Solve the problem. Round your answer to the nearest
tenth, if necessary.
27) Two pipes together can fill a large tank in 10 hr. One of the pipes,
alone, takes 15 hr longer than the other to fill the tank. How long
each pipe take to fill the tank alone?
28) A man rode a bicycle for 12 mi and then hiked an additional 8 mi.
total time for the trip was 5 hr. If his rate when he was riding a
was 10 mph faster than his rate walking, what was each rate?
Determine the direction the parabola opens, the
coordinates of the vertex and the axis of symmetry
for each of the following equations..
Use the vertex and a few other points to sketch the
graph of the parabola . Give the equation for
the parabola's axis of symmetry.
Axis of symmetry____________
33) Graph the following parabola. Label the coordinates of the vertex
draw in the axis of symmetry.
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