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In the listening exam, what do I do if I don't understand anything that is said?

First of all, don't panic! You may think that you didn't understand the whole piece, but are there any parts you did understand? Look at the possible answers if it's multiple choice and apply the process of ...
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Answered by Kathryn K. • French tutor
2476 Views

Describe how pancreatic hormones regulate blood glucose homeostasis.

In response to high blood glucose concentrations, insulin is released from the pancreas into the blood. Insulin acts on cells (especially liver cells) and causes glucose to move from the blood into these cel...
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Answered by Hannah B. • Biology tutor
2559 Views

How to factorise a quadratic

First, show how to multiply out two brackets, and the structure of such a question.When given a quadratic, such as x^2 + 4x - 32 (x+8)(x-4)to solve this, first making a list of factors of 32 is important. So...
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Answered by Nicole L. • Maths tutor
3196 Views

A new car costs £12,000. It decreases in value by 5% each year for the first 5 years and then increases in value by 2% after that. How much does it cost after 7 years?

12,000 x 0.95^5=9285.37 7-5=2 9285.37x1.02^2=9660.50
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Answered by Matilda P. • Maths tutor
3870 Views

How can temperature affect an enzymes activity?

An enzyme is a biological catalyst. As temperature is raised, the rate of the reaction increases up to the optimum temperature, the point at which the enzyme works the best. Beyond this, raising the temperat...
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Answered by Mahnoor S. • Biology tutor
2265 Views