Answer:
Amanda
Step-by-step explanation:
Find the unit rate in each case and then compare the two rates:
4.5 km
-------------- = 1/2 km/min (Sam)
9 min
3.6 km
-------------- = 0.6 km/min (Amanda)
6 min
Amanda, riding at 0.6 km/min, can go further in 1 minute than Sam, who rides at 0.5 km/min.
Answer:
Step-by-step explanation:
Use the distributive property to eliminate parentheses.
The company has to study 199 machines.
In statistics, the standard deviation is a measure of the amount of variation or dispersion of a set of values. A low standard deviation indicates that the values tend to be close to the mean of the set, while a high standard deviation indicates that the values are spread out over a wider range.
It is given that;
Margin of error E = 0.7
Confidence interval 98% = 1-0.98 = 0.02
Standard deviation = 6 hours
Number of MRI machines needed per day n, = [(z alpha/2 * SD)/E]²
Z alpha/2 = 1.645 at alpha = 0.1
Inputting these values into n we have that
[(1.645*6)/0.7]²
= 14.1²
= 198.81 is approximately equal to 199
The company has to study 199 machines.
To know more about standard deviation visit: brainly.com/question/475676
Answer:
y = -2/3x
Step-by-step explanation:
A perpendicular line is the negative reverse of the slope of the other line. I'm not sure about the options you have there but hopefully this helps you get your answer.
I think it’s b because if you add all of them up, you get 23 (total) and you just put the amount of blue cars over it so 6/23 .
