oscar5763
Answered

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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=

Sagot :

aubreywerner0
What are the rest of the options under the question?
jcherry99

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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