- Complete ionic equation for the reaction KNO3 + CaCl -> KCl + Ca(NO3)2?

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A body is falling freely under gravity. Its velocity is "v" when it lost Potential Energy equal to? Find a, b and c so f (x) = ax2 + bx + c goes through the point (0, 1) and is tangent to the line y = 3x - 2 at the point (2, 4).? URGENTE !! AYUDENME NECESITO 8 SUMAS DE FRACCIONES QUE EL RESULTADO SE = 1 1/2? A fair die is to be rolled 20 times.
Find the expected value and standard deviation of the # of times?
(a) 6 appears
b) 5 or 6 appears.? You see lightning and 49 seconds later you hear thunder. How far away is the thunderstorm? Take the speed of sound to be 340 m/s?