1.1 Definisies van enkele wiskundige konsepte word in TABEL 1 hieronder gegee - NSC Mathematical Literacy - Question 1 - 2017 - Paper 1
Question 1
1.1 Definisies van enkele wiskundige konsepte word in TABEL 1 hieronder gegee.
TABEL 1: DEFINISIES VAN ENKELE WISKUNDIGE KONSEPTE
LETTER | DEFINISIES
A | Middelwaa... show full transcript
Worked Solution & Example Answer:1.1 Definisies van enkele wiskundige konsepte word in TABEL 1 hieronder gegee - NSC Mathematical Literacy - Question 1 - 2017 - Paper 1
Step 1
1.1.1 Wins
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Die wins kan bereken word met die formule:
extWins=extVerkoopprys−extKoste
Hier, die verkoopprys is R18 700 en die koste is R14 960:
extWins=R18700−R14960=R3740
Step 2
1.1.2 Gemiddeld
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Die gemiddelde word bereken deur die som van al die waardes te neem en dit te deel deur die aantal waardes. Dit sal die letter D wees.
Step 3
1.1.3 Radialeing
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Die letter C verteenwoordig die radialeing, wat die afstand vanaf die middelpunt van 'n sirkel na die omtrek van die sirkel is.
Step 4
1.2.1 Bereken die wins wat die winkel op hierdie een-ons-goudmuntstuk gemaak het.
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Die wins op die een-ons-goudmuntstuk is R3 740.
Step 5
1.2.2 Skryf die presiese tyd neer neer toe dit verkoop is.
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Die presiese tyd van verkoop was 16:05.
Step 6
1.2.3 Die middellyn van ‘n een-ons-goudmuntstuk is 32,8 mm.
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Bereken die radius as helfte van die middellyn:
ext{Radius} = rac{32,8 ext{ mm}}{2} = 16,4 ext{ mm}.
Step 7
1.3(a) Bereken die lengte van die radius van die muntstuk.
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Die radius van die muntstuk is 32,8 mm / 2 = 16,4 mm.
Step 8
1.3(b) Bepaal die kortste afstand (D) tussen die rand van die muntstuk en die kant van die vierkantige boksie.
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Die kortste afstand D kan bereken word as:
D=71,8extmm−32,8extmm=39,0extmm.
Step 9
1.4.1 Rangskik die gemiddelde maandelikse reënval vir Durban in stygende volgorde.
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Die gemiddelde maandelikse reënval vir Durban in stygende volgorde is: 17 mm, 60 mm, 39 mm, 120 mm, 126 mm, 137 mm, 142 mm.
Step 10
1.4.2 In watter maand ontvang Kimberley die laagste gemiddelde maandelikse reënval?
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Kimberley ontvang die laagste gemiddelde maandelikse reënval in April met 60 mm.
Step 11
1.4.3 Watter maand het Kimberley 'n hoër gemiddelde reënval gehad?
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Kimberley het 'n hoër gemiddelde reënval gehad in Januarie en Februarie.
Step 12
1.4.4 Watter maand(e) die Mei of Julie.
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Die maand(e) is: Julie het 'n gemiddelde reënval van 38 mm, wat hoër is as Mei se 60 mm.