Simplify. Be sure to rationalize all denominators. Assume that all variables represent positive real numbers.
A. 
B. 
C. 2x3
D. 
Answer: B
Mathematics
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Write an algebraic expression, using x as the variable.A number divided by 5
A. x - 5
B. 5x
C. 
D. 
Mathematics
Factor using the formula for the sum or difference of two cubes.27x3 - 1
A. (3x - 1)(9x2 + 3x + 1) B. (3x + 1)(9x2 - 3x + 1) C. (3x - 1)(9x2 + 1) D. prime
Mathematics
Solve the equation by the quadratic formula.6n2 - 3n = 
A. 
B. 
C. 
D. 
Mathematics
The point with coordinates x = –1 and y = 19 lies in the first quadrant.
Answer the following statement true (T) or false (F)
Mathematics