Question

On march 24, 1989, the exxon valdez oil tanker ran aground and leaked millions of gallons of oil into prince william sound. the spill covered approximately 11,000 square miles of ocean. the oil spread out in a circular pattern and the radius increased by 0.10 mph. use π = 3.14. at this rate, how many hours did it take for oil to cover the area? 187 hours 592 hours 1,871 hours 5,917 hours

Answer 1

hours did it take for oil to cover the area  = 592

The correct option is B.

What is geometrical figure?

Geometrical shapes are the shapes that depict the shapes of various items. Various figures have two dimensions, while others have three. Only the x and y axes are used for two-dimensional figures, whereas the x, y, and z axes are used for three-dimensional shapes.

According to the given information:

Given,

Area = 11000m²

Radius = .10m/h

We know the area of the circle:

Area = πr²

The relation between parameter:

Area = πr²

11000 = 3.14 * (0.10t)²

Dividing both side by 3.14

11000/3.14 = (3.14 * (0.10t)²)/3.14

by solving this we get:

(.10t)² = 3503.184

.10t = 59.187

dividing both side by 0.10

t  = 59.187/.10

t =  591.877

t = 592

hours did it take for oil to cover the area  = 592

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