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Assume that the average person consumes 20 meals per week? (u=20) what is the most logical standard deviation? Result of division? Determine o cosseno do ângulo da reta (r): X=(2,0,1) + t (-1,-2,-2) com a reta definida pelos pontos A(4,0,-1) e B(-2,-3,1).? Can someone help me solve this math problem: Rewrite the Expression as a production of four linear facotrs. Look at pic for expression? I need to solve for x (sin 2x - cos x) /(cos 2x + sin x -1) = sin (pi + x)?