A vacuum gauge is a pressure gauge used to measure pressures lower than the ambient atmospheric pressure, which is set as the zero point, in negative values (e.g.: −15 psig or −760 mmHg equals total vacuum).
Answer:
5
Explanation:
3/4of marble is blue
i.e,3/4 of 20
i.e, 15 are blue
then number of NOT blue is 20-15=5!
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Short ones are 4.5 inches but long ones can be up to 8 inches.
Answer:
Input, processing, and output are the three activities in an information system that produce the information an organization needs.