- Quanti km devo cambiare l olio su un 1200 a benzina Chi dice 10000 chi quindici mila?

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Given that y=0 when x=1, solve the differential equation
xyδy/δx=y²+4,
obtaining an expression for y² in terms of x.? Vector A makes an angle of 20° and B makes an angle of 110° with the x axis. The magnitudes of A= 20 mag of b = 30. Find angle of resultant? Strongest sedative? What is the pH of a 0.210 M aqueous solution of potassium nitrite, KNO2? pH =? What have you done for science if any?