Find the unknown number in the proportion. Round answer to the nearest hundredth when necessary.
= 
A. x = 19
B. x = 9.5
C. x = 0.03
D. x = 38
Answer: B
Mathematics
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Find the volume under the surface of the specified figure. z = x2 + y2; R = {(x, y): 0 ? x ? 4, -3 ? y ? 1}
A. 
B. 
C. 
D. 
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Find the transform of the given function by use of a table.f 
= 1 - cos 4t
A. F 
= 
B. F 
= 
C. F 
= 
D. F 
= 
Mathematics
Evaluate the expression.71
A. 7
B. 1
C. -7
D. 
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Find the length and direction (when defined) of u × v.u = 3i - 6i + 8k, v = 0
A. 
; 
(3i - 6i + 8k)
B. 0; 
(3i - 6i + 8k)
C. 0; 0
D. 0; 3i - 6i + 8k
Mathematics