Question

A scuba diver is descending at an average rate of 39.8 feet per minute.

What value represents the scuba diver's elevation relative to sea level after 2.9 minutes?

Enter your answer in the box. ft

Answer 1

Answer:

115.42 ft

Step-by-step explanation:

Multiply the number of ft per minute by the minutes spent descending which gives 115.42. I hope this helps you

Answer 2

The scuba diver's elevation relative to sea level after 2.9 minutes is 115.42 feet below sea level.

The equation of a straight line is given by:

y = mx + b;

where y,x are variables, m is the slope of the line and b is the y intercept.

let x represent the number of minutes and y represent the elevation for x minutes.

Since the scuba diver is descending at an average rate of 39.8 feet per minute. The linear equation becomes:

y = -39.8x

The elevation at 2.9 minutes is:

y = -39.8(2.9)

y = -115.42

Therefore the scuba diver's elevation relative to sea level after 2.9 minutes is 115.42 feet below sea level.

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