Top answers

All subjects
All levels

A pen is the shape of an equilateral triangle. A goat is attached to a corner of the pen on a rope. The goat eats all the grass it can reach. It can just reach the opposite fence of the pen. What percentage of the grass in the pen does the goat eat?

  • Step 1: Area of the penA triangle’s area is base * height / 2. Let one side (the base) have length x. By splitting the triangle in half and using Pythagoras’s rule, we get x2 = (x/2)...
Answered by Max C. Maths tutor
2648 Views

Explain how a change in an allele can stop a protein functioning correctly. (4)

If there is a change in the allele, there will be a change in base sequence of DNA (1) This means there is a change in order of amino acids (1) Therefore the protein shape changes (1) Hence, the protein m...

Answered by Lima H. Biology tutor
5720 Views

How many moles are in 50g of NaCl.

Using the formula mass=Mr * moles we can rearrange this so it equals moles= mass / Mr. We are told the mass of the NaCl is 50g however we need to work out the Mr (relative formula mass) of the NaCl too. W...

Answered by Katy H. Chemistry tutor
22901 Views

Compare and contrast facilitated diffusion and osmosis.

Facilitated diffusion is the process whereby substances are move down a concentration gradient, from a region of high concentration to a region of low concentration, using a protein as a carrier or a chan...

Answered by Sanjana C. Biology tutor
3182 Views

How is the conditional used in French?

To conjugate in the conditional, you use the same verb stem as the future and add the following endings: -ais ,-ais , -ait, -ions,-iez, -aientThe conditional in French is very similar to the English equiv...

Answered by Victoria F. French tutor
1530 Views

We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences