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Solve algabraically: 6a+b=16 and 5a-2b=19

To answer this we want to split up the 'a' parts and 'b' parts of the question and answer them seperately because we can't answer the question with two letters. We can change one equation to b=16-6a and now ...
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Answered by Anna S. • Maths tutor
5636 Views

How can I show a basic understanding of the Subjunctive in Spanish?

The subjunctive (el subjuntivo) is a mood, not a tense and it is used frequently in Spanish. It can be used to describe past events with the imperfect subjunctive, or present events with the present subjunct...
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Answered by Georgina F. • Spanish tutor
2800 Views

In Lady Macbeth's first speech, how does Shakespeare present ambition? How does he present ambition in the play as a whole?

In this speech, Lady Macbeth is reading a letter from her husband in which he tells her what has happened with the witches. The audience already know all that has happened, so rather than focussing on the ac...
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Answered by Charlotte V. • English tutor
20493 Views

Solve the following simultaneous equation: 1) 2x=y-5, 2) 2y^2=4x^2+4x-15

The most instinctual method one would go by is to rearrange the terms so that one side of the equation will be equal to either x,y, or zero. In this case to avoid fractions it may be best to rearrange the eq...
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Answered by King-Ting L. • Maths tutor
3853 Views

Explain pieces of evidence that support the theory that mitochondria evolved from bacteria?

Mitochondria are one of the three eukaryotic organelles that have a double membrane (along with chloroplasts and the nucleus), two of which are believed to have evolved from bacteria (mitochondria from Prote...
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Answered by Angus L. • Biology tutor
16641 Views