Mathematics, 09.02.2021 05:50 SillyEve
Mary works in a top secret research laboratory. In order to gain access to the building, she must use a secret four-digit code. All codes from 0000 to 9999 are possible. As a security feature, Mary is required to get exactly one digit wrong each time, and not to enter the same four-digit number as she did last time. The security guard can see the numbers that she enters into the keypad. What is the maximum number of different four-digit numbers Mary can enter without the security guard being able to be certain of the secret code? A2 B8 C 32 D 4096
Answers: 2
Mathematics, 21.06.2019 18:30
Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.
Answers: 3
Mathematics, 21.06.2019 19:30
Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?
Answers: 1
Mary works in a top secret research laboratory. In order to gain access to the building, she must us...
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