Cathie is making a dress with a sash. The sash needs to be 72.8 inches long, but Cathie's measuring tape is only in centimeters.
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<h2>Hello!</h2>
The answer is: There is a total of 5.797 gallons pumped during the given period.
<h2>Why?</h2>To solve this equation, we need to integrate the function at the given period (from t=0 to t=4)
The given function is:
So, the integral will be:
So, integrating we have:
Performing a change of variable, we have:
Then, substituting, we have:
Reverting the change of variable, we have:
Then, evaluating we have:
So, there is a total of 5.797 gallons pumped during the given period.
Have a nice day!