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¿Describe el director y la película(s) que has visto?

El director que he estudiado es Pedro Almodóvar, el padre del cine español moderno y en mis estudios he visto dos de sus películas, «Volver» y «Mujeres al borde de un ataque de nervios». Me encantan el estil...
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Answered by Sam P. • Spanish tutor
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Solve the simultaneous equations: 3x + 4y = 5 and 2x – 3y = 9

To solve a simultaneous equation we use a method known as elimination. We choose to 'eliminate' or remove the X or Y term. To 'eliminate' x we must firstly determine the lowest common multiple 3 and 2 (as th...
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Answered by Prasanna G. • Maths tutor
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Factorise the following equation: y = 2x^2 + 4x - 6

For this question, it is best to first take out a factor of 2 from the equation. This will leave you with y=2(x 2 +2x-3). We then need to work out the two numbers that will multiply to -3 and add to 2. We ca...
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Answered by Stephen C. • Maths tutor
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What is involved in active transport?

This question comes up often in GCSE papers and is a key topic when talking about exchange or cell biology. Active transport comes hand in hand with diffusion and osmosis. It is a key mechanism for moving su...
CS
Answered by Charlotte S. • Biology tutor
15287 Views

Define the three types of chemical bonding.

Ionic bonding occurs between metallic and non-metallic atoms. Electrons are transferred from metal atoms to non-metal atoms. This results in positively charged metal ions and negatively charged non-metal ion...
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Answered by Ellie P. • Chemistry tutor
3669 Views