Use the square root property to solve the quadratic equation.y2 = 22
A. ±
B. 484
C. 
D. 11
Answer: A
Mathematics
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Illustration shows three circles traced out by a figure skater during her performance. If the centers of the circles are the given distances apart, find the radius of each circle.
?
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Solve the equation.4(7x - 7) - 6(-2 - 3x) = 40 + 47x
A. {-56} B. {-16} C. {-80} D. {24}
Mathematics
Eliminate the parameter to obtain a Cartesian equation of the curve.x = et, y = e-t, -? < t < ?
A. y = ex, -? < x < ? B. y = e-x, -? < x < ? C. y = e-ln x, 0 < x < ? D. y = eln x, 0 < x < ?
Mathematics
Solve the differential equation subject to the initial condition.x 
+ 7y = x2; y(2) = 12
A. y = 
+ 
B. y = 
+ 
C. y = 
+ 
D. y = 
+ 
Mathematics