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Conjugate the following to present tense: "Que (faire)-tu ce soir? Moi je (rester) à la maison. Je (être) trop fatigué pour sortir."

"Que fais-tu ce soir? Moi je reste à la maison. Je suis trop fatigué pour sortir."
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Answered by Adrien D. • French tutor
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A family go into a shop, they buy three sandwiches and two packets of crisps. It costs them £9. Another family buy five sandwiches and six packets of crisps. It costs them £19. How much does two sandwiches and five packets of crisps cost?

We will call sandwiches S and packets of crisps C. These are the 'unknowns'. From the information we can write down two equations. Equation 1: 3S + 2C = 9 and Equation 2: 5S + 6C = 19. We need two equations ...
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Answered by Nicholas W. • Maths tutor
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Describe the process of natural selection

A mutation occurs in the genotype of an organism. This results in a beneficial phenotype being expressed. This organism now has a survival advantage. Therefore, it will live longer. This means it will have m...
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Answered by Katherine O. • Biology tutor
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Describe the process of DNA replication

DNA replication is semi-conservative, meaning existing strands are used as templates for new strands. The DNA is separated (unwinds) by the enzyme helicase. This enzyme breaks the H bonds between nucleotides...
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Answered by Katherine O. • Biology tutor
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Line A is parallel to the line 4y+12x=24. Find the equation of Line A if it passes through the point (5,40/3).

Line A and line 4y+12x+24 are parallel. This means that they have the same gradient. In y=mx+c the gradient of the line is m. We can rearrange the equation 4y+12x+24 to find m. To begin with subtract 12x fro...
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Answered by Chloe B. • Maths tutor
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