Solve the problem. Where appropriate, round to the nearest tenth of a percent.The graph below shows the number of internet host sites for five consecutive years. Find the percent increase in host sites from 2008 to 2009. Round to the nearest percent.
20082009201020112012Year
A. 0.8200%
B. 1.0200%
C. 102%
D. 82%
Answer: D
Mathematics
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Answer the question.For the equation 
+ 
= 
, would any numbers have to be rejected if they appeared as potential solutions? Explain.
What will be an ideal response?
Mathematics
Divide.
÷ 
A. - 
B. 
C. 
D. 
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. 7
+ 8
B. 6
- 4
C. 6
- 8
D. 5
- 4
Mathematics
State the dual of the linear programming problem.Maximize4x1?+ 6x2subject tox1?+ 2x2? 117x1?+ 6x2? 50and x1 ? 0, x2 ? 0
A.
| Minimize | 11y1? | + | 50y2 |
| subject to | y1? | + | 2y2? | ? 4 |
| 7y1? | + | 6y2? | ? 6 |
B.
| Minimize | 11y1? | + 50y2 |
| subject to | y1? | + 7y2 | ? 4 |
| 2y1? | + 6y2 | ? 6 |
C.
| Minimize | 11y1? | + 50y2 |
| subject to | y1? | + 7y2 | ? 4 |
| 2y1? | + 6y2 | ? 6 |
D.
| Minimize | 4y1? | + | 6y2 |
| subject to | y1? | + | 7y2? | ? | 11 |
| 2y1? | + | 6y2? | ? | 50 |
Mathematics