Top answers

Write 36 as a product of its prime factors

3 2 x 2 2 Drawing a tree during explanation is very helpful.
NK
Answered by Nighat K. • Maths tutor
4143 Views

Putting bee honey on a cut kills bacteria. Honey contains a high concentration of sugar. Use your knowledge of water potential to suggest how putting honey on a cut kills bacteria.

Sugar is a solute, so honey contains a high concentration of solutes. This increases the solute potential, and decreases the water potential of honey, which is therefore lower than the water potential in bac...
NK
Answered by Nighat K. • Biology tutor
3964 Views

3/5 of a number is 162. Calculate the number.

Non calculator paper. 162 divided by 3 = 1/554 = 1/554*5 = 270
NK
Answered by Nighat K. • Maths tutor
6633 Views

Differentiate, with respect to x, e^3x + ln 2x,

e^3x differentiates to 3e^3x as you multiply the function e^3x by the derivative of the inside function 3x. 3x differentiates to 3, so the answer is 3 multiplied by e^3x. The derivative of a natural log func...
PA
Answered by Pelumi A. • Maths tutor
13875 Views

What do I need to include in order to answer a 'how valuable' source question effectively?

At A level, there are 3 key elements of these source questions that must be addressed in any answer. These are: 1) content, 2) provenance and 3) tone. Discussing each one in turn: 1) The content of the sourc...
SF
Answered by Samuel F. • History tutor
11318 Views