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tiny-mole [99]
3 years ago
14

What is the GCF of 10 and 12

Mathematics
2 answers:
Anvisha [2.4K]3 years ago
8 0

Answer:

2

Step-by-step explanation:

When I find GCF, I like to use the factor tree to do prime facotrization. The prime factorization of 10 is 2 and 5. The prime factorization of 12 is 2,2, and 3. The last step is to selected the prime numbers that are the same. ​

10: 2, 5​

12: 2,2,3​

As you can see, 2 is the only number that is in both of the prime factorization so the answer is 2. ​

​

​

Trava [24]3 years ago
7 0

The GCF should be 2

10:    2     5

12:    2 2 3  

GCF:    2      


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Answer:

b. We are 95% confident that the proportion of coworkers who went on a vacation last year away from home for at least a week is between 50% and 66%.

Step-by-step explanation:

A confidence interval at the level of x% for a proportion being between a and b means that we are x% sure that the true proportion of the population is between a and b.

In this problem, we have that:

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The correct answer is:

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3 years ago
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A. The number of possible ways can this be done, if the order of the choices is not taken into consideration is 1, 287 ways

B. The number of possible ways can this be done, if the order of the choices is taken into consideration is 154,440 ways

<h3>What is meant by permutation and combination?</h3>

Combination and permutation are two alternative strategies in mathematics to divide up a collection of components into subsets. The subset's components can be listed in any order when combined. The components of the subset are listed in a permutation in a certain order.

A. We want to select 5 objects from a total 13, without considering the order in which they are chosen.

The correct way to do this exists by utilizing the combination formula since order exists not considered;

Therefore, we have ; 13 C 5 read as 13 combination 5;

Let the equation of combination be n C r = n!/(n-r)!r!

substituting the values in the above equation, we get

13!/(13-8)!8! = 13!/5!8! = 1,287 ways

B. By considering order, we shall be using the permutation formula;

Let the equation of permutation be n P r = n!/(n-r)!

substituting the values in the above equation, we get

13 P 5 = 13!/(13-5)!

= 13!/(13-5)! = 13!/8! = 154,440 ways

To learn more about permutation and combination refer to:

brainly.com/question/11732255

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Answer:

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