annie375
29.06.2020 •
Mathematics
This inequality has a symbol:
3
+423
X+2
But the graph of the solution contains an open
circle.
H HOHHH
-8 -6 -4 -2 0 2 4 6 8
Explain why the solution does not include x = -2.
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Ответ:
60 = 1/2*15*h
60 = 15/2*h
60*2 = 15*h
120 = 15*h
120/15 = h
8 = h
so height is 8 meters