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1.     Emily filled an empty horse trough with water. The water level, in centimeters, is proportional to time elapsed, in minutes, since she began filling the trough. The graph shows this relationship.

(a)   What rate does the point 8,28  represent? Explain.

(b)   What is the unit rate for the situation in terms of centimeters/minute? Explain.

(c)   Explain how the points 8,28 and 6,21 show that the water level varies directly with the time elapsed.

1 Emily filled an empty horse trough with water The water level in centimeters is proportional to time elapsed in minutes since she began filling the trough The class=

Respuesta :

MissPhiladelphia
(a) The rate that the point 8,28 represents is 3.5 cm/s since 28/8 = 3.5
(b) The unit rate is 3.5 cm/s since the rate is constant.
(c) The two points lie on the same line and that both points results to a rate of 3.5 cm/s.

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