75, and
82
Yes if he practices X amount of hours and is told to practice X amount of hours than he practiced long enough
On your calculator, use the normalcdf() function, enter the Lower Limit, Upper Limit, Mean, and Standard deviation.
The mean and standard deviation are given to you. You want to find "less than 13.5 seconds", meaning that 13.5 is the maximum "Upper Limit" and 0 would be the Lower Limit because we can pretend 0 second is the minimum. Don't worry about negatives, in this scenario, values like "-5 seconds" are impossible.
Enter normalcdf(0, 13.5, 13.56, 2.24) in a calculator and the output result is the answer.
Answer:
x = 9
Step-by-step explanation:
Corresponding sides are in proportion, that is
= 
( cross- multiply )
8x = 72 ( divide both sides by 8 )
x = 9
Answer:
9, 2, 0
Step-by-step explanation:
Solving the inequality
24 > 2(x + 2) ← divide both sides by 2
12 > x + 2 ( subtract 2 from both sides )
10 > x
Thus we require values of x that are less than ( but not equal to ) 10
These are 9, 2 and 0
