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What must we consider when examining sources for our project?

Author- Who authored the source? Are they close to the issue you're investigating (For example, if you're researching Star Wars, is your source the director? A key actor? A fan?). The author can have the lev...
QG
2509 Views

Express 3/(x+1) + 4x/(2x+5) as a single fraction.

Multiply both numerators and denominator by the opposite denominators to get 3(2x+5)/(2x+5)(x+1) and 4x(x+1)/(2x+5)(x+1). Now the denominators are both equal so we can combine into one fraction and add the n...
ES
Answered by Euan S. • Maths tutor
4948 Views

Why was life so difficult for settlers in the American West? (Give 3 reasons)

Bandits: Being in a largely lawless region of the country, settlers had to fend for themselves most of the time. A mixture of Indian and American raiders meant that the settlers were never truly safe, and th...
QG
Answered by Quinn G. • History tutor
3618 Views

What do I need to know about operating systems?

Motivation -> We need operating systems to give easy access to the hardware of a computer. A processor (CPU) can only execute one instruction at a time, yet we can have multiple applications running at th...
CW
Answered by Calum W. • Computing tutor
1779 Views

Give and explain 2 of the anomalous properties of ice caused by hydrogen bonding (3)

Compared to water ice is less dense this is due to hydrogen bonds in the open lattice holding the H 2 O molecules apart whereas in liquid form the hydrogen bonds break allowing the molecules of water to be c...
ZB
Answered by Zahra B. • Chemistry tutor
5094 Views