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
Mathematics, 21.06.2019 16:00, ljcervantes4824
Successful implementation of a new system is based on three independent modules. module 1 works properly with probability 0.96. for modules 2 and 3, these probabilities equal 0.95 and 0.90. compute the probability that at least one of these three modules fails to work properly.
Answers: 2
Mathematics, 21.06.2019 19:30, ginocousins06
Fa bus driver leaves her first stop by 7: 00 a. m., her route will take less than 37 minutes. if she leaves after 7: 00 a. m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?
Answers: 3
Mathematics, 21.06.2019 21:30, spooderfaxy7813
Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.
Answers: 1
One student did an experiment with sand, gravel, food coloring and water. the steps of the experimen...
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