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natta225 [31]
3 years ago
6

Brandie lives on the twelfth floor of her apartment building. She walks down 2 flights to visit a friend, then up 3 flights to d

eliver a message to a neighbor. Which integer best represents the number of flights Brandie must walk to get back to her starting point? –12 –1 5 7
Mathematics
2 answers:
alisha [4.7K]3 years ago
7 0

Answer:

-1

Step-by-step explanation:

Debora [2.8K]3 years ago
3 0

Answer:

-1

Step-by-step explanation:

She walked down 2 flights, then up 3 flights. This would cause her to be 1 floor above her floor. So, she would have to walk down 1 flight (hence the negative in the -1) and she would be on her floor.

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skad [1K]

If the standard deviation of an exam is 5, the z-score us 1.95 and the mean is 80, the actual test score is; 89.75

<h3>How to solve z-score problems?</h3>

We are given;

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so

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