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Arnold wants to buy new pizza trays for his pizza restaurant. The trays individually have an area of 650cm3. He makes his pizzas so that they have a circumference of 94.25cm. Will one pizza tray be large enough to fit one of his pizzas?

GCSE MathematicsWe must work out the area of the pizza to work out if the pizza tray is large enough for it. (Calculator allowed)
1 . We know the circumference of a circle is equal to pi x diameter. ...

Answered by Tesni S. • Personal Statements tutor

1619 Views

Explain the statement that oligopolistic markets such as supermarkets or car manufacturers can be defined in terms of market structure or market conduct.

An oligopoly is a type of market structure in which there are few firms with large market share and degree of monopoly power. Car manufacturers and supermarkets are an example of that.
Oligopolies a...

Answered by Viviana C. • Economics tutor

11257 Views

Describe how the physical defences of human body prevent the invasion of microooragnisms which cause infections.

Our skin surrounds almost all parts of our body and can act as a mechanical barrier between microorganisms and our body. If the skin is damaged or cut, a scab will be formed to prevent microorganisms from...

Answered by Audrey T. • Biology tutor

2364 Views

How is the electrical activity of a heartbeat coordinated?

The heart is a muscle made up of myocytes, which can contract without any innervation or coordination. However, it is important that the heart contraction is controlled and regulated in a way which can re...

Answered by Naomi S. • Biology tutor

4517 Views

How to expand double brackets?

Use the FOIL method, first, outside, inside, last. 1) F: The first term in the first bracket multiplies the first term in the second bracket. 2) O: The first term in the first bracket jumps outside to mul...

Answered by Hannah T. • Maths tutor

2811 Views