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juno96

  • 2 years ago

please help me solve 20g^2=16g

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  1. blahblah_who_cares
    • 2 years ago
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    Well what do you think you have to do to?

  2. mathstudent55
    • 2 years 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
    • 2 years ago
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    I'm still lost. -____-

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

  5. mathstudent55
    • 2 years 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
    • 2 years 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
    • 2 years ago
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    oh but u can simplify it more. Ill let u figure it.

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

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