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How important were the railroads in opening up the American West?

Although other factors contributed greatly the the spread of American civilisation across the Plains, the railroads were incredibly significant for three main reasons: 1. The railways, specifically the Pacif...
CG
Answered by Connor G. • History tutor
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How do you expand brackets?

The easiest method to expand brackets would be to remember FOIL! F - First O - Outside I - Inside L - Last Okay, so lets say you want to expand (3x+1)(2x+3), we'll fist multiply the f irst term of each brack...
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Answered by Connor G. • Maths tutor
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Crude oil is a fossil fuel. Describe how crude oil is separated into fractions.

This is done by a process called cracking. Cracking is the process by which the crude oil is heated up in the oil refineries to separate the oil into separate molecules/hydrocarbons. By heating the crude oil...
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Answered by Lucy G. • Chemistry tutor
12891 Views

There are 20 balls in a bag. The probability is 0.25 of picking a red ball. If one more red ball is added, what is the new probability of picking a red ball at random?

Convert 0.25 into a fraction where 20 is the denominator as there are 20 balls in total in the bag. 0.25 is the same as 1/4 and to convert this to 20 as the denominator multiply both the top and the bottom b...
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Answered by Alex L. • Maths tutor
12565 Views

Comment on the theme of revenge in Shakespeare’s Hamlet

Revenge tragedies were popular in Elizabethan theatre for their violent action and on-stage spectacle of bloody justice. Hamlet uses a medieval Danish revenge story as a framework to comment on the internal ...
KM
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