Find Dxy.y = csch 
A. 
csch 
coth 
B. -csch 
coth 
C. - 
csch 
coth 
D. csch 
coth 
Answer: C
Mathematics
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Mathematics
Solve the problem.Bathing suits are often on sale in July. The regular price of one suit is $28. With a 45% discount, what is the sale price of the suit?
A. $14.40 B. $16.40 C. $12.60 D. $15.40
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Solve the equation in the real number system.x4 - 3x3 + 5x2 - x - 10 = 0
A. {-1, 2} B. {-1, -2} C. {-2, 1} D. {1, 2}
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If one angle in a parallelogram is 135, then one of the other angles of the parallelogram is
(a) 135°. (b) 45°. (c) 55°. (d) Both (a) and (b) are correct. (e) Both (a) and (c) are correct.
Mathematics