Answer: The average rate of speed in miles per hour that Jennifer was going is 53 miles per hour. 265/5=53
Answer:
D. 230
Step-by-step explanation:
<h3> 10x3=30
<em> then add 200 then that equals 230</em></h3>
Assuming that the mix disolves into the 20 gallons and doesn't take up space
1:2
x:20
1/2=x/20
multiply btoh sides by 20
10=x
answer is 10 cups of mixture
Answer:
The margin of error for the 99% confidence level for this sample is ±2.23.
None of the given figures is close to the answer:
E. None of the above
Step-by-step explanation:
margin of error (ME) around the mean can be calculated using the formula
ME=
where
- z is the corresponding statistic of the 99% confidence level (2.576)
- s is the population IQ standard deviation (15)
- N is the sample size (300)
Using these numbers we get:
ME=
≈ 2.23
Answer:
d
Step-by-step explanation:
look at the x and y axis