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The sum of a particular two-digit number is 17. If this number s digits are reversed, the number is increased by 9. What is this number? If Earth in the beginning was molten lava when cooled it was sterile how did life start? Find all numbers c that satisfy the conclusion of Rolle's Theorem. f(x)=sin(x/2), [pi/2,3pi/2]? How to confirm that a reaction when plotted other than rate Vs concentration is
a. First order? b. Second order? A ball moves 10 kg with speed 10m/s of second ball mass 30 kg horizontal surface. what is speed of second ball of 1st ball rebound 5 m/s?