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For each unit increase in pH the activities of Fe3+ and Fe2+ decrease by 1000 fold and 100 fold respectively.
I. 22x² - 97x + 105 = 0
II. 35y² - 61y + 24 = 0
Solve the quadratic equations and determine the relation between x and y:
Equation 1: 11x² - 93x + 88 = 0
Equation 2: 13y² + 118y + 93 = 0
I. p2 – 15p + 56 = 0
II. q2 + 2q – 63 = 0
I). p2 + 8p + 15 = 0
II). q2 + 9q + 20 = 0
I. 2x2– 5x – 12 = 0
II. 2y2+ 13y + 20 = 0
I. 6p² + 17p + 12 = 0
II. 12q² - 25q + 7 = 0
I. 10x2 + 33x + 9 = 0
II. 2y2 + 13y + 21 = 0
Quantity I: The price of rice is decreased by 30%, by how much % the consumption is increase so that the expenditure will decreased by 10%?
Quant...
I. 2y² - 35y + 132 = 0
II. 2x² - 31x + 110 = 0
Roots of the quadratic equation 2x2 + x – 528 = 0 is