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Anne picks a 4-digit number. The first digit is not zero. The 4-digit number is a multiple of 5. How many different 4-digit numbers could she pick?

We know that a digit can be a number between 0 and 9. In this case, the first digit can't be 0, so it has to be a number between 1 and 9. So, we have 9 possible choices for the fi...

XD
Answered by XENI D. Maths tutor
10135 Views

Explain how a fall in interest rates can affect total spending in the economy.

A fall in interest rates would mean it would be cheaper for consumers to borrow hence increasing the likelihood of consumers borrowing hence consumer spending would increase. Also, a fall in interest rat...

SJ
1965 Views

What's the best way of answering the interview question of 'Why don't you want to do X instead of Medicine'?

This is a really common interview question that many people stumble on, X is normally something like nursing, paramedic studies or a straight science. Before you answer the question, there are two very im...

VR
1770 Views

The genotypes of 2 guinea pigs, for 2 traits are represented as AABB and aabb. The guinea pigs are mated and the offspring eventually mate with eachother. Of the second generation, what genotypes would be phenotypically different from the originals?

To work through the question, we need to remember that there are 2 traits or characteristics we are looking at for the guinea pigs - A/a and B/b. We need to work out the different ways the alleles can pai...

RG
Answered by Rosie G. Biology tutor
5116 Views

Solve the simultaneous equations: 2x + 3y = 5 and 3x + 4y = 12

  1. 2x + 3y = 52. 3x + 4y = 12
    Firstly, you want to have the same amount of x variables, or y variables. To get the same x, we multiply 1. by 3, and multiply 2. by 2, giving us:
    3. 6x + 9y = 1...
QO
Answered by Quincy O. Maths tutor
6165 Views

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