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anonymous

  • one year ago

Write an equation. The half-life of Rhodium, Rh-106 is about 30 seconds, you start with 500 grams

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  1. anonymous
    • one year ago
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    Please can someone help? I just got out of the hospital and this is homework that I missed.

  2. anonymous
    • one year ago
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    I just can't figure out the equation on the new meds I'm on:(

  3. Owlcoffee
    • one year ago
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    First of all, we'd have to figure out how much Rhodium we lose every second.

  4. anonymous
    • one year ago
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    we lose 50% rhodium every second which means that it is not linear

  5. Owlcoffee
    • one year ago
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    What is 500 divided 30?

  6. anonymous
    • one year ago
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    it wouldn't be 500/30. it would be 500/2 and then 250/2 and then 125/2 and so on

  7. anonymous
    • one year ago
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    wouldn't it?

  8. anonymous
    • one year ago
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    I just need to answer it in y=m(x)+b format

  9. Owlcoffee
    • one year ago
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    No, if you want to determine, on average, the amount of RH lost in 30 secs, you'd have to first find how much you lose each second. For that matter, you divide the total mass with the total amount of time.

  10. anonymous
    • one year ago
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    why would I need the average? I need to graph it so it is non linear curve. Ive already graphed it just need to get the equation for it.

  11. anonymous
    • one year ago
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    why aren't you answering?

  12. Owlcoffee
    • one year ago
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    Because we need to establish a proportion that will allow us to create the "slope" of the line that will compose that graph you wrote.

  13. anonymous
    • one year ago
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    ok, well 500/30 is 16.666

  14. Owlcoffee
    • one year ago
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    Good. So, if we were to write a function, we would write that multiplied "x" that represents the amount of second that has passed: \[f(x)=500-(16.666)x\] if we call "f(x)" as "y", we will obtain: \[y=500-(16.666)x\]

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