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Solve 3x^2 + 6x – 2 = 0 Give your solutions correct to 2 decimal places.

3x 2 + 6x - 2 = 0 When we have a polynomial with powers of x up to 2 (a quadratic equation) we can apply the quadratic formula : -b ± root(b 2 -4ac)/2a where your equation is in the form ax 2 + bx + c 0 so a...
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Answered by Maya S. • Maths tutor
9528 Views

Could you help me to understand how DNA replication works?

In order to answer your question let's separate replication process into steps. Step 1: Unwinding of double-stranded DNA The first step of DNA replication involves binding of helicase enzyme that unwinds and...
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Answered by Raminta K. • Biology tutor
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Outline why a given mass of water has more internal energy than the same mass of ice at the same pressure?

To achieve maximum score, you are expected to define every term that you will use. Therefore in this case define internal energy (the sum of the potential and the (random) kinetic energy of the molecules of ...
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Answered by Balint P. • Physics tutor
3163 Views

How do I form the subjunctive tense and when do I use it?

Usage It is important to remember that, although in native Spanish the subjunctive tense is used in a huge range of different tenses (eg. pluperfect subjunctive, future subjunctive), for GCSE a grasp of the ...
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Answered by Grace C. • Spanish tutor
2912 Views

I don't understand the difference between Direct and Indirect Object Pronouns - how do I use them?

A normal Direct Object Pronoun (DOP) sentence would look like this: --> J'attends le bus pendant deux heures chaque matin. --> to change this sentences into the DOP form we replace the object (''le') w...
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Answered by Grace C. • French tutor
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