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Explain what is meant by episodic, semantic, and procedural memory.

These are all types of long-term memory. Episodic memory is our memory store for personal events, it is our ability to recall memories from our daily lives. It is like a diary, memories are time stamped and ...
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Answered by Kate B. • Psychology tutor
13406 Views

Why do we bother using surds?

Surds are exact - they can’t be rewritten as a decimal or fraction without introducing a rounding error. If we’re using numbers in a calculation, keeping them as exact as possible until we round to the requi...
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Answered by Alice D. • Maths tutor
5241 Views

Show that the two vectors A= 2i+3j-k and B=3i-j+3k are perpendicular

We know that two vectors are perpendicular when their dot product is equal to 0. As you can see from the SQA Higher Maths formula sheet, the equation for the dot product is; A.B=a1b1+a2b2+a3b3. To answer thi...
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Answered by Samantha C. • Maths tutor
6881 Views

You are on holiday in an Italian speaking country. On your personal blog you post a message about someone you have just met. In your blog entry you explain: • three details about this person • where you met • what you have been doing together

Oggi ho incontrato una ragazza in un bar a Roma. Stavo andando per prendere un café ed lei si è sbatuta contro di me e per scusarsi mi ha preso un café. Abbiamo parlato e siamo diventati amiche. E poi era l'...
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Answered by Sabina D. • Italian tutor
1659 Views

How do I solve x^2 > 6 - x

To solve this question we want to find the range of values that x can be to make the statement true. First we must treat it like a normal quadratic equation and move all of the values onto one side like so: ...
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Answered by Ben H. • Maths tutor
4614 Views