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Luden [163]
3 years ago
15

The expression P(4, 3) is equal to: -3! -4! - 1

Mathematics
1 answer:
nexus9112 [7]3 years ago
6 0

Answer:

P(4,3) = 4!

Step-by-step explanation:

Given

P(4,3)

Required

Solve

Using permutation formula;

P(n,r) = \frac{n!}{(n-r)!}

This implies that

P(4,3) = \frac{4!}{(4-3)!}

P(4,3) = \frac{4!}{(1)!}

P(4,3) = \frac{4!}{1!}

P(4,3) = \frac{4!}{1}

P(4,3) = 4!

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Answer:

P = (65 - R) / 60

Step-by-step explanation:

Raul's grandfather is Miguel

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We are given that Raul’s age is the same as his grandfather’s age minus 60 times the age of his sister. If we write this mathematically, we have that:

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We are then given that Miguel is 65 years old, this means that M = 65

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To find Paula's age, we make P the subject of formula, hence:

60P = 65 - R

=> P = (65 - R) / 60

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