Top answers

Make h the subject of h-36=(3h+18)/i

First, multiply both sides of the equation by 'i' to remove the fraction: i(h-36) = 3h +18 Then, expand the bracket by multiplying 'i' by each of the terms inside (first h then '-36'). Make sure to keep the ...
RT
Answered by Rebecca T. • Maths tutor
3823 Views

Factorise fully 27x^2 - 3

First, work out what number is a common factor of both terms - in other words what number 'goes into' both 27 and 3? 3 is a factor of both so put 3 outside the bracket. = 3( __ - __) Now work out what goes i...
RT
Answered by Rebecca T. • Maths tutor
5681 Views

What is the difference between "ser" and "estar"?

Both "ser" and "estar" mean "to be". However they both have different purposes in Spanish. "Ser" is the verb used to to denote a permanent state of being, whilst &quot...
AB
Answered by Alicia B. • Spanish tutor
2338 Views

Messenger RNA (mRNA) is used during translation to form polypeptides. Describe how mRNA is produced in the nucleus.

Messenger RNA is produced via the process of transcription. DNA is transcribed into mRNA using RNA polymerase. First, the double helix structure of the DNA unravels, and the hydrogen bonds break between the ...
AJ
Answered by Akanksha J. • Biology tutor
3851 Views

Sodium’s atomic number is 11 and its mass number is 23. How many protons, electrons and neutrons does it have?

The mass number defines the number of protons and neutrons in an atom. The atomic number shows the number of protons in an atom (nucleus). Because there is the same number of protons as electrons in an atom ...
CM
89302 Views