The wind speed near the center of a tornado is represented by the equation S=93logd+65, where d is the distance, in miles, that the tornado travels and S is the wind speed, in miles per hour. If a tornado traveled 4 miles, what was it's wind speed, in miles per hour? Round your answer to the nearest tenth.

The wind speed in miles per hour is 121.0 miles per hour.

Given that

S=93logd+65

Here d denotes the distance

For d we put the 4 miles

So,

S = 93 log(4) + 65

= 120.99

= 121.0 miles per hour

Therefore we can conclude that The wind speed in miles per hour is 121.0 miles per hour.

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Therefore,

Wind speed of a Tornado when it travels 4 miles is 121.0 miles per hour.

Step-by-step explanation:

Given:

The wind speed near the center of a tornado is represented by the equation,

Where,

d =  the distance, in miles

S = the wind speed, in miles per hour.

To Find:

S = ? at d = 4 miles

Solution:

We have

       .........Given

Substitute d = 4 in above equation we get,

Rounding the answer to the nearest tenth we have

Therefore,

Wind speed of a Tornado when it travels 4 miles is 121.0 miles per hour.

answer: 30

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