Simplify the expression. Assume all variables represent positive real numbers.
A. 9
B. not a real number
C. -3
D. ±3
Answer: C
Mathematics
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A. Does not exist B. 2 C. 0 D. 4
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Solve the equation.5x = 625
A. {3} B. {4} C. {125} D. {5}
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Find the unknown value.50 is what percent of 40?
A. 125% B. 130% C. 80% D. 1.25%
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Solve the problem.A satellite in a circular orbit 822.8 mi above the earth makes one complete orbit every 85.44 min. What is its linear velocity? Use 3963 mi for the length of the radius of the earth.
A. 60.51 mi/min B. 351.9 mi/min C. 56.01 mi/min D. 408,900 mi/min
Mathematics