Solve the formula for the specified letter.I =   for k

A. k =  
B. k = IR - E
C. k =  
D. k = IRE


Answer: A

Mathematics

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Solve the problem.One rope pulls a barge directly east with a force of 41 newtons, and another rope pulls the barge directly north with a force of 89 newtons. Find the magnitude of the resultant force acting on the barge. Round to the nearest Newton.

A. 48 N B. 3649 N C. 130 N D. 98 N

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Decide whether the relation is a function.{(-3, 4), (-1, 7), (1, -9), (1, -1)}

A. function B. not a function

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Solve the equation by completing the square.x2 - 8x - 7 = 0

A. {8 - , 8 + }
B. {4 -  , 4 + }
C. {-4 -  , -4 + }
D. {4 -  , 4 + }

Mathematics

Identify the intercepts.

A. (-2, 0), (0, -4) B. (2, 0), (0, -4) C. (2, 0), (0, 4) D. (-4, 0), (0, 4)

Mathematics