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Graad 12 Wiskunde Geletterdheid Notas- Meeting, Finansies, Datahanteering. R55,00
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Graad 12 Wiskunde Geletterdheid Notas- Meeting, Finansies, Datahanteering.
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Meting en Omskakelings Meting - Hantering van Tydroosters en Getyroosters 1. Reistydroosters 2. Roetekaart 3. Tariefrooster 4. Getyrooster Finansies - Tariefstelsels en Gelykbreekontleding Finansies - Inkomste-en-Uitgawe-State en Begrotings 1. Begroting 2. Inkomste-en-Uitgawe-State Finans...

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  • August 19, 2024
  • 11
  • 2024/2025
  • Class notes
  • Samantha
  • All classes

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, 2. Berekende area-tot-
1. Berekende volume-tot-
vloeistofvolume-omskakelings
vloeistofvolume-omskakelings
• Volume word dikwels in liter uitgedruk. • Area word in vierkante eenhede bereken
• By berekening van volume word kubieke (cm², mm², m²).
eenhede gebruik (cm³, mm³, m³). • Om die volume verf of ander vloeistof te
bereken wat nodig is om 'n oppervlak te
• Omskakelings tussen Hierdie bedek, word 'n spreidingskoers gebruik
eenhede: sal ALTYD (bv. 7 m² per liter).
 1 cm³ = 1 ml in die
eksamen • Die spreidingskoers hang af van:
 1 ℓ = 1 000 ml
gewys  Die tipe en dikte van die verf (of
 1 m³ = 1 000 ℓ ander vloeistof)
word.
 Die tekstuur (grofheid) van die
oppervlak. (opv)
Die houer hier onder is rofweg in die vorm van  Hoe absorberend die oppervlak is.
’n reghoekige boks. Dus is die volume = l × b × h =
20 cm × 20 cm × 5 cm = 2 000 cm3
*Sketse nie op skaal nie

n Onkruiddoder dui aan dat dit 60 ml
1cm³= 1 ml 5cm konsentraat vir 100 m2 grondoppervlak vereis.
Watter volume onkruiddoder word vereis om die
2000cm³=? area langsaan te behandel?
1 000 ml = 1 ℓ Area = lengte × breedte
Strikdas metode = 20 m x 12 m
Maal
2000cm³ =? ml X = 240 m²
Deel ÷
1cm³ =1 ml Strikdas metode

2000𝑐𝑚³ × 1𝑚𝑙 Ons weet dat 60 ml konsentraat vir 100m²
= vereis. Hoeveel ml sal 240 m² vereis?
1𝑐𝑚3
2000𝑐𝑚3 60 𝑚𝑙 = 100 𝑚2
? 𝑚𝑙 =
1𝑐𝑚3
= 2000𝑚𝑙 ? 𝑚𝑙 = 240 𝑚²
= 2000𝑚𝑙 ÷ 1000𝑚𝑙
= 2𝑙 60 𝑚𝑙 × 240 𝑚²
? 𝑚𝑙 =
Die volume van die boks is 2 L. 100 𝑚²

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