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12. Polluted water flows into a pond. The concentration of pollutant, A in the pond at time t minutes is modelled by the equation c(t) = 9 - 90 000 kilograms per C, where c is measured in 10 000 +3t) cubic metre. a) When will the concentration of pollutant in the pond reach 6 kg/m? b) What will happen to the concentration of pollutant over time?

12. Polluted water flows into a pond. The concentration of pollutant, A in the pond at time t minutes is modelled by the equation c(t) = 9 - 90 000 kilograms per C, where c is measured in 10 000 +3t) cubic metre. a) When will the concentration of pollutant in the pond reach 6 kg/m? b) What will happen to the concentration of pollutant over time?

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Please answer question and just send me the paper solutions asap dont type the answer question 12ab ASAP
1 of 1 the comic books to her brother and then sold the rest on an Internet website for $330, making a profit of $1.50 on comic books were in the box? What was the original price of each comic book? each one. How many 12. Polluted water flows into a pond. The concentration of pollutant, A c, in the pond at time t minutes is modelled by the equation c(t) = 9 - 90 000 kilograms per 1 where c is measured in 10 000 +3r/ cubic metre. a) When will the concentration of pollutant in the pond reach 6 kg/m? b) What will happen to the concentration of pollutant over time? 13. Three employees work at a shipping warehouse. Tom can fill an order in I s minutes. Paco can fill an order in s in s+ 1 minutes. When Tom and Paco work together, they take about 1 minute and 20 seconds to fill an order. When Paco and Carl work together, they take about 1 minute and 30 seconds to fill an order. 2 minutes. Carl can fill an order
Transcribed Image Text:1 of 1 the comic books to her brother and then sold the rest on an Internet website for $330, making a profit of $1.50 on comic books were in the box? What was the original price of each comic book? each one. How many 12. Polluted water flows into a pond. The concentration of pollutant, A c, in the pond at time t minutes is modelled by the equation c(t) = 9 - 90 000 kilograms per 1 where c is measured in 10 000 +3r/ cubic metre. a) When will the concentration of pollutant in the pond reach 6 kg/m? b) What will happen to the concentration of pollutant over time? 13. Three employees work at a shipping warehouse. Tom can fill an order in I s minutes. Paco can fill an order in s in s+ 1 minutes. When Tom and Paco work together, they take about 1 minute and 20 seconds to fill an order. When Paco and Carl work together, they take about 1 minute and 30 seconds to fill an order. 2 minutes. Carl can fill an order
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