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Maurinko [17]
3 years ago
7

Write an expression to represent the perimeter of the rectangle: 3* +10 * +5

Mathematics
1 answer:
Schach [20]3 years ago
3 0

Answer:

the perimeter is 18

Step-by-step explanation:

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A certain organization recommends the use of passwords with the following​ format: vowel commavowel, consonant comma consonant c
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The password format is = inpray93

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Since, there are 21 consonants and repetition is allowed so for 2nd, 3rd, 4th, and 6th positions 21 choices are available. For 1st and 5th positions, 5 choices  are available and for 7th and 8th position there are 10 choices (0 to 9).

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So, the number of passwords can be =

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