Multiply and simplify.
? 
A. 1
B. 
C. -1
D. 0
Answer: A
Mathematics
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Calculate the flux of the field F across the closed plane curve C.F = e4xi + e2yj; the curve C is the closed counterclockwise path around the triangle with vertices at 
(4, 0), and (0, 2)
A. 0
B. 
e16(1 - e-16) + 1(e4 - 1) - 6
C. 
e16(1 - e-4) + 1(e4 - 1) + 6
D. 
e16( e-4 - 1) + 1(1 - e4) - 6
Mathematics
Find an equation of variation in which y varies directly as x and the following is true.y = 0.9, when x = 0.5
A. y = 
x
B. y = 
x
C. y = 
D. y = 0.9x
Mathematics
Find area of figure. Round to the nearest hundredth if necessary.
A. 190 m2 B. 380 m2 C. 58 m2 D. 29 m2
Mathematics
Convert to rectangular coordinates. Use exact values.
?
?
A. 
B. 
C. 
D. 
E. ?
Mathematics