The weights of an orange in the bin at the grocery store vary normally with a mean of 10 oz. and a standard deviation of 2.5 oz.
1 answer:
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Answer:
see below
Step-by-step explanation:
Each reflection is along a line through the other focus of the conic. The two foci of the parabola are the one shown and the one at infinity (the source of light rays).
Answer: The time taken by both of them if they work together is given by
Step-by-step explanation:
Since we have given that
Time taken by Blake to paint one room = 9 hours
Time taken by Ned to paint one room = 6 hours
Work done by Blake =
Work done by Ned =
Total work done by both of them together is given by
So, the time taken by both of them if they work together is given by