figueroajorge8291
04.07.2019 •
Mathematics
Xsquared minus 14 equals 5x plus 67 minus 5x
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Ответ:
Ответ:
First, combine like terms. 5x will cancel out with -5x.
x² - 14 = 67
x² = 81
√x² = √81
x = +/- 9
The answer will most likely be 9, but the proper answer is both positive and negative 9.
Ответ:
Step-by-step explanation:
For this case we can model the problem as a cylinder.
The volume of a cylinder is given by:
Where,
Ab: base area
h: cylinder height
The volcano is 46 centimeters tall and has a
volume of 800 cubic centimeters.
Substituting values in the equation we have:
From here, we can clear the area of the base
An equation that can be used to find the area of the circular base is: