Solve the problem.A bridge is built in the shape of a semielliptical arch. It has a span of 92 feet. The height of the arch 25 feet from the center is to be 7 feet. Find the height of the arch at its center.
A. 7.27 feet
B. 25.29 feet
C. 12.88 feet
D. 8.34 feet
Answer: D
You might also like to view...
Solve the problem.Find the slope of the tangent to the curve of the intersection of the cylinder 
and the plane y = -9 at the point 
A. 2
B. - 
C. 
D. 0
Solve the problem.Let D be the smaller cap cut from a solid ball of radius 7 units by a plane 2 units from the center of the sphere. Set up the triple integral for the volume of D in rectangular coordinates.
A. 
B. 
C. 
D. 
The box plots represent a comparison of the annual salaries of a group of public and private employees
Which of the following represents the five number summary for the salaries of the public employees?
A. Min = $40,000, Q1 = $48,000, Q2 = $60,000, Q3 = $72,000, Max = $80,000 B. Min = $20,000, Q1 = $40,000, Q2 = $60,000, Q3 = $66,000, Max = $82,000 C. Min = $20,000, Q1 = $40,000, Q2 = $60,000, Q3 = $72,000, Max = $84,000 D. Min = $48,000, Q1 = $60,000, Q2 = $76,000, Q3 = $80,000, Max = $100,000 E. none of these
Solve the system of equations using the inverse of the coefficient matrix.
A. x = -9, y = 5, z = 18 B. x = 9, y = 4, z = 5 C. x = 9, y = 5, z = 4 D. The system is inconsistent.