When constructing an inscribed square, how many lines will be drawn in the circle?
2 answers:
Answer:
Option A.
Step-by-step explanation:
We need to find the number of lines that will be drawn in the circle to construct an inscribed square.
The steps for constructing an inscribed square in a circle are
1. Draw a circle.
2. Make a diameter of that circle.
3. Draw the perpendicular bisector of that diameter.
4. Now marks the intersection points of these two lines are circle.
5. Connect these 4 intersection points consecutively by straight lines.
Diameter and a perpendicular bisector of diameter are two lines which that will be drawn in the circle to construct an inscribed square.
Therefore, the correct option is A.
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Answer:
The upper boundary of the 95% confidence interval for the average unload time is 264.97 minutes
Step-by-step explanation:
We have the standard deviation for the sample, but not for the population, so we use the students t-distribution to solve this question.
The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So
df = 35 - 1 = 35
95% confidence interval
Now, we have to find a value of T, which is found looking at the t table, with 34 degrees of freedom(y-axis) and a confidence level of ). So we have T = 2.0322
The margin of error is:
M = T*s = 2.0322*30 = 60.97
The upper end of the interval is the sample mean added to M. So it is 204 + 60.97 = 264.97
The upper boundary of the 95% confidence interval for the average unload time is 264.97 minutes
Yes they are equivalent. This is because if you simplify each fraction : 288/12 and 240/10 they both equal 24.
