Answer:
B
Step-by-step explanation:
Hi,
2πr is the formula for circumference, you know your diameter is 4cm and radius is half of the diameter, so your radius is 2cm.
To find the circumference, you have to multiply 2 by 2 and pie. 2 x 2 is 4. So 4 times pie. B is your correct answer.
I hope this helps :)
Answer:
The margin of error for a 90% confidence interval is 16.4
Step-by-step explanation:
We are given the following in the question:
Sample size, n = 25
Standard deviation = 50

Margin of error =

Putting the values, we get,

Thus, the margin of error for a 90% confidence interval is 16.4
Answer:
A. is your answer.
Step-by-step explanation:
If you look at the picture, you can see that S and T are congruent with each other.
LG and TD are not congruent along with L and D.
A. is your answer.
= 4i (2i) <span>√6
= 8i^2 </span><span>√6 but i^2 = -1
= - 8</span><span>√6</span><span>
</span>
888×333= 295704 which is your length and the next step is to multiply your length times your width which would be 295704×333=262585152. So your FINAL ANSWER IS 262585152 METERS SQUARED