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2 answers:
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The number of arrangements is an illustration of permutations.
The number of arrangement is 5040
The given parameter is:
<em /><em> --- number of days</em>
<em /><em> --dinners for 7 days</em>
<em />
So, the number of different arrangement is
Substitute known values
Hence, the number of arrangement is 5040
Read more about arrangements at:
Complete question is;
In the triangles attached , DF is congruent to MN,DG is congruent to MP, angle D is congruent to angle P. Can you prove that triangle DFG is congruent to MNP.
Answer:
Proved below
Step-by-step explanation:
From the attached triangles, we can see that;
∠D corresponds to ∠M
∠F corresponds to ∠N
∠G corresponds to ∠P
But we are told that ∠D is congruent to ∠P. Thus, since we have 2 other congruent sides in the triangles, we can conclude that Side-Angle-Side Postulate (SAS) congruency theorem that triangle DFG is congruent to MNP.
