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anonymous

  • 5 years ago

please help in 1980, your car was worth $25,000, now in 2010 your car is worth $13,000. What is the annual decay rate?

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  1. anonymous
    • 5 years ago
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    What is the definition of rate?

  2. anonymous
    • 5 years ago
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    If you dont know please tell me.

  3. anonymous
    • 5 years ago
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    i dont know what it means

  4. anonymous
    • 5 years ago
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    Rate is change of something over a time interval

  5. anonymous
    • 5 years ago
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    usually its written like this\[\Delta Value /\Delta time\]

  6. anonymous
    • 5 years ago
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    by how much did the car value went down?

  7. anonymous
    • 5 years ago
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    is that what the rate is

  8. anonymous
    • 5 years ago
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    thats the equation of rate yes

  9. anonymous
    • 5 years ago
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    so what numbers do you plug in to solve it

  10. anonymous
    • 5 years ago
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    \[\frac {d _{1}- d _{0}}{t _{1}-t _{0}}\] d1= final value of car d0= initial value of car t1= final year t0= initial year

  11. anonymous
    • 5 years ago
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    thanks

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