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96mertcank96

  • 3 years ago

If y varies directly as x and y and y= 48 when x = 16 write the variation equation for this situation?

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  1. binarymimic
    • 3 years ago
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    y varies directly as x and y ?

  2. 96mertcank96
    • 3 years ago
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    yes

  3. binarymimic
    • 3 years ago
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    not sure what that means? i know y can vary directly with x, but what does it mean "y varies directly with x and y" ? that would mean y = kxy

  4. 96mertcank96
    • 3 years ago
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    oh no do the normal equation

  5. binarymimic
    • 3 years ago
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    oh ok if y varies directly with x then \[y = kx\] let x = 16 let y = 48 solve for k

  6. 96mertcank96
    • 3 years ago
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    is it 48=k16?

  7. binarymimic
    • 3 years ago
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    right, that is how you will solve for k. what answer do you get for k ?

  8. 96mertcank96
    • 3 years ago
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    3 but in the question it doesnt ask for k and i did write 48=k16 and got it wrong

  9. binarymimic
    • 3 years ago
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    well we didn't answer the question yet. we can't answer the question without knowing what k is since we solve for k = 3 then we know y = kx y = 3x

  10. 96mertcank96
    • 3 years ago
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    now i see the problem... thank you!

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