Find the flux of the vector field F across the surface S in the indicated direction.F = xi + yj + z3k; S is portion of the cone z = 4
between z = 4 and z = 8; direction is outward
A. - 
B. - 
?
C. 
?
D. 
?
Answer: B
Mathematics
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Use a tree diagram showing all possible results when a die is rolled twice. List the ways of getting the following result.The sum of the numbers showing is either 3 or 4.
A. (2,1),(3,1),(2,2) B. (1,2),(1,3),(2,2) C. (1,2),(2,1),(1,3),(3,1),(2,2) D. (1,2),(2,2)
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Find the curvature of the curve r(t).r(t) = (3 + cos 7t - sin 7t)i + (9 + sin 7t + cos 7t)j + 2k
A. ? = 
B. ? = 
C. ? = 
D. ? = 
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Translate the phrase to an algebraic expression. Use n as the number unless otherwise indicated.a number to the fourth power
A. n4
B. n + 4
C. 4n
D. 
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Factor.2x2 - 2x - 12
A. 2(x - 2)(x + 3) B. (2x + 4)(x - 3) C. 2(x + 2)(x - 3) D. Prime
Mathematics