Solve.5 ? z = 2,715

A. 541
B. 543
C. 539
D. 545

Answer: B

Mathematics

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Find f so that F = ?f. If the fuction is not conservative state so.F(x, y) = (-7e5y - yex)i + (6xe2y - ex)j

A. -7xe5y +  + C
B. -7xe5y -  + C
C. -7xe5y + -7ex + C
D. -7xe5y - yex + C

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Write the number in trigonometric form. Let 0 ? ? < 2?.7i

A. 7(cos 0 + i sin 0)
B. 7(cos  + i sin )
C. 7(cos ? + i sin ?)
D. 7(cos  + i sin )

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Solve the problem.Carlson has saved $656 at the bank. He wants to save $3,890 for a trip to California. What percent of his goal has been reached? Round to the nearest tenth when necessary.

A. 16.9% B. 5.9% C. 1.7% D. 59%

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What does the circuit symbol in the figure mean? ? ?

A. Battery B. NOR-gate C. AND-gate D. Light E. Switch

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Mathematics