Answer:
9/35
Step-by-step explanation:
There are a total of 15 bulbs to choose from randomly. First a new bulb is chosen. Chance is 9/15 because 9 out of 15 are new.
Then there are only 14 bulbs left. Then a used bulb is chosen. Chance is 6/14 since 6 out of remaining 14 are used.
Total chance for this to happen is 9/15 * 6/14 = 54/210 = 9/35.
Answer:
m=45
Step-by-step explanation:
Use the chain rule.
Let u = 25sin²(x), such that dy/dx = dy/du · du/dx


SOLUTIONS
Given: Assume y is the population

The town grow at the rate of 30 people per year.


(A) The population predicted to be in 2030 will be

(B) so when y = 15000, find t