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There are many times in Spanish when you are required to use the subjunctive, but for now I will explain in detail one common category of uses that tend to cause confusion for Spanish students. This can b...

Tennessee Williams’ dramatic exploration of events during ‘A Streetcar Named Desire’ sees an effective presentation of new and old ideas, reflecting the character of Blanche, the overall narra...

Group the like terms together to make the equation less messy leaving the equation equal to 0.Simplify the long quadratic equation into brackets.Each bracket must be equal to 0 to fulfil the equation.When...

Q. A sample of strontium has a relative atomic mass of 87.7 and consists of three isotopes, ⁸⁶Sr, ⁸⁷Sr and ⁸⁸Sr. In this sample, the ratio of abundances o...

steps as follows:x times x = x²2 times 5 = 102 times x = 2xx times 5 = 5xthen add these together:y = x² + 7x +10x = -2, -5; y = 0, 10