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faltersainse [42]
3 years ago
10

To gain access to his account, a customer using an automatic teller machine (ATM) must enter a four-digit code. If repetition of

the same four digits is not allowed (for example 5555), how many possible combinations are there?
Mathematics
1 answer:
VMariaS [17]3 years ago
8 0
I’m not really much sure, I tried.
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Given two points: (x₁,y₁) and (x₂,y₂) the slope "m" will be:
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