Mathematics, 23.08.2019 08:20 littlebirdd987
One student did an experiment with sand, gravel, food coloring and water. the steps of the experiment are shown below. fill about half of a plastic cup with layers of gravel and sand. pour water into the cup and observe it seep through the layers. add two drops of food coloring on one side of the gravel layer. observe the food coloring mix with the water. what does the student's experiment most likely demonstrate? movement of groundwater through sinkholes movement of pollutants through the groundwater chemical reaction between acid rain and groundwater chemical reaction between groundwater and layers of earth
Answers: 1
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What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer
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Mathematics, 21.06.2019 20:00
The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?
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In triangle abc, angle c is a right angle. find the value of the trig function indicated. find tan a if c = 17 and a = 8
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Mathematics, 22.06.2019 06:10
The life, in years, of a certain type of electrical switch has an exponential distribution with an average life b = 2. if 100 of these switches are installed in dif- ferent systems, what is the probability that at most 30 fail during the first year?
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One student did an experiment with sand, gravel, food coloring and water. the steps of the experimen...
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