Answer:
7854 square centimeters
Step-by-step explanation:
The area of a circle is given by
A = pi r^2
A = pi ( 50)^2
A = 2500 pi
Let pi be approximated by 3.14
A = 2500 * 3.14
A =7850 cm^2
So the total number of students equals 8+17 = 25 students
Proportionally:
Thus,
boys out of the 100 students.
Answer: search it and i cant see well so sorry
Step-by-step explanation: research
Answer:
C) The confidence interval is not biased.
Step-by-step explanation:
When a relationship between two variables is observed the confidence interval should not be biased. If the confidence interval is found to be biased then the observed results will be reliable and accurate. Regression analysis of heart rate and maximal oxygen uptake is analyzed and the correlation will not be equal to zero. This means there will be some correlation between the two variables.
What is 7x5x4, it is 140 so the volume is 140in^3 its a pretty simple problem
