Write the complex number in rectangular form.10 cis 135°
A. -5
+ 5i
B. 10
- 5i
C. 10
+ 5i
D. 5
- 5i
Answer: A
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Provide an appropriate response.Explain why 
= 5.
What will be an ideal response?
Graph the ellipse.4(x - 1)2 + 9(y - 2)2 = 36
A. 
B. 
C. 
D. 
Solve and check.
+ 
= 
A. x = 28 B. x = -28 C. x = 4 D. x = 3
A manufacturer produces two models of elliptical cross-training exercise machines. The times for assembling, finishing, and packaging model X are 3 hours, 3 hours, and 0.8 hour, respectively. The times for model Y are 4 hours, 2.5 hours, and 0.4 hour. The total times available for assembling, finishing, and packaging are 6000 hours, 4200 hours, and 950 hours, respectively. The profits per unit are $200 for model X and $275 for model Y. What is the optimal production level for each model? What is the optimal profit? ?
A. 6000 units of model X950 units of model YOptimal profit: $1,461,250 B. 950 units of model X6000 units of model YOptimal profit: $1,840,000 C. 400 units of model X1200 units of model YOptimal profit: $410,000 D. 950 units of model X4200 units of model YOptimal profit: $1,345,000 E. 4200 units of model X950 units of model YOptimal profit: $1,101,250