ACSI 2013 Y3 Core Mathematics Paper 1 Answer
Uploaded by skibidi Β· 6 September 2024
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2013 Paper 1 Answers 1a) 0.5π¦ + (π¦ β 4)(1.2) < 40 1b) 26 2ai) π = 5π¦2+3 1βπ¦2 2aii) β6 2b) 2π₯ 3a) 15 3bi) sin πΆπ΅π· = 1 β10 3bii) sin πΆπ΅π· = β 1 β10 4a) 90 4b) 115 4c) β 47 70 5a) 258 π₯ 5b) (π₯ β 3)( 258 π₯ + 3) 5c) π₯2 β 37π₯ β 258 = 0 5d) 9 6a) β = 16 β 2π₯ 6b) 32π₯(16 β 2π₯) 6c) 1024 7) 1.5 8a) cos π΄ = β β21 5 8b) β 15 4 β 19 4 β3 9a) -1.5 9b) π₯ = 3, π¦ = β15 or π₯ = β11, π¦ = β1 10a) π < 0 or π > 4 10b) π > 2 11a) π¦ = β 1 2 π₯ + 9 11b) π¦ = β 1 2 π₯ β 1 11c) (β4, 1) 11d) π¦ = 2π₯ + 11.5 12) 1.31 13)
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