Solve the problem.A cross-section of an irrigation canal is a parabola. If the surface of the water is 41 feet wide and the canal is 1 feet deep at the center, how deep is it 5 feet from the edge?
A. 0.6 ft
B. 0.2 ft
C. 0.8 ft
D. 0.4 ft
Answer: D
Mathematics
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Provide an appropriate response.For the graph of y = f(x) = x2 - 4, (a) Determine the intercepts.(b)Determine whether the graph is symmetric about the x-axis, y-axis, the origin, or the line y = x.(c)Sketch the graph. State (d) the domain and (e) the range of f.
What will be an ideal response?
Mathematics
Solve. If necessary, round to the nearest tenth.A flagpole casts a shadow of 35 feet. Nearby, a 10-foot tree casts a shadow of 9 feet. What is the height of the flagpole?
A. 38.9 ft B. 2.6 ft C. 3150 ft D. 31.5 ft
Mathematics
Find the dot product.
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__________
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find all solutions of the following equation in the interval [0, 2?).
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics