Answer:
Jack has 28 cards.
Step-by-step explanation:
To double 14, multiply 14 times 2. 14x2=28
Answer:
45
Step-by-step explanation:
3/4 of 60 would be:
= 3/4 * 60
= 3*60 / 4
= 180 / 4
= 45
Hope this help you :3
Answer:
rational
Step-by-step explanation:
since 2.72135 is finite (has an ending), it can be written as a fraction, meaning it is rational.
Answer:
The width is 
Step-by-step explanation:
From the question we are told that
The population standard deviation is 
The sample size is 
The sample mean is 
Given that the confidence level is 99% then the level of significance is mathematically represented as

=> 
=> 
Next we obtain the critical value of
from the normal distribution table, the value is

Generally margin of error is mathematically represented as

substituting values



The width of the 99% confidence interval is mathematically evaluated as

substituting values


Answer:
The answer is -6
Step-by-step explanation:
Hope it helped you!