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When and how do I use the present continuous tense?

The present continuous tense is used for describing ongoing events or actions that are happening now . Eg. I am going to the shops, He is playing football. For starters, the present continuous isn't used as ...
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Answered by Callum B. • French tutor
4413 Views

How do I find the turning points of a curve?

At turning points, the gradient is 0. Differentiating an equation gives the gradient at a certain point with a given value of x. To find turning points, find values of x where the derivative is 0. Example: y...
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Answered by Shannon G. • Maths tutor
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What was the significance of the flight to Varennes?

On the night of the 20/21st June 1791, King Louis XVI attempted to flee in an event that was later named the flight to Varennes . His plans were shrouded in secrecy, but he probably intended to flee to Montm...
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Answered by Kathryn C. • History tutor
34569 Views

What is protectionism?

Protectionism is a government philosophy towards foreign trade. According to this philosophy, governments should use tariffs and quotas to protect domestic firms from foreign competition. Protectionist trade...
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Answered by Kathryn C. • Economics tutor
7261 Views

What are barriers to entry?

A barrier to entry is an obstacle that prevents a new entrant from joining a market. They exist within both oligopolistic and monopolistic market structures. Barriers to entry matter because in the short run...
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Answered by Kathryn C. • Economics tutor
21552 Views