3 years ago

X-y=-3 I just kinda need the answer

1 answer:

5 0

Just so you know, you have to know at least one of the variables to find out what the other is. Like for example, X could equal 2, so that would make y equal 5. Or X could equal 23, and that would make y equal 26.

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Answer:

Step-by-step explanation:

I usually use a z-score table, but you can do this with a calculator.

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P(z < 2.87) = 0.9979

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