Solve the problem.Mara can type 1160 words in 
hour (40 minutes). How many words per minute can she type?
A. 29 words/minute
B. 773 words/minute
C. 19 words/minute
D. 44 words/minute
Answer: A
Mathematics
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Find the curvature of the space curve.r(t) = 
(1 + t)3/2i +
(1 - t)3/2j + 
tk
A. ? = 
B. ? = 
C. ? = 
D. ? = 
Mathematics
Solve the problem.Suppose that z varies jointly with x and y and that z = 196 when x = 7 and 
Find the constant of proportionality k. Then, find z when x = 6 and 
A. k = 2; z = 36
B. k = 19,208; z = 
C. k = 0.2; z = 3.6
D. k = 4; z = 72
Mathematics
Find the reciprocal.
A. 
B. 
C. 
D. 
Mathematics
Prove that the equation is an identity.(sec2x - 1) ( sec2x + 1) = tan4x + 2 tan2x
What will be an ideal response?
Mathematics