Find the real solutions, if any, of the equation. Use the quadratic formula.9x2 - 36x + 36 = 0
A. 
B. no real solution
C. 
D. 
Answer: D
Mathematics
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Find Dxy.y = 
+ 5 sec x
A. - 
+ 5 tan2x
B. 
- 5 sec x tan x
C. - 
+ 5 sec x tan x
D. - 
- 5 csc x
Mathematics
Subtract.-7 - (-7)
A. -14 B. -7 C. 14 D. 0
Mathematics
Find the amplitude, period and mid-line. Also, find the maximum and minimum.
y = 2cos (2? t ) + 3 4
Mathematics
Solve using matrices.Jerry has three pieces of string. The total length of the three pieces is 82 inches. The sum of the two longer pieces is 71. The middle piece is twice as long as the shortest piece. What are the lengths of the three pieces?
A. 11 in., 49 in., 59 in. B. 11 in., 22 in., 49 in. C. 5.5 in., 11 in., 65.5 in. D. No solution
Mathematics