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

A fall in interest rate will affect consumption, investment and exports-imports.Firstly as interest rates fall, it becomes cheaper to borrow money and it becomes less profittable to save money, therefore the...
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Answered by Maria C. • Economics tutor
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Tom is making gift bags, each of which will contain two balloons. He wants to hide a sweet in one of the balloons. 20 balloons cost £1.33, 15 sweets cost £2.05. What is the minimum he needs to spend to make 35 bags?

First work out how many balloons he will need to buy . In order for each bag to have two balloons , he will need 70 balloons. Since he can buy 20 balloons at a time , this implies the minimum number he would...
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Answered by Peter T. • Maths tutor
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Which of these lines are parallel to y=2x+3? Which are perpendicular? Options: 1) y=5x-4, 2) y=-1/3x+3, 3) y=-1/2x-1, 4) y=2x-2/3

There are two ways of doing this question, one would be to sketch the graphs and see which are parallel to and which are perpendicular to the original line. Whilst this is valid, sketching lines isn’t always...
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Answered by Peter T. • Maths tutor
5609 Views

Work out the nth term of the sequence 3, 7, 11, 15, ...

This is an example of an arithmetic series because each term is +4 from the previous term.This means for the "nth term" we start with +4n.Now we take a specific term from the sequence e.g. 3 (1st t...
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Answered by Alice L. • Maths tutor
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How do I expand double brackets? E.g. (4x+7)(3x+5)

In order to expand the brackets, we need to ensure that EVERYTHING in the left bracket is multiplied by EVERYTHING in the right bracket. There are 3 methods for helping us to times out the brackets. These ar...
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Answered by Shona A. • Maths tutor
6934 Views