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What is the difference between the preterite and perfect tenses in Spanish?

The preterite is used for completed actions in the past e.g. I spoke to my mother - Hablé con mi madre The perfect is used to reflect on a current state dependent on a past action, and always translates into...
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Answered by Jeevan R. • Spanish tutor
2907 Views

How do you expand Double Brackets?

For this we will use the FOIL Method. This stands for Front, Outside, Inside, Last. This helps us to check that we have multipled everything. For example, lets use (x+1)(2x+3): Multiply the first terms: x 2x...
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Answered by Harry R. • Maths tutor
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(4x + 3)/(x + 1) + 2 = 8

(4x + 3)/(x + 1) + 2 = 8 Firstly minus the 2 from both sides (4x + 3)/(x + 1) = 6 Then multiply both sides by the denominator (x + 1) 4x + 3 = 6(x + 1) Expand the brackets. 4x + 3 = 6x + 6 Rearrange the equa...
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Answered by Jessica W. • Maths tutor
3605 Views

Why do price of exchange rates increase when interest rates increase? What does it mean that a currency is strong?

When the interest rate is high in a country it encourages investors to convert their money, e.g. into pounds, and invest their money in the country. The price change can be traced back to basic supply and de...
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Answered by Bence L. • Economics tutor
2584 Views

Why is the demand curve downward sloping

The demand curve shows how different prices of a commodity affect the quantiy demanded by consumers.Price is always show on the y-axis (vertical) and quantity on the x-axis (horizontal). These two variables ...
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Answered by Remi G. • Economics tutor
8506 Views