Solve the equation by the square root property. If possible, simplify radicals or rationalize denominators. Express imaginary solutions in the form
3x2 = 39
A. {19.5}
B. {±}
C. {14}
D. {±13}
Answer: B
Mathematics
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Translate the phrase to an algebraic expression.ten times the quantity x minus y
A. 10 + (x - y) B. 10x - y C. 10(x - y) D. 10 - (x - y)
Mathematics
Solve the problem.Two forces, of 67.5 N and 47.2 N, forming an angle of 122.6°, act at the origin. Find the magnitude of the resultant force.
A. 114.7 lb B. 101.1 lb C. 57.9 lb D. 2700 lb
Mathematics
Solve the equation.9x - 4x = -10
A. {- }
B. {2}
C. {}
D. {-2}
Mathematics
Graph the function.y = 2 cos x
A.
B.
C.
D.
Mathematics