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Goryan [66]
2 years ago
14

How many palindromes of length 5 can you form using letters with the following properties: they start with a consonant, and the

consonants and vowels alternate; no letter appears more than twice. (Note: assume letters "a", "e", "i", "o", and "u" are the vowels of the English alphabet).
Mathematics
1 answer:
Zielflug [23.3K]2 years ago
6 0

Answer:

  2100

Step-by-step explanation:

There are 21 consonants that can serve as the first and last letters. There are 5 vowels that can serve as the 2nd and 4th letters. There are 20 remaining consonants that can serve as the 3rd letter. (The same consonant cannot appear in all three places.)

So, the total number of 5-letter palindromes that start with a consonant and alternate with a vowel will be ...

  21×5×20 = 2100 . . . different palindromes

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Question 5 (1 point)
11Alexandr11 [23.1K]

Answer:

Hi there!

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Step-by-step explanation:

Using the order of operations, you first solve what it is inside of the parenthesis, which in this case is (4-2), that equals to 2.

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Answer:

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1.
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Step-by-step explanation:

1. Rewrite the expression in fraction form:

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