Determine whether the given value is a solution to the given equation.Is 21.9 a solution of 8x = 17.52?
A. No
B. Yes
Answer: A
Mathematics
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Find the mean. If necessary, round to one decimal place.15, 10, 4, 9, 4, 4, 5
A. 8.5 B. 6.8 C. 8.8 D. 7.3
Mathematics
Transform the equation to a form without an xy-term by a rotation of axes. Graph the curve.x2 + xy + y2 - 3y - 6 = 0
A. 
B. 
C. 
D. 
Mathematics
Evaluate the radical expression if it is a real number. Use a calculator to approximate irrational numbers to the nearest hundredth. If the expression is not a real number, so state.-
A. -2 B. -32 C. 2 D. not a real number
Mathematics
Solve the equation.x2 = 4x
A. x = 0, x = -4 B. x = 4 C. x = -4 D. x = 0, x = 4
Mathematics