Solve the problem.A field microphone used at a soccer game has a parabolic cross section and is 28 in. wide at the opening. The focus is 25 in. from the vertex. Find the depth of the microphone.
A. 1.96 in.
B. 7.84 in.
C. 31.36 in.
D. 0.87 in.
Answer: A
Mathematics
You might also like to view...
Write the fraction as a decimal. Round to the nearest thousandth if necessary.
A. 5 B. 0.05 C. 2 D. 0.5
Mathematics
Graph the values of x that satisfy the given conditions.0 ? x and x < 2
A. 
B. 
C. 
D. 
Mathematics
Solve.4 ? x = 32
A. 8 B. 32 C. 7 D. 128
Mathematics
Translate the matrix equations into a system of linear equations.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics