2cos2 t + 3cos t +1 = 0
Find all values of t that satisfy the equation.
Mathematics
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Solve the problem.Lookout station B is located 15 mi due east of station A. The bearing of a fire from A is S10°20'W and the bearing from B is S32°50'W. Determine the distance from the fire to B (to the nearest tenth of a mile).
A. 40.6 mi B. 19.3 mi C. 38.6 mi D. 21.3 mi
Mathematics
Simplify by factoring.
A. 35
B. 5
C. 13
D. 7
Mathematics
Sketch the graph of the ellipse.  figure 1.png)
 figure 2.png)
Mathematics
Complete the square and write the equation in standard form. Then give the center and radius of the circle.x2 + y2 - 12x - 10y = -12
A. (x - 6)2 + (y - 5)2 = 49 (6, 5), r = 7 B. (x - 6)2 + (y - 5)2 = 49 (-6, -5), r = 49 C. (x - 5)2 + (y - 6)2 = 49 (5, 6), r = 7 D. (x - 5)2 + (y - 6)2 = 49 (-5, -6), r = 49
Mathematics