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A patient has the cold, explain to them why antibiotics can only be used to treat certain types of infection and the issues that develop when antibiotics are used too much.

Infections can be caused by bacteria, viruses or fungi. Antibiotics are a class of drug designed to kill or stop the growth of bacteria. They cannot be used to treat infections caused by viruses, such as the...
CS
Answered by Catherine S. • Biology tutor
3605 Views

How do you find the turning points of a curve described by the equation y(x)?

A turning point on a curve will be a point where the curve is flat/horizontal i.e. where it has a gradient of zero. We know that to find the equation for the gradient of a curve we have to differentiate it w...
GF
Answered by George F. • Maths tutor
8421 Views

What would be effect on the price of oil due to an increase in cars used in the UK

using supply & demand diagram, show that the price of oil will rise due to an increased demand for oil. ceterus paribus assumption being made. can discuss other factors that may or may not make this effe...
OA
2361 Views

Particles P and Q of masses 0.4kg and m kg are joined by a light inextensible string over a smooth pulley. When released Q accelerates downward at 2.45ms^-2. Find m.

This is an example of a common Mechanics 1 question. I teach a systematic approach to such questions. Diagram - dram diagram of the pulley set up Label forces on diagram - Tension from string acting vertical...
CN
Answered by Connor N. • Maths tutor
8116 Views

Solve the following simultaneous equations: 3x + 5y = -4 and -2x + 3y = 9

Label the equations 1 and 2 We want to make it so the x are the same number - therefore we have to find a common multiple of 2 and 3 - this is 6 Therefore the equations turn into: 1) 6x + 10y = -8 2) -6x + 9...
KP
Answered by Krishnaa P. • Maths tutor
5623 Views