Find a. If necessary, round your answer to the nearest hundredth.
A. 9.7
B. 6.66
C. 6.9
D. 18.73
Answer: D
Mathematics
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Find the flux of the curl of field F through the shell S.F = (4y + 3)i - 2xj + (ez - 2)k; S: r(r, ?) = 4 sin ? cos ?i + 4 sin ? sin ?j + 4 cos ?k, 0 ? ? ? 2? and 0 ? ? ? 
A. 192 B. 96? C. -192? D. -96?
Mathematics
Simplify the trigonometric expression by following the indicated direction.Rewrite over a common denominator: 
+ 
What will be an ideal response?
Mathematics
Solve the equation by first clearing the decimals.0.86x + 0.9(18 - x) = 15.84
A. {9} B. {-9} C. {0.09} D. {-0.09}
Mathematics
Let (m × n) denote a matrix of size m × n. Find the size of the following product, or state that the product is not defined.(4 × 3)(4 × 3)
A. 4 × 3 B. not defined C. 4 × 4 D. 3 × 4
Mathematics