l hope you can solve this
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1
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I think that will be (x-5)meter
Step-by-step explanation:
total length of pole is X
so it broken into two parts...
one is of 5 m
rest one will be (x-5)meter
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8
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Hardness testing machines perform three common kinds of scientific hardness tests: the Brinell hardness test, the Rockwell hardness test, and the Vickers hardness test. The Rockwell hardness test is the most widely used technique, easy to carry out and more precise than other kinds of evaluations.
A Brinell hardness tester can test all types of metals. The results of the Brinell method are more accurate and reliable than those obtained by the Rockwell method because the use of a spherical indenter distributes pressure evenly
Step-by-step explanation:
10thanks plzzzz sis
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