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Answer: Her e-mail password is
Step-by-step explanation:
You know that a part of Rivka's e-mail password is formed by the last four digits of her telephone number.
The exercise gives you the last four digits of Rivka's telephone number:
Now, in order to find the other numbers, you need to descompose into its prime factors. Then:
Therefore, based on this, you can determine that her e-mail password is:
Answer:
Step-by-step explanation:
You need to set up two cases (Positive case and negative case) and solve for "x".
- POSITIVE CASE IF:
- NEGATIVE CASE IF:
Therefore, the solution is: