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What is the stoichemtry starting with 50 grams of carbon? 2CO+O2>2CO2? Find the sum of cos^2 x + cos^2 (x+1°) + cos^2 (x+2°) + ... + cos^2 (x+179°).? The product of four fourth roots of 64 is :
Options: -1/0/2/none. Please guys!? Matriz freemat? What is y^4 minus y^3 plus 2y^2 +y minus1 divided by y^3 + 1?