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Outside temperature over a day can be modelled as a sinusoidal function.? Help me to solve the following question!
Find integers x and y such that 57x+79y=17, and 400 How many moles of ions are in a solution of 7.4 moles FeCI3 in 500 mL water? Is it true that the oxidation number of an ion is equal to its protons subtracting its electrons? Chi mi sa spiegare questa dervata (ln^2x)/x dx?