Solve the problem.A field microphone used at a soccer game has a parabolic cross section and is 22 inches wide at the opening. The focus is 9 inches from the vertex. Find the depth of the microphone.
A. 13.44 in.
B. 1.49 in.
C. 53.78 in.
D. 3.36 in.
Answer: D
Mathematics
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Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = (x2 + y2)i + (x - y)j; C is the rectangle with vertices at (0, 0), (7, 0), (7, 7), and (0, 7)
A. 0 B. 294 C. 392 D. -294
Mathematics
Insert <, >, or = between the pair of numbers to make a true statement.-(-5) _____ -(-29)
A. < B. = C. >
Mathematics
Subtract. Write the answer in lowest terms as a mixed number.
A. 5
B. 5
C. 6
D. 4
Mathematics
Determine whether the given ordered pair is a solution of the system.(-5, -5)4x = 15 - y3x = -5 - 4y
A. not a solution B. solution
Mathematics