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"je les ai achetés" why does the past participle "achetés" have an "s" at the end when it is an "avoir" verb? I was taught that only verbs that use "être" as their auxiliary add endings to the past participle?

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RB
Answered by Rosie B. • French tutor
2260 Views

A 20cm³ sample of lithium hydroxide solution of unknown concentration is neutralised by 12.25cm³ of 0.15mol/dm³ of sulfuric acid. Calculate the concentration of the lithium hydroxide solution.

0.184mol/dm³

SA
4509 Views

What is the difference between the actus reus and the mens rea?

The actus reus and mens rea refer to the two components of a crime - they're both Latin terms which roughly translate into "the guilty act" and "the guilty mind" - it's much more accur...

JL
Answered by Jordan L. • Law tutor
4235 Views

How can I prepare for my medical school applications? MMI? UKCAT!?

Despite being a trying period for students applying for medical school whilst studying their A Levels it is incredibly important to take time to consider your application carefully. I am of the firm belie...

JS
1453 Views

Solve the inequality x^2 + 5x -24 ≥ 0.

There are a few different ways to approach this problem but the simplest and most easy to visualise solution comes from sketching the curve y = x2 + 5x - 24 and identifying the range of x-value...

OW
Answered by Owen W. • Maths tutor
7729 Views

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