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Mathematics and Mathematical Literacy - Thutong

Mathematics and Mathematical Literacy - Thutong

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<strong>Mathematics</strong>(NSC)/Grade 10/ P2 83 ExemplarMEMORANDUM3.2.2yy = x6.1AB for each of the 3 anglesA'(0; -3) for titlekey/ correct labeling 56.2 2,311,409 ÷ 21,398,007 × 360°(-4; -4) C′B'(-1; -5)= 39,22°26.3 269× 21 398 0074.1 Vol Type B = 2 × Vol Type A 2≈ 4 755 112 4.2 Vol Type C = 4 × Vol Type A 2This is approximately the number of users in4.3 He must make the height four time as high.the South American region. 2 2 6.4.1 40 000words 14.3 SA = 2(5×5) + 20 × 11 6.4.2 The 4 th group (12000 to 16000 words) is the= 270 cm² 3modal group as it has the highest frequency.5.1tan 3° = h2.9 16.4.3 150 data values∴ h = 2.9×tan 3° ∴ median is the 75,5 th value ∴ h = 0,15m 44+9+23+36 = 725.2sin θ = 1.4This lies in the 5 th class 22.8 6.4.4 Estimated mean= (4×2 000 + 9×6 000 + 23×10 000 + 36×14θ = 30° 4000 + 28×18 000 + 17×22 000 + 14×26 0005.32 2Third side = 2,8− 1,4 (pythag) + 11×30 000 + 6×34 000 + 2×38 000) ÷ 150= 2,43m The roof is symmetrical ∴= 2 648 000 ÷ 150 width = 2 ×2,43= 1 7653 words 5width of house is 4,86m 35.4tan 15° = h2.9 ∴ h = 2.9×tan 15°∴ h = 0,78m Impact: 0,78m ÷ 0,15m = 5,18h becomes about 5,2 times larger. 4Copyright reserved

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