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rusak2 [61]
2 years ago
9

Joan wants to make a dinner plan for next week.. How many different arrangements are there for the 7 d a y s ?

Mathematics
1 answer:
4vir4ik [10]2 years ago
3 0

The number of arrangements is an illustration of permutations.

The number of arrangement is 5040

The given parameter is:

<em />n = 7<em> --- number of days</em>

<em />r = 7<em> --dinners for 7 days</em>

<em />

So, the number of different arrangement is

^nP_r = \frac{n!}{(n - r)!}

Substitute known values

^7P_7 = \frac{7!}{(7 - 7)!}

^7P_7 = \frac{7!}{0!}

^7P_7 = \frac{5040}{1}

^7P_7 = 5040

Hence, the number of arrangement is 5040

Read more about arrangements at:

brainly.com/question/15301090

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