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I need help with this math problem it seems simple but im confused.? If 15.5 g of Iron metal at 99.9 degrees C is dropped into 200.0 mL of water at 23.0 degrees C, what will be the final temperature of the met? Let u and v orthogonal the u x (v x z) is parallel to v ? Does it ever rain all day in Florida? As coordenadas do centro e o raio da circunferência de equação x2+y2- 4x-8y+19=0 estão corretamente expressos em:?