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David Mageller

If you love what you do, you'll never work a day in your life - Someone

David Mageller's hourly rateΒ£2per hour
David Mageller's total answers42answers
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About

BSc Physics, University of Oxford

Education

University of Oxford logo

University of Oxford

Physics - 2:1

1987 - 1990

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Answers

ASKED BY ANDREEA

MATHS πŸ’―

What is 589 times 347?

correction: 204,383 πŸ™‚

ASKED BY ANDREEA

MATHS πŸ’―

What is 589 times 769?

this one is 452,941!

ASKED BY ANDREEA

MATHS πŸ’―

What is 589 times 347?

It’s 452,941

ASKED BY QUACKEN

BUSINESS πŸ‘”

What colour hair am I allowed as a flight attendant?

Airlines generally require flight attendants to have a β€œgroomed look that meets conventional standard”, as BA describes. β€œFor women, you will need t...

ASKED BY AJAY

MATHS πŸ’―

How do you simplify surds? Helpp!?

I can’t send pictures properly here so I thought I’d send you this link. It’s really helpful as a good intro to surds. Have a look! https://www.bbc....

ASKED BY NIKITA

ECONOMICS πŸ“ˆ

How is a current account impacted by injections?

Injections into the circular flow are additions to investment, government spending or exports so boosting the circular flow of income leading to a m...

ASKED BY EDIS

ECONOMICS πŸ“ˆ

What is the difference between internal and external economies of scale?

Internal economies of scale are firm-specific, or caused internally, while external economies of scale occur based on larger changes outside of the ...

ASKED BY EDIS

ECONOMICS πŸ“ˆ

Which type of firm faces the most competition and why? Is this good for economic efficiency?

Technically, firms in 'perfect competition' have the most amount of competition because the goods are identical and there are zero barriers to entry...

ASKED BY JEREMY

HISTORY πŸ•Œ

Who started work war 1?

The simplest answer is that the immediate cause was the assassination of Franz Ferdinand, the archduke of Austria-Hungary. His death at the hands of...

ASKED BY ABAS

ECONOMICS πŸ“ˆ

What is the meaning of the term economies of scale?

The text book definition is when "cost per unit falls as output rises." If Apple only produces one iPhone, it'll be pretty expensive as there are a ...

ASKED BY ABAS

ECONOMICS πŸ“ˆ

What is the meaning of the term diseconomies of scale?

The text book definition is when "cost per unit rises as output rises." I think there's an answer somewhere that explains economies of scale. The pr...

ASKED BY SHAKERA

FRENCH πŸ‡«πŸ‡·

How do you differentiate when to use the past imperfect and perfect tense?

You would use the perfect to talk or write about something which took place once in the past: 'I went to France last year'. You would use the imperf...

ASKED BY NADINE

ECONOMICS πŸ“ˆ

What are diseconomies of scale?

I take it your queston is asking what diseconomies of scale means? Sorry if I've got it wrong. I think there's an answer somewhere that explains eco...

ASKED BY NADINE

ECONOMICS πŸ“ˆ

How do you show revenue gain and revenue loss on both an inelastic and elastic demand graph ?

If I've understood your question correctly, you'd first need to understand how revenue could change: When demand is inelastic – a rise in price lead...

ASKED BY SELINA

MATHS πŸ’―

Why is √a√b equal to √ab?

The simplest way to do this is to take both expressions and apply the exact same transformation to each of them. If both answers are equal, then we ...

ASKED BY SHAHIR

ECONOMICS πŸ“ˆ

If on the PPF diagram, a point is not on the curve, but yet is allocatively efficient because customer demand is met, is the point still considered allocatively efficient?

If it’s within the curve, it cannot be allocatively efficient. Definitions are always really important for questions like this. Allocative Efficienc...

ASKED BY SHAHIR

ECONOMICS πŸ“ˆ

If on the PPF diagram, a point is not on the curve, but yet is allocatively efficient because customer demand is met, is the point still considered allocatively efficient?

If it’s within the curve, it cannot be allocatively efficient. Definitions are always really important for questions like this. Allocative Efficienc...

ASKED BY SHAHIR

ECONOMICS πŸ“ˆ

If on the PPF diagram, a point is not on the curve, but yet is allocatively efficient because customer demand is met, is the point still considered allocatively efficient?

If it’s within the curve, it cannot be allocatively efficient. Definitions are always really important for questions like this. Allocative Efficienc...

ASKED BY SAMMY

SCIENCE πŸ”¬

Describe the difference between a reflex action and a voluntary action?

A voluntary action is one that is consciously done. You want to pick something up, so you make the motion with your arm, hand (and even body) to rea...

ASKED BY SAMIYA

SCIENCE πŸ”¬

Explain all the positive effects of reducing energy consumption on the environment?

You can expand on these points in your answer, but here are some of the big things: 1. Reduces pollution 2. Fewer greenhouse gas emissions 3. Helps ...

ASKED BY SAMIYA

SCIENCE πŸ”¬

Explain all the positive effects of reducing energy consumption on the environment?

You can expand on these points in your answer, but here are some of the big things: 1. Reduces pollution 2. Fewer greenhouse gas emissions 3. Helps ...

