<span>A circle whose center is located at point (a, b) having a radius of length r has the equation:
(x -a)² + (y -b)² = r²
Therefore the radius = sq root (16) which = 4
Source:
http://www.1728.org/circle.htm
</span>
Answer:
-22 ans -46
Step-by-step explanation:
3x – 8 ≤ 46 add 8 to the both sides
3x ≤ 54 divide both sides by 3
x ≤ 18 if x is equal or smaller than 18 the values -22 and -46 can make the inequality true
Answer:
The interpretation is that we are 90% sure that the true average salary of the district is in this interval.
Step-by-step explanation:
x% confidence interval:
A confidence interval is built from a sample, has bounds a and b, and has a confidence level of x%. It means that we are x% confident that the population mean is between a and b.
In this question:
The 90% confidence interval for the average salary of the district is [41500,49750].
This means that we are 90% sure that the true average salary of the district is in this interval.
Answer:
You earn more per hour and you would get $127.50
Step-by-step explanation:
You can find how much money you get per hour by dividing! 102 divided by 12 is 8.5 and 120 divided by 15 is 8 so you get more!