Top answers

Determine the coefficient of y^3 in the binomial expansion (2x-3y)^4

Using the method of binomial expansion (which I will cover in more detail) we get (2x-3y)^4 = + 1(2x)^4(3y)^0 - 4(2x)^3(3y)^1 + 6(2x)^2(3y)^2 - 4(2x)^1(3y)^3 + 1(2x)^0(3y)^4 = = 16x^4 - 96x^3 y + 216x^2 y^2 ...
DM
Answered by Davids M. • Maths tutor
11956 Views

Que haces en tu tiempo libre?

Normalmente, no tengo mucho tiempo libre, sin embargo cuando tengo tiempo libre, me encanta leer novelas romanticas. Pienso que las novelas, me hacen escapar los estreses de la vida. Mas que nada, para mante...
MP
Answered by Mariam P. • Spanish tutor
3358 Views

How are phospholipids arranged in the cell membrane?

Phosopholipids have a hyrdophilic head which is orientated towards the cytoplasm or the interstice, and hydrophobic tales which are orientated towards the inside of the membrane, hydrophobic interactions hol...
HK
Answered by Henry K. • Biology tutor
5168 Views

An Enzyme has lost is function, it has become denatured. What can be the cause of denaturation? Why does the enzyme no longer function?

High temperature can cause the denaturation of proteins (enzymes), this is due to bonds in the proteins breaking. The shape of the active site no longer works, the lock and key mechanism is no longer achieve...
HK
Answered by Henry K. • Biology tutor
6864 Views

Solve: 5x - 2 > 3x + 11

5x - 2 > 3x + 11 5x - 3x > 11 + 2 2x > 13 x > 13/2 x > 6.5
HK
Answered by Henry K. • Maths tutor
4290 Views