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How and when do I use the imperfect subjunctive?

The imperfect subjunctive is formed by taking the root of the first person preterite (e.g. the verb 'comer' - 'to eat' - becomes 'comi') and adding the following endings: -iera (e.g. comiera)-ieras -iera-iér...
Answered by • Spanish tutor
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How do you form the present subjunctive in French?

To form the present subjunctive, you need to use the third person plural form ('ils'/'elles') of the present tense. Simply take off the '-ent' at the end and add the following endings:-e, -es, -e, -ions, -ie...
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Answered by Kate W. • French tutor
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Solve algebraically the simultaneous equations x^2 + y^2 = 25 and y - 3x = 13

Start to solve by substitution: eqn 1 x^2 + y^2 = 25eqn 2 y - 3x = 13 => y = 3x + 13 Substitute eqn 2 into 1: x^2 + (3x +13)^2 = 25expand and simplify the equation ...5x^2 + 39x + 72 = 0 Factorise the equ...
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Answered by Rosita R. • Maths tutor
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Discuss the perfect competition model?

many buyers and sellershomogenous goodsno barriers to entry and exitperfect knowledge No sunk costsunrealisticno place for monopolies/oligopolies
PS
Answered by Perdita S. • Economics tutor
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Discuss ageing populations and policies to counteract this

example japan creates issues of high dependency, especially on young population reduces work force and causes social burden policies:increase retirement ageencourage children: eg subsidies in France encourag...
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Answered by Perdita S. • Geography tutor
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