Answer:
B = C - D / A
Step-by-step explanation:
C = AB + D
subtract D
C - D = AB
Divide by A
B = C - D / A
C and D are both divided by A
Answer:
The value of test statistic is -2.
Step-by-step explanation:
The following information is missing in the question.
The population mean is 12 minutes.
We are given the following in the question:
Population mean, μ = 12 minutes
Sample mean, 
= 8 minutes
Sample size, n = 36
Population standard deviation, σ = 12 minutes
Formula:
Putting all the values, we have
The value of test statistic is -2.
Answer:
Step-by-step explanation:
-2 1/3 2 5/9 2.43 2.43
Answer: It is A.
Step-by-step explanation: The reason why it is A is because what you do first is multiply 40 by 8 because it takes 40 minutes to write one page and there are 8 pages in total. 8 x 40 = 320. Then you divide 320 by 60 because 60 minutes = 1 hour. 320 / 60 = 5.333333 so the answer is between 5 and 6 hours. :)
Answer:
B. 60
Step-by-step explanation:
1. take the square root of 64
2. multiply 8*10 and 5*4
3. subtract
Square root of 64 is 8 so,
10*8 - 5*4
80 - 20 =
60
