There were approximately 6.92 million unemployed workers in the United States. The circle graph shows the age profile of these unemployed workers. Estimate the number of unemployed workers in the 16-19 age group. (Round your answer to two decimal places.)
?
?
A. 2.97 million
B. 4.97 million
C. 1.97 million
D. 0.97 million
E. 3.97 million
Answer: D
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State the dual problem. Use y1, y2, and y3 as the variables. Given: y1 ? 0, y2 ? 0, and y3
Minimizew = 6x1 + 3x2subject to:3x1 + 2x2 ? 22 2x1 + 5x2 ? 38 x1 ? 0, x2 ? 0
A.
| Maximize | z = 22y1 + 38y2 |
| subject to: | 3y1 + 2y2 ? 6 |
B.
| Maximize | z = 22y1 + 38y2 |
| subject to: | 3y1 + 2y2 ? 6 |
C.
| Maximize | z = 38y1 + 22y2 |
| subject to: | 2y1 + 3y2 ? 6 |
D.
| Maximize | z = 38y1 + 22y2 |
| subject to: | 2y1 + 3y2 ? 6 |
Change the measurements on this scale drawing to decimals and round them to the nearest tenth of an inch. src="https://sciemce.com/media/4/ppg__tttt0623190900__f1q52g6.jpg" style="vertical-align: -17.0px;" /> in. length d is:
A. 0.1 in.
B. 0.2 in.
C. 0.4 in.
D. 0.3 in.
a 4
in. b 
in. c 
in. d 
in. e 2
Find the derivative of the function at the given value of x.f(x) = -7x + 11; x = 6
A. -7 B. 11 C. 66 D. -42
Evaluate the expression using the given values.
- 2v2 ; u = 50, v = 2
A. 2 B. 1 C. 4 D. -1