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katlin95

If you bought a car at $1900 which depreciates 20% each year, what will it be worth after 4 years? A. $578 B. $778 C. $988 D. $1,588

  • one year ago
  • one year ago

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  1. katlin95
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    @ninjawolfjj

    • one year ago
  2. katlin95
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    @e.cociuba

    • one year ago
  3. jim_thompson5910
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    A = P(1 - r)^t A = 1900(1 - 0.2)^4 A = ???

    • one year ago
  4. katlin95
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    778.24

    • one year ago
  5. jim_thompson5910
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    so it's B

    • one year ago
  6. katlin95
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    How much will $600 amount to be if it is invested at 10% interest compounded semiannually (two times a year) for 4 years? A. $886.47 B. $952.40 C. $1063.20 D. $1168.17

    • one year ago
  7. jim_thompson5910
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    A = P(1+r/n)^(n*t) plug in P = 600 r = 0.10 n = 2 t = 4

    • one year ago
  8. katlin95
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    one sec about to solve it

    • one year ago
  9. jim_thompson5910
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    k

    • one year ago
  10. katlin95
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    886

    • one year ago
  11. katlin95
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    If the current value of a property is $20,000 and its value is increasing at 8% per year. Find the expression for the value after t years. A. $20,000(1.08)t B. $20,000(1.8)t C. $20,000(0.92)t D. $20,000(1.18)t

    • one year ago
  12. jim_thompson5910
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    886 is close, it should be 886.47, but you got the idea

    • one year ago
  13. jim_thompson5910
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    for this last one, you got ???

    • one year ago
  14. katlin95
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    yep I knew that I new it was a lol

    • one year ago
  15. katlin95
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    for last one I got C

    • one year ago
  16. jim_thompson5910
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    1+r = 1+0.08 = 1.08, so it should be A

    • one year ago
  17. jim_thompson5910
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    you would do 1-r = 1-0.8 = 0.92 if it were decreasing, but it's INCREASING

    • one year ago
  18. katlin95
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    okay last one: Which of the following functions increases, going upwards from left to right on a graph? A. y = 2(1/3)x B. y = -2(3)x C. y = 2x + 6 D. y = 3(1/2)x

    • one year ago
  19. jim_thompson5910
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    you tell me

    • one year ago
  20. katlin95
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    d

    • one year ago
  21. jim_thompson5910
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    nope, this is a decreasing exponential function

    • one year ago
  22. katlin95
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    B

    • one year ago
  23. jim_thompson5910
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    if it were positive, then it would be increasing

    • one year ago
  24. katlin95
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    yep so that would make it B, because its a negative right

    • one year ago
  25. jim_thompson5910
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    it can't be B because B is decreasing

    • one year ago
  26. jim_thompson5910
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    if B was positive (it's not), then it would be increasing

    • one year ago
  27. katlin95
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    oh okay, then it must be A

    • one year ago
  28. jim_thompson5910
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    A isn't it for the same reason as D

    • one year ago
  29. jim_thompson5910
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    so you can probably guess what it must be lol

    • one year ago
  30. katlin95
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    c lol:)

    • one year ago
  31. jim_thompson5910
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    yep

    • one year ago
  32. katlin95
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    @jim_thompson5910 can you help me with this assignment, im very confused.

    • one year ago
  33. jim_thompson5910
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    sry don't have enough time to do the whole thing

    • one year ago
  34. katlin95
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    could u possibly tomorrow:)?

    • one year ago
  35. jim_thompson5910
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    i might have more time tomorrow

    • one year ago
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