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Solve X^2 - 10X + 18=0

This is solving a quadratic equation. There are two ways we can solve this. Using the quadratic equation or completing the square. 1. Quadratic equation-The equation is in the form ax^2 + bx + c. Where a=1 b...
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Answered by Ben M. • Maths tutor
9200 Views

What is the difference between the passé composé tense and the imperfect in french

There are two crucial differences between the two tenses, the first being when you use it and secondly how you form each of them. The passé composé is COmposed of two parts of verbs, for example j'ai fait, I...
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Answered by Richard O. • French tutor
3464 Views

How does the body control blood glucose levels?

The pancreas is the main organ involved with controlling blood glucose levels. It is situated in the abdomen just below the stomach. It consists of alpha and beta cells which are arranged into clusters known...
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Answered by Adeola S. • Biology tutor
4394 Views

What are dependent, independent, and extraneous (confounding) variables?

The dependent varible is defined as the thing which is being measured in an experiment, whilst the independent variable is the thing that is being manipulated or changed. Extraneous variables are undesirable...
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Answered by Megan C. • Psychology tutor
51832 Views

Explain the nuclear model

The atom consists of three sub-atomic particles: Protons; Neutrons and electrons. Protons and neutrons are in the nucleus of the atom and the electrons occupy the electron shells around the nucleus. Electron...
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Answered by Emily P. • Chemistry tutor
21400 Views