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Given: h=3t^2, work out the value of h when t=5.

We have been told that t = 5 in this particular question. So our first step is to simply 'swap out' the t in the above equation for the number 5, as we have been told they mean the same thing. This gives us:...
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Answered by Alexander D. • Maths tutor
9955 Views

What is an enzyme?

An enzyme is a biological catalyst. It is a protein with an active site that binds to a substrate to accelerate a chemical reaction.
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Answered by Epen T. • Biology tutor
3555 Views

Que peut-on faire pour améliorer l'environnement en Angleterre?

Selon moi, le gouvernement pourrait faire plus pour aider l'environnement en Angleterre et il aurait l'effet le plus grand pour l'aider. Il pourrait rendre obligatoire de recycler par exemple, parce que beau...
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Answered by Bernadette R. • French tutor
2677 Views

What is the difference between passé composé and imparfait, and when are they used?

Whilst both the imparfait and the passé composé refer to actions in the past, they are used in different situations. On the one hand, the imparfait is used in descriptions, to talk about a habit or a long ac...
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Answered by Emma M. • French tutor
2886 Views

Solve the following simultaenous equations

6a + 3b = 7 (1) 4a + 4b = 12 (2) We need to eliminate one of the variables in our simultaneous equations in order to be able to find a numerical value. As the same signs are used in both equations (i.e. addi...
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Answered by Millie J. • Maths tutor
4229 Views