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How do I do better in my listening exercises?

The speed in listening exercises is often much faster than what you are used to. To try and understand all of what is being said will be impossible; as once you have you have worked out the first it might...

Answered by Victoria B. • French tutor

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Hannah's sweet problem (Edexcel 2015): There are n sweets, 6 are orange, rest of the sweets are yellow. She takes 2 sweets randomly without replacing them and the probability that 2 orange sweets are chosen is 1/3. Show that n^2-n-90 = 0.

Draw a probability tree diagram. For this question, only two branches are required (orange and orange). At the start, there are n sweets in total, 6 are orange, so p(O) = 6/n. On our second pick, there ar...

Answered by Yimin Z. • Maths tutor

5444 Views

Karen got 32 out of 80 in a maths test. She got 38% in an English test. Karen wants to know if she got a higher percentage in maths or in English. Did Karen get a higher percentage in maths or in English?

We are given that Karen got 38% in her English test, so all that's left to do is work out the percentage she achieved in her maths test and then compare it with 38%: We calculate the percentage by taking ...

Answered by Hal C. • Maths tutor

8134 Views

Describe how different environmental factors affect the direction of growth of roots and shoots.

The growth and roots and shoots is caused by the plant hormone auxin. Shoots grow towards light, known as phototropism, they also grow upwards against the force of gravity which is known as geotropism. In...

Answered by Andrew O. • Biology tutor

3198 Views

What is an agreement ?

An agreement is the change made to a past participle verb or adjective to correspond, or "agree", with the noun in question. These agreements could represent plurals or genders. For instance, fo...

Answered by Lara M. • Italian tutor

2827 Views