Find the power of i.i19
A. -1
B. -i
C. 1
D. i
Answer: B
Mathematics
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Use multiplication to check the answer. If an answer is incorrect, find the correct answer.
A. Correct B. Incorrect; should be 42 C. Incorrect; should be 42 R6 D. Incorrect; should be 41 R7
Mathematics
Solve the problem.One rope pulls a barge directly east with a force of 50 N, and another rope pulls the barge directly north with a force of 46 N. Find the magnitude of the resultant force acting on the barge.
A. 4 N B. 96 N C. 2300 N D. 68 N
Mathematics
Estimate the sum or difference by rounding.5.82 - 4.41
A. 1 B. 2 C. 0 D. 10
Mathematics
Multiply.(3s - 5t)(3s + 5t)
A. 9s2 + 25t2 B. 9s2 + 30st - 25t2 C. 9s2 - 30st - 25t2 D. 9s2 - 25t2
Mathematics