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4. It is estimated that as of 2015, the total amount of plastic waste generated on Earth was about 6300 million tonnes. Below is some detailed data from 1980 to 2015 indicating the total plastic waste generated, the amount of this plastic waste that has been sent to landfill, as well as the amount of this plastic waste that has been recycled. Note that these values are cumulative totals. 9000 total plastic waste generated plastic waste to landfill plastic waste recycled 8000- 7000- 6000 5000 4000 3000 2000 1000 10 20 30 40 50 Years since 1980 (a) Develop a linear model for the total amount W of plastic waste generated (in millions of tonnes) as a function of time t (years since 1980). Plastic waste (million tonnes) ► ■♦

4. It is estimated that as of 2015, the total amount of plastic waste generated on Earth was about 6300 million tonnes. Below is some detailed data from 1980 to 2015 indicating the total plastic waste generated, the amount of this plastic waste that has been sent to landfill, as well as the amount of this plastic waste that has been recycled. Note that these values are cumulative totals. 9000 total plastic waste generated plastic waste to landfill plastic waste recycled 8000- 7000- 6000 5000 4000 3000 2000 1000 10 20 30 40 50 Years since 1980 (a) Develop a linear model for the total amount W of plastic waste generated (in millions of tonnes) as a function of time t (years since 1980). Plastic waste (million tonnes) ► ■♦

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 24PPS
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Plastics which are no longer needed for current use end up being recycled, or incinerated, or discarded into landfills or the natural environment. According to the 2016- 17 Australian Plastics Recycling Survey, the term ‘recycling’ is used in the plastics industry “to cover a range of activities including collection, sorting, reprocessing, export for reprocessing and manufacture of new products.” In order to avoid double-counting materials, survey data is typically collected on the reprocessing stage, which is the stage where waste plastics are converted into a new product (may be finished or semi-finished).

(b) If a researcher were to use the model you developed in part (a), what assumption about the production of plastic waste are they making?
Transcribed Image Text:(b) If a researcher were to use the model you developed in part (a), what assumption about the production of plastic waste are they making?
4. It is estimated that as of 2015, the total amount of plastic waste generated on Earth was about 6300 million tonnes. Below is some detailed data from 1980 to 2015 indicating the total plastic waste generated, the amount of this plastic waste that has been sent to landfill, as well as the amount of this plastic waste that has been recycled. Note that these values are cumulative totals. 9000 total plastic waste generated plastic waste to landfill 8000 plastic waste recycled 7000 6000 5000 4000 3000 2000 1000 0 10 40 50 20 30 Years since 1980 (a) Develop a linear model for the total amount W of plastic waste generated (in millions of tonnes) as a function of time t (years since 1980). Plastic waste (million tonnes)
Transcribed Image Text:4. It is estimated that as of 2015, the total amount of plastic waste generated on Earth was about 6300 million tonnes. Below is some detailed data from 1980 to 2015 indicating the total plastic waste generated, the amount of this plastic waste that has been sent to landfill, as well as the amount of this plastic waste that has been recycled. Note that these values are cumulative totals. 9000 total plastic waste generated plastic waste to landfill 8000 plastic waste recycled 7000 6000 5000 4000 3000 2000 1000 0 10 40 50 20 30 Years since 1980 (a) Develop a linear model for the total amount W of plastic waste generated (in millions of tonnes) as a function of time t (years since 1980). Plastic waste (million tonnes)
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