Top answers

Express 56 as a product of prime factors in its simplest form

A prime factor is a factor (or divisor) that cannot be divided by another number.So we start with the first prime number 2: 56 / 2 = 28.8 is even, so we can divide by 2 again, 28 / 2 = 14.14 is even so we ca...
JK
Answered by John K. • Maths tutor
4353 Views

What is the difference between a vector and a scalar quantity?

A vector describes both magnitude and direction, whereas a scalar only describes the magnitude. A common example is speed and velocity. Speed is a scalar, it describes only how fast something is going and ve...
PK
Answered by Patricia K. • Physics tutor
2537 Views

Simplify (3x^2 - 6x)/ (6x^3 - 19x^2 + 9x +10)

3x(x-2)/(2x+1)(x-2)(3x-5) 3x/(2x+1)(3x-5)
Answered by • Maths tutor
5544 Views

HIV is diagnosed by blood tests. State two safety precautions that need to be taken when handling blood samples.

In order to make sure that safety precautions are met, when handling blood samples we must make use of gloves in order to cover all cuts and avoid contact. Furthermore, you must store samples in sealed conta...
Answered by • Science tutor
5335 Views

Explain how oestrogen can lead to the development of breat cancer

Oestrogen is a lipid soluble molecule, so it diffuses into the cell across the plasma membrane. It then binds to a recptor inside the cell and this causes it to relocate to the nucleus. The receptor then act...
JM
Answered by James M. • Biology tutor
3516 Views