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Was kauft man in der Bäckerei? A. Ein Fernseher B. Brötchen C. Ein Kleiderschrank

B. Brötchen
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Answered by Rebecca R. • German tutor
2596 Views

In a sale, the original price of a bag was reduced by 1/5. The sale price of the bag is £29.40. Work out the original price.

We currently have 80% of the original price and aim to find 100%. We know that 80% is equal to £29.40. Dividing £29.40 by 80 gives the value of 1% which is £0.3675. Multiplying this by 100 give the desired 1...
OB
Answered by Oliver B. • Maths tutor
14488 Views

c is a positive integer. Prove that (6c^3 + 30c) / (3c^2 +15) is an even number.

We aim to factorise the numerator. This would give 6c(c^2 + 5). We then factorise the denominator. This would give 3(c^2 + 5). Since (c^2 + 5) is present in both the numerator and denominator, it will cancel...
OB
Answered by Oliver B. • Maths tutor
9293 Views

What determines whether something is acidic or basic?

The pH of a particular substance depends on the functional groups that it has within its structure. What is a functional group? A functional group is a group of atoms and bonds within a molecule. The way the...
EA
Answered by Emily A. • Chemistry tutor
18121 Views

What evidence is there to show that global warming exists?

There are several things that prove global warming is an existing problem. One of the main pieces of evidence is the rise in global temperatures. The increased production of greenhouse gases has resulted in ...
SK
Answered by Shahari K. • Geography tutor
3282 Views