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Explain what an eco town is, including an example

Ecotown's are a government scheme initiated in 2007, with the plan to build 10 eco towns by 2020. Their role is to ease the adorability crisis and develop more places to live that are eco-friendly, whilst...

Answered by Molly L. • Geography tutor

4551 Views

Was machst du gerne in deiner Freizeit?

In meiner Freizeit spiele ich gerne Fußball. Am Wochenende spielt mein Verein oft gegen andere Vereine in Punktspielen. Manchmal schaue ich, nachdem ich meine Hausaufgaben gemacht habe, Fernsehen. Wenn me...

Answered by Ann-Michelle M. • German tutor

6922 Views

p(x)=2x^3 + 7x^2 + 2x - 3. (a) Use the factor theorem to prove that x + 3 is a factor of p(x). (b) Simplify the expression (2x^3 + 7x^2 + 2x - 3)/(4x^2-1), x!= +- 0.5

(a) The factor theorem states that: the polynomial f(x) has a factor (x - a) if and only if f(a) = 0.Use that information, we know that (x + 3) is a factor of p(x) if p(-3) = 0. So let's test it:p(-3) = 2...

Answered by James M. • Maths tutor

10073 Views

There are a collection of CDs. There are 2 Rock CDs, x Pop CDs and 2x + 5 Jazz CDs. A CD is chosen at random, the probability that it is Rock is 1/20. Work out the probability it is Jazz.

To answer this question first we need to work out how many CDs we have in total. We do this by adding up the number of CDs in each category:Total = 2 + x + 2x + 5.
We can simplify this to give:Total ...

Answered by James M. • Maths tutor

7923 Views

A circle is touching a square. The area of the square is 64 cm^2. Work out the area of the circle.

The first step of looking at a question like this is to highlight all the important information in the question. We are told that the square has an area of 64 cm² so what can we infer about the...

Answered by James M. • Maths tutor

16522 Views