Mathematics - Algebra
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6.1
120.
Toxic pollutants. The annual cost in dollars for removing... ....
a) Use the accompanying graph to estimate the cost for
removing 90% and 95% of the toxic chemicals.
b) Use the formula to find C(99.5) and C(99.9).
c) What happens to the cost as the percentage of
pollutants removed approaches 100%?
6.2
82.
Driving marathon. Felix drove 800 miles in x hours onMonday........
a) Write a rational expression for his average speed.
b) On Tuesday he drove.............
6.4
Barn painting. Melanie can paint a certain barn by herself.....
6.6
68. Telephoto lens. Use the formula from Exercise 67 to find.......
6.7
30. Rise and run. If the rise......
50. The golden ratio. The ancient Greeks thought that the........
62. Bear population. To estimate the size of the bear........
6.8
36. Upstream, downstream. Junior's boat will go 15 miles per......
54. Big plane. A six-passenger plane cruises at 180 mph in.....
64. Filling a tank. A water tank has an inlet pipe and a drain ......
Please assist and show work so I can retain the info...
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