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notsponge [240]
3 years ago
7

Is 3x + x=3x true or false? If false, write the correct answer

Mathematics
1 answer:
myrzilka [38]3 years ago
8 0

Answer:

This is true if x equals 0

Step-by-step explanation:

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Given that mean=56.1 and standard deviation=8.2, P(x>67.5) will be found as follows:
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thus the z-score will be given by:
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z=11.4/8.2
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thus:
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