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zlopas [31]
3 years ago
11

An object placed in a graduated cylinder raised the volume from 12.2 mL to 14.5 mL. Find the volume of the object.

Mathematics
1 answer:
Oksanka [162]3 years ago
6 0

Answer:

2.3 mL

Step-by-step explanation:

This is called finding the volume by displacement. By subtracting the final volume and the initial volume you can determine how much the volume changed when the object was added. That change in voulme represents the volume of the object, so in this case:\

14.5-12.2 = 2.3 mL

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The values of x in the quadratic equation using completing the square method are x=-4 \pm \sqrt{5}.

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Use completing the square method to solve the equation as,

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