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If you triple my age and then subtract 11 it would be the same as if you doubled my age and then added 6. What is my age?
1 answer:
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Answer:
Step-by-step explanation:
GIVEN: There are two boxes. in the first box there are cards numbered from
to
the second box also contains
cards from
pick one card from each box.
TO FIND: probability that the sum of the two two cards is at least .
SOLUTION:
sample case such that sum of cards is :
sample case such that sum of cards is :
sample case such that sum of cards is :
Total sample case such that sum is atleast
Total sample cases
probability that the sum of the two two cards is at least
probability that the sum of the two two cards is at least is
Answer:
40 years after 1982, there is 396.85 kilograms of radioactive element remaining. The area will not be safe for human habitation by 2022.
Step-by-step explanation:
We are given the following in the question:
where f(x) is the amount of normal curve cannot be used as an approximation to the binomial probability. in kilograms x years after 1982.
We have to approximate f(40)
Putting x = 40, we get
Thus, 40 years after 1982, there is 396.85 kilograms of radioactive element remaining.
With 100 kilograms of radioactive material, the area is unsafe for humans.
Thus, the area will not be safe for human habitation by 2022.