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Destinyyyy

  • one year ago

Can someone help me with this? B. Use model 1 to determine the cost in 2000 of what cost $10,000 in 1975. C. Use model 2 to determine the cost in 2000 of what cost $10,000 in 1975.

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  1. Destinyyyy
    • one year ago
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  2. Destinyyyy
    • one year ago
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    B. Use model 1 to determine the cost in 2000 of what cost $10,000 in 1975.

  3. Destinyyyy
    • one year ago
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    C= 952 (25)+15,162 or C= 952 (30)+15,162

  4. Destinyyyy
    • one year ago
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    C. Use model 2 to determine the cost in 2000 of what cost $10,000 in 1975.

  5. arindameducationusc
    • one year ago
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    what is model1,2?

  6. Destinyyyy
    • one year ago
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    The first picture has the equation for model 1 and 2.

  7. arindameducationusc
    • one year ago
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    okay, I didn't notice that pic :D.. wait solving...

  8. Destinyyyy
    • one year ago
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    Okay

  9. arindameducationusc
    • one year ago
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    if you put x=25 in the first equation, you get y which is the answer

  10. Destinyyyy
    • one year ago
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    38,287

  11. arindameducationusc
    • one year ago
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    i guess you did that way.... that should be correct.

  12. arindameducationusc
    • one year ago
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    and in the second equation what did you put?

  13. Destinyyyy
    • one year ago
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    I got 38,614

  14. Destinyyyy
    • one year ago
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    And both of them were wrong.. I have a similar problem pulled up now

  15. arindameducationusc
    • one year ago
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    hmmm.... i will ask @phi

  16. arindameducationusc
    • one year ago
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    is the answer 32000, just asking?

  17. phi
    • one year ago
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    the "fine print" says x is the number of years from 1980 if we want the number for year 2000, we want to use x= 2000-1980= 20 (not sure how we got 30!)

  18. Destinyyyy
    • one year ago
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    I think it was 32,202 but I cant see it any more.

  19. arindameducationusc
    • one year ago
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    @phi is here... He is awesome....... dont worry @Destinyyyy

  20. Destinyyyy
    • one year ago
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    So I ignore 1975??? O.o

  21. phi
    • one year ago
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    the formula we use says "x is years from 1980". ok, then that is what we do.

  22. texaschic101
    • one year ago
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    for the first one you sub in 20 for x

  23. Destinyyyy
    • one year ago
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    34,202

  24. phi
    • one year ago
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    ok

  25. Destinyyyy
    • one year ago
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    Is that the final answer?

  26. phi
    • one year ago
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    it depends, do they want the exact number, or do they want you to round it to the nearest thousand?

  27. Destinyyyy
    • one year ago
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    It says round to the nearest thousand dollar as needed.

  28. phi
    • one year ago
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    I know for part (a) you should round. (it is hard to read a graph very accurately)

  29. Destinyyyy
    • one year ago
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    Opps sorry read the wrong one. It says round to the nearest dollar as needed

  30. phi
    • one year ago
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    then that is the answer (without the comma, probably)

  31. Destinyyyy
    • one year ago
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    Okay..What about C.?

  32. Destinyyyy
    • one year ago
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    Do the same thing?

  33. phi
    • one year ago
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    x is still 20, but use a different equation

  34. Destinyyyy
    • one year ago
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    29,964

  35. texaschic101
    • one year ago
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    if you go by the graph, it looks like 32,000

  36. Destinyyyy
    • one year ago
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    Yes thats the answer for A.

  37. phi
    • one year ago
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    I got a different number for part c

  38. anonymous
    • one year ago
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    is your name destiny cuz my name is desteny just with an e insted of an i

  39. Destinyyyy
    • one year ago
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    15,964

  40. phi
    • one year ago
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    can you show your work?

  41. Destinyyyy
    • one year ago
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    -2(20)^2 +1020 (20) +14364 -2(400)+ 2400 +14,364 15964

  42. phi
    • one year ago
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    1020*20 is not 2400

  43. Destinyyyy
    • one year ago
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    Yes my name is Destiny.

  44. anonymous
    • one year ago
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    oh cool

  45. Destinyyyy
    • one year ago
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    Opps guess I typed plus instead of multiply

  46. texaschic101
    • one year ago
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    C = -2 (20^2) + 1020(20) + 14,364 C = -2(400) + 20,400 + 14,364 C = -800 + 20,400 + 14,364 C = -800 + 34,764 C = 33,964......I am getting this

  47. Destinyyyy
    • one year ago
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    Yes I just got that

  48. Destinyyyy
    • one year ago
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    So 33,964 is the final answer?

  49. phi
    • one year ago
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    yes

  50. Destinyyyy
    • one year ago
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    Okay. Thank you!

  51. texaschic101
    • one year ago
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    if it does not have to be rounded...then yes

  52. arindameducationusc
    • one year ago
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    Good job in helping her, everyone..... :D

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