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0:10:30

Equations of a line

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Example on vectorial equations

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Unitary Method Inverse Proportions

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Unitary Method Direct Proportions

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Exercise 5 page 201 SOLVED

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Inverse Rule of Three

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Direct Rule Of Three

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UseTrigonometricIdentities

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DefinitionTrigonometricRatios

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ExerciseOnPerimeters

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ExerCompleteTableProportionality

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ExamTablesProportionality

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ProportionalityDI

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Arithmetic sequences