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anonymous

  • one year ago

suppose you buy a piece of office equipment for $9,000. After 6 years you sell it for a scrap value of $5000. The equipment isdeprecated linearly over 6 years. The value of the piece of equipment ater 4 years is (round to the nearest whole dollar.

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  1. anonymous
    • one year ago
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    line through \((0,9,000)\) and \((6,5000)\) is \[y=-\frac{2000}{3}x+9000\]

  2. anonymous
    • one year ago
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    put in \(4\) for \(x\)

  3. anonymous
    • one year ago
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    can you please explain this to me? I got 5000 - 9000 / 6 = -4000/6 but I cant figure out my answer to that ... which is supposed to be my M because I need to use v(t)=mt+b I thought to find the value of the piece of equipment after 4 years

  4. anonymous
    • one year ago
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    \[\frac{-4000}{6}=-\frac{2000}{3}\] same thing

  5. anonymous
    • one year ago
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    that is your \(m\)

  6. anonymous
    • one year ago
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    aka slope y intercept is what you start with \(9,000\) so line is \[y=-\frac{2000}{3}t+90000\]

  7. anonymous
    • one year ago
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    put in 4 for x

  8. anonymous
    • one year ago
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    or t

  9. anonymous
    • one year ago
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    Oh okay! How would I plug that into the TI to calculate it to find my answer?

  10. anonymous
    • one year ago
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    idk i haven't used a calculator in years http://www.wolframalpha.com/input/?i=-2000*4%2F3%2B90000

  11. anonymous
    • one year ago
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    what do you get as an answer? 87333.3333 ? what would that be to the nearest whole dollar?

  12. anonymous
    • one year ago
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    i guess \(\$87333\)

  13. anonymous
    • one year ago
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    seems wrong though hold on

  14. anonymous
    • one year ago
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    yeah it was wrong, i put in too many zeros

  15. anonymous
    • one year ago
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    http://www.wolframalpha.com/input/?i=-2000*4%2F3%2B9000

  16. anonymous
    • one year ago
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    \[\$6,333\] looks a lot better

  17. anonymous
    • one year ago
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    it does. why did you type it in as -2000*4/3+9000 when the 3 should be under the -2000 and multiply that by 4?

  18. anonymous
    • one year ago
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    yes

  19. anonymous
    • one year ago
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    it doesnt make any difference \[-\frac{2000}{3}\times 4=-\frac{2000\times 4}{3}\]

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