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What is the equation of the straight line perpendicular to the midpoint of the straight line that passes through (0,5) and (-4,7)?

Firstly, it's important to note that the question concerns straight lines, so it will be possible to express the answer in the form y=mx+c where m is the gradient and c is the y-intercept.To start, we need t...
AL
Answered by Adam L. • Maths tutor
4296 Views

Pourquoi est-ce que la musique est si populaire ? A votre avis, l’influence de la musique, est-elle positive ou négative ?

La musique a de tous temps fait partie intégrante des cultures, ralliant les sociétés par-delà les castes, les clivages politiques ou les conflits religieux. Je défendrai l'influence bénéfique de la musique ...
GP
Answered by Gaspard P. • French tutor
3167 Views

James wins the lottery and gets £200,000. He decides to spend 10% of his winnings and invest the rest. From the money he has invested, he receives interest of 3% per year. How much money does James have after 5 years (to the nearest pound)?

James starts with £200,000. He then spends 10% of his winnings: 200,000*(1-0.1)=180,000 The 1 represents 100%, which the amount of money James starts with. He then spends 10%, which is represented by the -0....
EH
Answered by Edward H. • Maths tutor
3668 Views

Describe the working memory model of memory (6 marks)

The working memory model was proposed by Baddeley and Hitch in 1974. They thought there were 3 different stores for short term memory; the phonological loop, the visuospatial sketchpad, and the central execu...
NB
22501 Views

How should a business market a product that has price-inelastic demand and a high income elasticity of demand? (9 marks)

Price-inelastic demand refers to products which demands don’t change as the price of the product changes. This usually means that the product is either a necessity and there aren’t many alternatives or it is...
NB
7006 Views