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There is an oil tank that has a rectangular base of dimensions 2.4 m by 1.5 m. The tank is filled with oil of density 850 kg / m3 to a depth of 1.5 m. What is the mass of the oil?

2.41.51.5*850=4590kg

4077 Views

y is inversely proportional to d^2 and when d = 10, y = 4. d is directly proportional to x^2 and when x = 2, d = 24. Find a formula for y in terms of x. Give your answer in its simplest form.

Firstly, find proportionality equation between the two variables. This should be shown as d = kx^2 and y = b/d^2.Solve to find constants of proportionality of a=6 and b=400. Eliminating for d, find that y...

Answered by Jiangying (Susan) C. • Maths tutor

5358 Views

Outline and explain two push factors in rural to urban migration.

One push factor may be a lack of health and education services in rural areas. For example, in the UK many small towns and villages lack a hospital or secondary school, meaning people have to travel in or...

Answered by Isabelle C. • Geography tutor

4487 Views

How would you differentiate between the hypotenuse, opposite and the adjacent in a triangle?

Firstly, in a right angled triangle, the side opposite the right angle is always the hypotenuse which is the longest side in a right angle triangle. Secondly, the side opposite the given angle is your opp...

Answered by Jenny C. • Maths tutor

3778 Views

What are the most important differences between the American President and the British Prime Minister?

There are a few important differences we need to understand between the President and the Prime Minister. These are probably the two most important and if you remember them you will be doing well.
F...

Answered by James G. • Government and Politics tutor

22173 Views