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How do I know which interrogative adjective to use?

To know which interrogative adjective to use, you need to figure out what is being talked about. This is because we've got 4 different words. In essence, all of these words mean 'which'. Which shoes? Which f...
AJ
Answered by Alice J. • French tutor
3547 Views

Why does a mutation in the genetic code change the structure of a haemoglobin molecule?

The mutation alters the base sequence which therefore changes the sequence of Amino Acids coded for (the primary structure). Now the sequence of Amino Acids has been changed when bonds form and folding occur...
HM
Answered by Harry M. • Biology tutor
4642 Views

If I buy a dress at 30% off the original price and I pay £40. How much was the dress originally?

I like to address this question by using similar fractions. That is to say x/y=2x/2y X over y is the same as 2x over 2y In this example we are asked what the full price of the dress is, as in what 100% of th...
LR
Answered by Lauren R. • Maths tutor
5920 Views

How do you conjugate a verb in the present tense?

It all depends on the infinitive verb ending. For regular verbs; if it ends in -er: 1) Remove the -er from the end of the verb 2) Add the following verb endings, depending on the pronoun, je: -e, tu: -es, il...
MH
Answered by Minnie H. • French tutor
3201 Views

A right angled triangle with sides 7cm and 11cm, find the hypotenuse

General rule for any right angled triangle: a^2+b^2=c^2, with a and b being the shorter sides and c being the hypotenuse (the longest side). Using the equation: a=7 and b = 11 and c=hypotenuse we want to fin...
GF
Answered by Gwen F. • Maths tutor
5057 Views