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5x+3=2x+9 What is the value of x?

To solve this question you need to rearrange the equation to obtain an expression in the form ax=. Make sure that whatever you do the one side of the = sign, you must also do to the other side. Firstly, subt...
JC
Answered by Jake C. • Maths tutor
14531 Views

What role does gut flora play and how does it work?

Gut flora is an example of good bacteria within our bodies that we need to survive. The average human has around 1.5kg of glut flora in there gastro-intenstinal tract. The gastrointenstinal tract (GIT) consi...
EK
Answered by Ermira K. • Biology tutor
3668 Views

Explain the adaptations plants have to survive hot environments

Plants in hot environments have adaptations to their stomata. These are, having a lower density of stomata and also closing their stomata during the day, when it the environment is warmest. This reduces the ...
MB
Answered by Maisy B. • Biology tutor
25294 Views

Solve the following simultaneous equations: 3x+y-2z = -2, y+4z = 1, 10x+2y+5z=26

x=3, y=-7, z=2
MP
Answered by Matthew P. • Maths tutor
4437 Views

How are bacteria genetically modified for human benefit?

First of all, the concept of genetic modification needs to be understood. Proteins are coded for by genes in the DNA of an organism, with each gene coding for a different protein. We utilise the fact that di...
DP
Answered by Declan P. • Biology tutor
13350 Views