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PanjiUR9220
31.10.2019 •
Mathematics
Find the value of x
23
34
56
14
Solved
Show answers
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Ответ:
The two angles together form a straight angle, i.e. an angle of 180 degrees. This means that
Sum like terms:
Subtract 27 from both sides:
Divide both sides by 9:
Ответ:
Step-by-step explanation:
Gold has a specific density. While fake gold can look exactly like gold, its density cannot be replaced. When an object is placed in water, its density and volume can be calculated by finding out how much water it displaces. If a fake gold object is placed in water, it will displace a different amount of water than actual gold will. Therefore, Archimedes' principle helped the king discover fake gold.