Write out the sum.

A.
B.  + 2 +  + ... + 
C. 4 + 32 + 108 + ... + 
D. 1 + 2 + 3 + ... + n


Answer: B

Mathematics

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Find the flux of the vector field F across the surface S in the indicated direction.F = k ; S is the upper hemisphere of x2 + y2 + z2 = 9; direction is outward

A.
B. - ?
C. ?
D. - 

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Which property is represented?4 + 3 = 3 + 4

A. Multiplication Identity B. Associative Property of Addition C. Addition Identity D. Commutative Property of Addition

Mathematics

Solve the system of equations.

A. (9, 4, 5) B. (9, 5, 4) C. (-9, 5, 18) D. No solution

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Find the degree measure to two decimal places.

Mathematics