Top answers

2x + y = 18; x−y=6

This is an an example of simultaneous equations, no single equation can give us the answer. Were going to use the substitution method. We will call this equation 1: 2x + y = 18, and this equation 2: x-y=6. A...
TA
Answered by Tamara A. • Maths tutor
4700 Views

Give an example of a situation in which the use of the copular verb differs between English and Mandarin

In English, the copular verb 'is' is used to link the subject to the predicate. For example in the sentence: The girl is smart, the copular verb 'is' is required to indicate that the adjective 'smart' is a d...
SW
Answered by Sarah W. • Mandarin tutor
1741 Views

What's the difference between 'saber' and 'conocer'?

Brilliant question! Although in English, 'saber' and 'conocer' both mean 'to know', we must decide which one of the two verbs to use in Spanish depending on the context, and what we 'know'.'Saber' is used fo...
SK
Answered by Sophia K. • French tutor
4058 Views

3x+3=19-5x

3x+3=19-5x(+5x) 8x+3=19 (+5x)(-3) 8x=16 (-3)(/8) x=2 (/8) Algebra is all about balance, so anything you do to one side of the equation, you have to do to the other side as well. So first thing to do it get a...
CO
Answered by Ciara O. • Music tutor
4783 Views

How are nutrients absorbed into the circulatory system in the small intestine?

Firstly I would ensure the student understands the basic concepts of diffusion and what nutrients are. I would describe how food substances move through the digestive system and break down into amino acids, ...
PC
Answered by Pippa C. • Biology tutor
3804 Views