Find the absolute value.|15|

A. -15
B. 30
C. 0
D. 15


Answer: D

Mathematics

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A. - 
B. - 
C. - 
D. - 

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Fill in the blank with the correct inequality symbol.If x < -10, then x + 10  0.

A. < B. ? C. ? D. >

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r1 = ?2 + 3.9i, r2 = ?2 ? 3.9i

Sketch trajectories of solutions of z? = Az given the eigenvalues and associated eigenvectors of A. Classify the origin and assess its stability.

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