Which of the following is the prime factorization of 510
2 answers:
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Answer:
47
Step-by-step explanation:
Let a, b, and c be those three numbers.
When two of the three numbers are added at a time, the possible sums are 32, 39, 23. Let
Add these three equations:
Divide this equation by 2:
The sum of all three numbers is 47.
Answer:
a) The officers can be appointed in 24024 different ways.
b) The committee can be appointed in 1001 different ways.
c) 1.1% probability of randomly selecting the committee members and getting the three youngest of the qualified candidates
Step-by-step explanation:
The order in which the officers are appointed is important(the first is the president, second the CEO and so on...). So the permutations formula will be used.
Otherwise, in the committee there are no roles, so the order is not important. So the combinations formula will be used.
Permutations formula:
The number of possible permutations of x elements from a set of n elements is given by the following formula:
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.
A. How many different ways can the officers be appointed?
4 from a set of 14, with roles. So a permutation.
The officers can be appointed in 24024 different ways.
B. How many different ways can the committee be appointed?
4 from a set of 14, without roles. So combination
The committee can be appointed in 1001 different ways.
C. What is the probability of randomly selecting the committee members and getting the three youngest of the qualified candidates?
A probability is the number of desired outcomes divided by the number of total outcomes.
Desired outcomes.
The three youngest(1 combination), and one of the other 14-3 = 11. So
Total outcomes:
From B., 1001, so
Probability:
1.1% probability of randomly selecting the committee members and getting the three youngest of the qualified candidates