ASKED BY DANNY

ART & DRAMA 🎨

What are the different types of stage directions?

There are quite a few stage directions. Here's a few: Proscenium stage: A stage where the audience sits on one side only is called a proscenium stag...

ASKED BY DANNY

ART & DRAMA 🎨

What are the different types of stage directions?

There are quite a few stage directions. Here's a few: Proscenium stage: A stage where the audience sits on one side only is called a proscenium stag...

ASKED BY HANNAH

CHEMISTRY βš›οΈ

What is the percentage yield formula?

The percentage yield is a way of comparing the actual yield with the predicted yield. It's calculated using a formula: percentage yield = (actual yi...

ASKED BY HANNAH

CHEMISTRY βš›οΈ

What is the percentage yield formula?

The percentage yield is a way of comparing the actual yield with the predicted yield. It's calculated using a formula: percentage yield = (actual yi...

ASKED BY NOOR

CHEMISTRY βš›οΈ

Explain what makes transition metal ions coloured?

The partially full d-orbitals in transition metals have energy splittings that happen to lie in the visible range. Depending on the arrangement of s...

ASKED BY NOOR

CHEMISTRY βš›οΈ

What are d-orbitals?

Orbitals contain two electrons, one or more orbitals make up subshells, one or more subshells make up a shell At GCSE you are usually told that elec...

ASKED BY ABDALLA

HISTORY πŸ•Œ

What are the key features of the New Economic Policy set in 1921 by Vladimir Lenin?

Though there a few different features, here's a few you can focus on: 1. The laws allowed the co-existence of private and public sectors. 2. The NEP...

ASKED BY NOOR

BIOLOGY 🌱

If the dominant allele determines the phnotype, then how do people get different coloured eyes?

If both parents' genes contain at least one allele which is recessive, it is possible for offspring of the parents to express a color determined by ...

ASKED BY NOOR

CHEMISTRY βš›οΈ

What is a dynamic equilibrium?

Some reactions are able to go in two directions; forward and reverse. They are known as reversible reactions. When the rate of the forward reaction ...

ASKED BY BAKKAR

GEOGRAPHY πŸ—Ί

What is the PAR model? Explain each step?

The Pressure and Release (PAR) model understands a disaster as the intersection between socio-economic pressure and physical exposure. It was develo...

ASKED BY BAKKAR

GEOGRAPHY πŸ—Ί

What is the PAR model? Explain each step?

The Pressure and Release (PAR) model understands a disaster as the intersection between socio-economic pressure and physical exposure. It was develo...

ASKED BY SAMMY

MATHS πŸ’―

How to calculate irrational Surds? (Steps of how to answer it)?

A number is described as rational if it can be written as a fraction (one integer divided by another integer), e.g. 5/7. The decimal form of a ratio...

ASKED BY HAMZA

SCIENCE πŸ”¬

I have a question about gcse chemistry. How is an emulsion of water and oil formed?

Oil is hydrophobic (water-hating) and water is hydrophilic (waster-loving). Under normal circumstances it is not possible to mix the two as they wil...

ASKED BY NASRA

SPANISH πŸ‡ͺπŸ‡Έ

What is the imperfect and perfect tense and how would you use it?

Spanish has two past tenses: preterite and imperfect. Most verbs can be put into either tense, depending upon the meaning. The preterite is used for...

ASKED BY OMAR

MATHS πŸ’―

A book has a font and a back and 400 pages.The front and back cover are each 0.9mm thick, measured to 1 decimal place. Each is 0.13mm thick measures to two decimal place. Calculate the minimum thickness of the book.Some working must be shown?

Since both the measurements are rounded, let’s first find out the smallest possible values they could have had before rounding. This would be findin...

ASKED BY NASRA

SOCIOLOGY 🀝

What is the Marxist perspective of crime?

Marxists essentially see crime and deviance as defined by the ruling class and used as a means of social control – if you don’t conform then you wil...

ASKED BY AMAR

MATHS πŸ’―

I need help on a maths question: A plane flies 300km from an airport, A, on a bearing of 240Β°.The plane turns and travels for 400km on a bearing of 050Β°. a) Using a scale of 1 cm to 50km, draw an accurate drawing of the flight path of the plane. b) What is the bearing that the plane must travel on to return to the airport?

In my answer, I will be assuming the bearing is relative, i.e. we figure out the bearing based on the current direction. I cannot upload a picture s...

ASKED BY SELINA

COMPUTER SCIENCE πŸ–₯

What is a serial bus?

A bus connects components of a computer, such as the CPU (central processing unit) and memory. In serial communication, data is sent one bit at a ti...

ASKED BY MAX

PHYSICS πŸš€

How do noise cancelling headphones work?

Noise cancelling headphones convert analog signals (audio sound) to digital signals using a mathematical formula called Fourier Transforms. The digi...

ASKED BY SELINA

HISTORY πŸ•Œ

Which revolution lead to the abolition of slavery in Haiti?

The Haitian Revolution

ASKED BY SELINA

CHEMISTRY βš›οΈ

Does red paint smell like blue paint?

They smell different. Red paint is made of Iron Oxide which has a distinct metallic smell. Blue paint is made from Copper compounds, which has a dif...

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