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iren [92.7K]
3 years ago
12

Which property is shown? 4/5+(-4/5)=0

Mathematics
1 answer:
Aliun [14]3 years ago
8 0

Answer:

Inverse Property

Step-by-step explanation:

Any number X plus the negative of itself = 0

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The useful life of a radial tire is normally distributed with a mean of 30,000 miles and a standard deviation of 5000 miles. The
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  empirical rule: 81.5%

  table or calculator: 81.9%

Step-by-step explanation:

The lower limit of the life range of interest has a z-score of ...

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The upper limit has a z-score of ...

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The probability the tire has a life in the desired range is about 81.5%.

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