Mathematics, 04.07.2020 23:01 alejandra1201
2. Arcelor Mittal Dofasco can buy iron ore pellets from Minnesota at US$110 per short ton (2000 pounds) or from Labrador at C$160 per metric tonne (1000 kg). Which source is more expensive and by how much in C$ per metric tonne? (Total: 7 marks) (1 pound = 0.4536 kg, C$1.1400 = US$1.00) Weight and currency calculations should be to 4 decimal places; final answer rounded to the nearest cent. Determine the price of Minnesota ore in C$ per metric tonne.
Answers: 1
Mathematics, 21.06.2019 15:00
Cherie measures and records the lengths and sizes of the same style of a sandal found at a shoe store. which equation can be used to determine the approximate shoe size, s, for a foot length of x inches? s = x – 2 s = 2x – 10 s = x + 6 s = 2x + 4
Answers: 3
Mathematics, 21.06.2019 19:30
Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)
Answers: 1
2. Arcelor Mittal Dofasco can buy iron ore pellets from Minnesota at US$110 per short ton (2000 poun...
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