Search our library of homework questions

Top answers

All subjects

All levels

Qu'est-ce-que tu fais pour protéger l'environnement chez toi?

En générale, j'essaie d'éteindre les lumieres quand je quitte ma chambre, parce-que cela aiderait á sauver d'énergie et donc c'est mieux pour le monde. Aussi je sensibilize les gens de ma ville aux proble...

Answered by Ramish Q. • French tutor

7077 Views

6y+2x^2=6 x=(y+1)^0.5 solve the simultaneous equations

x^2=y+1 therefore 6y+2y+2=6 therefore 8y=4 y=0.5 sub in to either equation x=(3/2)^0.5

Answered by Thomas F. • Maths tutor

2712 Views

Order the relative base strength of phenyl amine, methyl amine and methylphenyl amine and outline your reasoning.

Phenyl amine is the weakest base- the benzene group has a negative inductive effect on the lone pair on the nitrogen. Therefore it is less availiable for donation.

Methyl amine is the strongest- th...

Answered by Thomas F. • Chemistry tutor

3867 Views

Differentiate 3x^2+1/x and find the x coordinate of the stationary point of the curve of y=3x^2+1/x

To differentiate we multiply by the power and take one off the power. d/dx(3x^2+1/x)= 6x-1/x^2 At a stationary point the gradient equals zero 6x-1/x^2=0 which rearranges to x=(1/6)^(1/3)

Answered by Rachel W. • Maths tutor

4066 Views

You've been asked by a friend why you spend so much time on your phone. You decide to send her a text in response, explaining the benefits of technology and possible problems which arise from overuse.

Hola Sara,

Te escribo con el propósito de explicar por qué utilizo tanto mi móvil. En primer lugar, cabe hacer hincapié en los benificios de la tecnología hoy en día. Con el móvil puedo acceder a m...

Answered by Yasmin M. • Spanish tutor

1623 Views