11) Solve the following equations, using the lines to show each step. 4x + 5 = 2x + 7
2 answers:
You might be interested in
Since we are solving for h, the equation:
V = πr²h
...divides πr² to the other side. Thus, it becomes....
= h
Which can be rewritten as....
h =
V = πr²h
...divides πr² to the other side. Thus, it becomes....
Which can be rewritten as....
h =
Answer: 2.5%
Step-by-step explanation:
Mean score = 65
Standard deviation = 5
Score (x) = >75
Z-score = [(score - mean) ÷ standard deviation]
Z - score = [(75 - 65) ÷ 5]
Z - score = 10 ÷ 5 = 2
P(score higher than 75) = 100 - 95 = 5/2 = 2.5%
