Top answers


Explain three difficulties economists face when they try to measure unemployment accurately.

Unemployment, while useful in some cases, is inherently flawed as a metric for socio-economic progress. Official unemployment statistics fail to take into account the issue of hidden unemployment, defined as...
CR
5387 Views

What is the difference between London dispersion forces and hydrogen bonds?

Both are a type of inter molecular forces which means they act between more than 1 molecules. Do not confuse them with intra molecular forces acting within 1 molecule. London dispersion forces act between al...
DS
Answered by Daria S. Chemistry tutor
29307 Views

Find all real solutions of (x^2 +4x +3)^(x^2 -6x+8) = 1

Rewrite as a^b = 1, where a = x^2+4x+3 and b = x^2-6x+8List the cases for which a^b = 1Case 1: a = 1:So x^2+4x+3=1 => x^2+4x+2=0 => x=-2 +/- sqrt(2)Case 2: b=0, a ≠ 0:b=(x-4)(x-2) => x = 2, x=4Check...
NM
Answered by Nicholas M. PAT tutor
1506 Views

Rationalise the surd: 2/root(x)

To rationalise a surd means to manipulate a fraction involving terms which are being square rooted so that no term in the denominator is being square rooted. For this example 2/root(x) we multiply the fracti...
DT
Answered by Daniel T. Maths tutor
11137 Views

What did you do over the holidays?

This question helps the student practice using the past tense and using vocabulary related to travel and hobbies. Example Answer:Ces dernières vacances je suis parti en Espagne avec deux familles- la mienne ...
BD
Answered by Beatrice D. French tutor
4074 Views