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When and how would you use the vouvoiement in French?

The vouvoiement in French is a form of politness. You would use the "tu" when you are talking to a friend or someone close to you, however you would use the "vous" when referr...

AC
Answered by Amélie C. French tutor
3721 Views

Prove that the sqrt(2) is irrational

To do this we will assume sqrt(2) is rational, a fraction, which means: 21/2 = m/n; m,n belong to integers. Also, m/n is an irreductible fraction

JC
Answered by Joao C. Maths tutor
3660 Views

Expand and simplify 2(a + 3) + 5(a – 1)

Firstly we will start by expanding the brackets. We will do 2a + 23 for the first bracket,  then we will do 5a + 5(-1) for the second bracket which will give us 2a + 6 + 5a - 5. We will ...

SB
Answered by Serena B. Maths tutor
4795 Views

Factorise and solve x^2 - 8x + 15 = 0

In order to solve a quadratic equation by factorisation you must first find the two numbers which add up to - 8 and multiply to get 15. We can do this by trial and error - first listing all of the pairs o...

LM
Answered by Lucy M. Maths tutor
5062 Views

State what is meant by 'active transport' and explain how a plant root hair cell use this to facilitate nutrient uptake from the soil.

(I have underlined any keywords in this response)

Break this question down into 2 halves to make it easier to answer:

  1. "What is meant by 'active transport' " : Active transpor...
CM
Answered by Cemal M. Biology tutor
14942 Views

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