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juno96

  • one year ago

please help me solve 20g^2=16g

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  1. blahblah_who_cares
    • one year ago
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    Well what do you think you have to do to?

  2. mathstudent55
    • one year ago
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    Subtract 16g to the left side and end up with an equation that equals zero. Then factor the left side and set each factor equal to zero. Then solve each equation.

  3. juno96
    • one year ago
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    I'm still lost. -____-

  4. mathstudent55
    • one year ago
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    20g^2 = 16g 20g^2 - 16g = 0 Now can you factor the left side?

  5. mathstudent55
    • one year ago
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    20g^2 - 16g = 0 4g(5g - 4) = 0 4g = 0 or 5g - 4 = 0 g = 0 or 5g = 4 g = 0 or g = 4/5

  6. blahblah_who_cares
    • one year ago
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    Ok heres a better way to do it. Since you want to get g by itself you simply divide by 20. Then square both sides and there is your answer. 20g^2/20=16g/20 g^2=4/5 g = rad 4/5or rad 0.80

  7. blahblah_who_cares
    • one year ago
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    oh but u can simplify it more. Ill let u figure it.

  8. mathstudent55
    • one year ago
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    @blahblah_who_cares Your answer is incorrret, and your method does not work.

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