Senior school and Me, Myself and Myself: homework help

i'm stuck on a maths question... >.<

A component for silicon wafer production bought for $61400 is designed for 24000 hours of operation, after which it will be written off with zero residual value.
Calculate:
a) the accumulated depreciation after the first 8000 hours of operation $20467
b) it's book value after 16000 hours $20467
c) the number of operating hours required for the machine to reach a book value of $400. 23844 hours

Random info

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8. Practice makes permanent not perfect.

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14. You know you’re addicted to the computer when you say “LOL” in a face-to-face conversation.

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20. Escapé

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22. RRRRRRRRRrrrrrrrrrrrrrrrrrrrrrrrrrr!!!!!!!!!!!!!!!!

23. The Hippopotamus is born underwater

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26. A kangaroo cannot jump if its tail is lifted off the ground unless adapted at a young age

27. A person’s nose and ears continue to grow throughout his or her life

28. A completely blind chameleon will still take on the colors of its environment

29. It is impossible to sneeze and keep one’s eyes open at the same time

30. 3! 2! 1! Make some noise! (“Hero’s come back” by Naruto)

31. Flamingos are not naturally pink

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37. My feet hurt

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41. I am the creator of random info! If you do not believe me, take a good look at me and start freaking out!

42. Honey is the only food that does not spoil

43. Your creator of random info is a multitalented freak which doesn't include sports

44. The life span of a taste bud is 10 days

45. American car horns beep in the tone of F. mm-hm… I can tell… =)

46. Karoke means "empty orchestra" in Japanese

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48. Stressed is Desserts spelled backwards

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53. There are 10 human body parts that are only 3 letters long (eye hip arm leg ear toe jaw rib lip gum)

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61. Rage… MAX DESU!!!

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64. ALAMAK! WHY IS IT LIKE THAT WAN?!

65. An ant can lift 50 times its own weight

66. The longest one syllable word in the English language is "screeched"

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68. The smell of a skunk can be detected by a human a mile away

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75. Bees can see ultraviolet light.

76. Intelligent people have more zinc and copper
in their hair

77. Mosquitoes are attracted to the color blue twice as much as to any other colour

78. 111,111,111 x 111,111,111 = 12,345,678,987,654,321

79. There are 10 million bricks in the empire state building

80. Ants stretch when they wake up. They also yawn like a human before starting the task of the day.

Monday, 29 October 2007

homework help

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