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How do you conjugate regular -AR, -ER and -IR verbs in the pretérito indefinido?

Take the infinitive of the verb (the whole verb e.g. hablar) then remove the ending (AR, ER, IR) so you are left with the stem, which is ´habl´here. Then add the correct ending depending on the person it ref...
RC
Answered by Rebecca C. • Spanish tutor
2831 Views

Using examples, explain the difference between price elastic and inelastic.

Price elastic refers to when a change in the price of a good or services creates a larger percentage change in the demand for that good, or PED > 1. An example of an elastic good is Hovis Bread, because t...
RH
Answered by Rebecca H. • Economics tutor
6877 Views

Given the curve y=x^2 +1 and the line y=k, find, using graphical methods only, the value of k for which there is exactly one solution.

Graphically, the solution of a pair of simultaneous equations is the point of intersection between both curves. If we want only one solution to the system of equations, then there should only be one point of...
MT
Answered by Marcos T. • Maths tutor
3308 Views

Factorise the following expression x^2+11x+24=0

Find two values that multiply together to make 24, and add together to make 11 List the factors of 24:24,112,26,48,3 Here we can see the only numbers that add together to make 11 are 8 and 3, so these are th...
LM
Answered by Lauren M. • Maths tutor
3745 Views

On the graph related to the firms topic, why does the marginal cost curve meet the average cost curve at its lowest point.

The marginal cost is the cost of producing an additional unit, whilst the average cost is the average cost of producing each unit. If the marginal cost is lower than the average cost then the average cost wi...
AS
Answered by Asisa S. • Economics tutor
6606 Views