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belka [17]
4 years ago
5

Suppose that a "code" consists of digits, none of which is repeated. (A digit is one of the numbers 0,1,2,3,4,5,6,7,8,9.) How ma

ny codes are possible?
Mathematics
1 answer:
icang [17]4 years ago
4 0
I think it is even numbers
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Number 14 please. I need help badly.
Leya [2.2K]

Answer:

23b - 8

Step-by-step explanation:

Simplify:

(9b + 8) + (12b - 8) + (12b - 8)

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Simplified expression:

23b - 8

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