The middle question please my sister needs help and I don't know how to solve it
1 answer:
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Answer:
There are 60 permutations that can be formed from the first five letters of the alphabet.
Step-by-step explanation:
The number of three letter permutations that can be formed from the first five letters of the alphabet is .
= 60
Hence, there are 60 permutations that can be formed from the first five letters of the alphabet.
Answer:
<h2>Angle ADF is equal to 52° and angle FDC is equal to 38°.</h2>Step-by-step explanation:
In the image attaches, you can observe that angles ADF and FDC are complementary angles, because they sum 90°.
And we know that
Replacing these expressions, we have
Then, we replace this value in each expression to find both angles measures.
Therefore, angle ADF is equal to 52° and angle FDC is equal to 38°.
