Algebra

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I have an assignment due tonight and I believe I have solved it all correctly until I come to part d of the question. "For what value is this equation undefined?" How do I determine this?

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Environmental and wildlife preservation ensures future generations will have available resources and can enjoy the beauty of Earth. On the other hand, some of the damage humans have already done to the environment is expensive and time consuming to eradicate.

Application Practice

Answer the following questions. Use Equation Editor to write mathematical expressions and equations. First, save this file to your hard drive by selecting Save As from the File menu. Click the white space below each question to maintain proper formatting.
The cost, in millions of dollars, to remove x % of pollution in a lake modeled by
What is the cost to remove 75% of the pollutant?
6000/¨€(200-2(.75)@$30.23 million)
What is the cost to remove 90 % of the pollutant?
6000/¨€(200-2(.90)@$30.27 million)
What is the cost to remove 99% of the pollutant?
6000/¨€(200-2(.99)@$30.30 million)
For what value is this equation undefined?

Do the answers to sections a¨Cd match your expectations? Why or why not?

  • Algebra -

    The cost, in millions of dollars, to remove x % of pollution in a lake modeled by
    What is the cost to remove 75% of the pollutant?
    6000/¨€(200-2(.75)@$30.23 million)
    What is the cost to remove 90 % of the pollutant?
    6000/¨€(200-2(.90)@$30.27 million)
    What is the cost to remove 99% of the pollutant?
    6000/¨€(200-2(.99)@$30.30 million)
    For what value is this equation undefined?

    Do the answers to sections a¨Cd match your expectations? Why or why not?

  • Algebra -

    The formula's are not posting but I have solved the questions. I just need to know how I determine how the equation is undefined.
    1. The cost, in millions of dollars, to remove x % of pollution in a lake modeled by
    a. What is the cost to remove 75% of the pollutant?
    b. What is the cost to remove 90 % of the pollutant?
    c. What is the cost to remove 99% of the pollutant
    d. For what value is this equation undefined?
    e. Do the answers to sections a–d match your expectations? Why or why not?

  • Algebra -

    When a denominator is zero.

  • Algebra -

    These are not answered correctly. The correct way is to use a whole number to solve, not as a percent. You will end up with an incorrect answer using it in percent form.

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