285 hours because there is 264 hours in 11 days and then you just add the 21 to the 264 because they're asking how many hours did each rider ride individually, not all together.
Answer:
zy^5
Step-by-step explanation:
The Solution:
Given:
Required:
Find the standard deviation of the probability distribution.
Step 1:
Find the expected value of the probability distribution.


Step 2:
Find the standard deviation.




Thus, the standard deviation is 1.60
Answer:
1.60
£1.80 divided by 4 =0.45...
so the answer is 45p...
hope this helps and HAGD!!
Answer:
-2 (2 x^2 - 2 x + 5)
Step-by-step explanation:
Factor the following:
-4 x^2 + 4 x - 10
Factor -2 out of -4 x^2 + 4 x - 10:
Answer: -2 (2 x^2 - 2 x + 5)