Multiply.20 ? (-0.4) ? 3 ? (-0.08)
A. -1.92
B. -19.2
C. 1.92
D. 19.2
Answer: C
Mathematics
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Calculate the flux of the field F across the closed plane curve C.F = (x+y)i + xyj; the curve C is the closed counterclockwise path around the rectangle with vertices at 
and 
A. 
B. 
C. - 
D. 30
Mathematics
Find the average value of the function
?
?
over the indicated interval 
.
?
A. 2
B. 
C. 0
Mathematics
Answer the question or complete the sentence to make a true statement.Under what condition will the sum of a positive number and a negative number be negative?
What will be an ideal response?
Mathematics
The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, ?).x2 + y2 - 4x = 0
A. r = 4 cos ? B. r cos2 ? = 4 sin ? C. r sin2 ? = 4 cos ? D. r = 4 sin ?
Mathematics