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Die sirkeldiagram hieronder toon die totale herwinning en komposbereiding van materiaal vir 2015 - English General - NSC Mathematical Literacy - Question 5 - 2019 - Paper 1

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Die sirkeldiagram hieronder toon die totale herwinning en komposbereiding van materiaal vir 2015. TOTALE HERWINNING EN KOMPOSBEREDING VAN MATERIAALTYPES VIR 2015 (9... show full transcript

Worked Solution & Example Answer:Die sirkeldiagram hieronder toon die totale herwinning en komposbereiding van materiaal vir 2015 - English General - NSC Mathematical Literacy - Question 5 - 2019 - Paper 1

Step 1

Skryf EEN moontlike data-insamelingsmetode neer wat gebruik is om die data hierbo in te samel.

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Answer

Een moontlike data-insamelingsmetode is om vraelyste te gebruik. Vraelyste kan 'n effektiewe manier wees om inligting oor die herwinning van verskillende materiaalsoorte te versamel.

Step 2

Bereken die persentasie wat vir werfsoniels toegeken is.

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Answer

Die totale hoeveelheid materiaal is 91,16 miljoen ton. Die werfsoniels maak 3,4 ext{ %} van die totale hoeveelheid uit. Om die persentasie te bereken, gebruik ons die formule:

ext{Persentasie} = rac{ ext{hoeveelheid werfsoniels}}{ ext{totale hoeveelheid}} imes 100

Daarom is: rac{3.4}{91.16} imes 100 = 3.73 ext{ %}

Step 3

Bepaal die persentasie wat vir tekstiele toegeken is.

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Answer

Vir tekstiele is die persentasie 11,2 ext{ %}. Dit kan bereken word deur die berekening van die spesifieke hoeveelheid tekstiele teen die totale hoeveelheid te plaas, wat soos volg is:

ext{Persentasie} = rac{11.2}{91.16} imes 100 = 12.27 ext{ %}

Step 4

Bereken (in ton) die totale hoeveelheid plastiek wat in 2015 herwin is.

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Answer

Die plastiek materiaal maak 49,7 ext{ %} uit van die totale 91,16 miljoen ton. Die berekening is:

ext{Totale plastiek} = 91.16 imes rac{49.7}{100} = 45.24 ext{ miljoen ton}

Step 5

Gee EEN moontlike voorbeeld van 'n produk wat onder die metale-kategorie herwin kon word.

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Answer

Enige produk wat metaal bevat, soos blikkies of motoronderdele, kan as 'n voorbeeld gegee word van 'n produk wat herwin kan word.

Step 6

Noem 'n ander tipe grafiek wat gebruik kan word om die data hierbo voor te stel.

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Answer

Ewe 'n gestapelde staafgrafiek kan gebruik word om die data van die verskillende materiaalsoorte visueel voor te stel.

Step 7

Bepaal, as 'n dasmal, die waarskynlikheid om willekeurige materiaal in die 'ander' kategorie te kies wat NIE tekstiele is NIE.

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Answer

Die waarskynlikheid om 'n item uit die 'ander' kategorie te kies is:

ext{Waarskynlikheid} = rac{ ext{Aantal in 'ander' kategorie}}{ ext{Totale aantal materiaal}} = rac{11.2}{91.16} = 0.123

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