oscar5763 oscar5763

05-03-2021
Biology

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The hardness of a steel nail is about 5.5 a certain mineral scratches a steel nail but does not scratch quartz. What could the hardness of mineral be

The hardness of a steel nail is about 55 a certain mineral scratches a steel nail but does not scratch quartz What could the hardness of mineral be class=

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aubreywerner0 aubreywerner0

05-03-2021

What are the rest of the options under the question?

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jcherry99 jcherry99

05-03-2021

Answer:

Pick any answer between 5.5 and 7. If you have 6 choose it.

Explanation:

Quartz has a hardness of 7.

The steel ball is 5.5

The mineral must be between these two values. Written mathematically

5.5 < x < 7

So pick any value that is between 5.5 and 7. The other choices would be valuable.

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