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wariber [46]
1 year ago
6

A contractor builds homes of 12 different models and presently has 5 lots to build on. In how many different ways can he arrange

homes on these lots? Assume 5 different models will be built.
Mathematics
1 answer:
Alecsey [184]1 year ago
4 0

Considering the definition of permutation, in 95,040 different ways he can arrange homes on the lots.

<h3>Definition of Permutation</h3>

Permutation is placing elements in different positions. So, permutations of m elements in n positions are called the different ways in which the m elements can be arranged occupying only the n positions.

In other words, permutations are ways of grouping elements of a set in which:

  • take all the elements of a set.
  • the elements of the set are not repeated.
  • order matters.

To obtain the total of ways in which m elements can be placed in n positions, the following expression is used:

m Pn=\frac{m!}{(m-n)!}

where "!" indicates the factorial of a positive integer, which is defined as the product of all natural numbers before or equal to it.

<h3>This case</h3>

In this case, you know:

  • A contractor builds homes of 12 different models.
  • Presently the constractor has 5 lots to build on.

To obtain the total of ways in which he can arrange homes on these lots, you use the permutation. This is, 12 elements o models can be arranged occupying only the 5 positions:

12P5=\frac{12!}{(12-5)!}

Solving:

12P5=\frac{12!}{7!}

12P5= 479,001,600 ÷ 5,040

<u><em>12P5=95,040</em></u>

Finally, in 95,040 different ways he can arrange homes on the lots.

Learn more about permutation:

brainly.com/question/12468032

brainly.com/question/4199259

#SPJ4

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