Paper I Part A Q1 · 2 marks
Direct ProportionCost of five items from the cost of three
🔒 Answer & steps: try it free in Gedara Sir→9 ශ්රේණිය ගණිතය 2 වාර පරීක්ෂණය 2018 · පිළිතුරු සමඟ
North Western Province, Grade 9 Mathematics, term 2, 2018. All 30 questions, with what each one tests. Try any of them free in Gedara Sir to check your answer, with step-by-step working in English and Sinhala.
Cost of five items from the cost of three
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🔒 Answer & steps: try it free in Gedara Sir→Exterior angle of a triangle from given angles
🔒 Answer & steps: try it free in Gedara Sir→Result of a calculator key sequence using the clear-entry key
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🔒 Answer & steps: try it free in Gedara Sir→Construct a 60 degree angle at a point on a line
🔒 Answer & steps: try it free in Gedara Sir→Write Pythagoras' relation for a labelled right triangle
🔒 Answer & steps: try it free in Gedara Sir→Construct a triangle, two bisectors, and a circular locus about their meeting point
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🔒 Answer & steps: try it free in Gedara Sir→Table and graph of a linear function; second line, gradient, intercept, relationship
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🔒 Answer & steps: try it free in Gedara Sir→Angles with crossing lines and parallel sides; exterior angle relation; prove perpendicular
🔒 Answer & steps: try it free in Gedara Sir→Solve a bracketed linear equation and one with a fraction
🔒 Answer & steps: try it free in Gedara Sir→Solve a pair of simultaneous equations by elimination
🔒 Answer & steps: try it free in Gedara Sir→Cost, profit, profit percentage and selling price for a target profit
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