Top answers

Factorise X^2-X-20

(X+4)(X-5)
SW
Answered by Stephen W. • Maths tutor
3931 Views

Solve the following simultaneous equations: 3x+y=11, 2x+y=8

x=3, y=2
RS
Answered by Reuben S. • Maths tutor
3194 Views

Why do plant shoots grow towards sunlight?

Auxins are a hormone in plants that is mainly produced in the tips of shoots and roots. High concentration of auxins in the shoot causes cells to grow more, whereas a high concentration in the root causes ce...
FA
Answered by Fareeha A. • Biology tutor
8158 Views

Why does grinding a solid reactant down into smaller lumps increase the rate of a reaction? (2/3 marks)

As grinding down the solid increases the exposure of particles on the surface, this increases the frequency of reactant particle collisions which then increases the rate of reaction.
IH
5015 Views

Explain the difference between Type 1 and Type 2 diabetes?

Type 1 diabetes has an early onset and is linked with genetic factors. Type 2 diabetes can develop later on in life and is linked with lifestyle facts such as diet and exercise.
HS
Answered by Havishma S. • Biology tutor
3506 Views