Iron has a density of 7. 87 g/cm3. What mass of iron would be required to cover a football playing surface of 120 yds × 60. Yds to a depth of 1. 0 mm? (1 inch = 2. 54 cm).

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3

step-by-step explanation:

because where the point where the 2 lines intersect is (3,-1) the x value is 3

113.1

step-by-step explanation:

v=4

3πr3=4

3·π·33≈113.09734