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How to multiply and divide mixed fractions

Multiply: First have to make the fraction whole. To do this we multiply the first number by the denominator. Then we add it to the numerator to get a top heavy fraction. Now we can simply multiply the two...

Answered by Daniel W. • Maths tutor

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Outline Bowlby’s evolutionary theory of Attachment

According to Bowlby, attachment is an innate behavioural system that has evolved because of its survival value. Bowlby posits a ‘sensitive period’, during which an infan...

Answered by Chloe B. • Psychology tutor

3493 Views

What is the difference between a one-tailed and two-tailed hypothesis? How Would you operationalise a hypothesis?

A one-tailed hypothesis predicts the direction of the results, whereas a two-tailed hypothesis does not. A two-tailed hypothesis simply states there will be an effect of the Inde...

Answered by Chloe B. • Psychology tutor

4467 Views

Water is flowing into a rightcircular cone at the rate r (volume of water per unit time). The cone has radius a, altitude b and the vertex or "tip" is pointing downwards. Find the rate at which the surface is rising when the depth of the water is y.

Always a good first step to a problem like this, is to draw a diagram, making sure to label any lengths. The unknown in this question, is the rate at which the surface of water, in the cone, is rising. Ho...

Answered by Joss O. • Maths tutor

3151 Views

I'm struggling to revise for the listening section of the exam? i.e how do I remember my score annotations?

It's all about making the connections between what you're hearing and what you understand is going on. Your A-Level Anthology should be heavily annotated with all important explanations in there. The best...

Answered by Cristina C. • Music tutor

3308 Views