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tamaranim1 [39]
3 years ago
10

part of the river she observed fell 1.68 millimeters per year for 1.5 years. Use the distributive property to calculate the exac

t variation in water level for the time period.
Mathematics
1 answer:
Alecsey [184]3 years ago
8 0
1.68 mm per year for 1.5 years could be rewritten as 
(2.00-0.32) mm per year for 1.5 yrs.

Multiply:  (1.5 yrs)(2.00-0.32)(mm/yr) = 3 mm + 0.48 mm = 3.48 mm

This approach makes use of the distributive property of multiplication.
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Same strategy as before: transform <em>X</em> ∼ Normal(76.0, 12.5) to <em>Z</em> ∼ Normal(0, 1) via

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