kg/m³ va g/cm³

x² + 3x -18=0

↔x²​+ 6x -3x -18=0

↔ (x+6)x - 3(x+6)=0

↔(x+6)(x - 3)=0

↔x=3 hoac x= -6

1/2 - ( 1/3 + 1/4 ) < ..1....< 1/48 - ( 1/16 - 1/6 )

1

a).18..km/h=5m/s

b)12m/s=.43,2..km/h

c)48km/h=.40/3..m/s

d)150cm/s=..540.m/s=.1944..km/h

e)62km/h=.223,2..m/s=.803,52...cm/s

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