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Solve the simultaneous equation. 2x + y = 7 and 3x - y = 8

There are few ways to carry out the following question. Elimination and substitution are the two main methods. To carry out elimination you will need to focus on the similar terms, in the question this would...
CD
Answered by Charlotte D. • Maths tutor
10260 Views

Give two reasons why people continue to live in areas at risk from hazard events. (4)

For this question it is important to explain which hazardous event you are discussing. People often continue to live in volcanic environments because of the nutrients in the soil which are good for farming a...
HC
Answered by Helen C. • Geography tutor
21777 Views

Why is surface area to volume ratio bigger in smaller animals and vice versa?

In surface area to volume ratio (SA:Vol) we are comparing the outside surface area of an object to its internal volume. So imagine 3 rubber balls, one's small, one's medium, one's large. The smallest ball ha...
CN
Answered by Charlotte N. • Biology tutor
87348 Views

Solve the simultaneous equations: 3x + 2y = 9 and x + 7y = 22.

A simultaneous equations can be solved in multiple ways. You are probably familiar with substitution and elimination. Today, we will focus on substitution. As you can see, both equations represent a relation...
SD
Answered by Sara D. • Maths tutor
6140 Views

How do I put a verb into the future tense?

To put French verbs into the future there are special endings. The good news is they're quite straightforward. For regular verbs you need to take the infinitive, which will end in either -ER, -RE, or -IR, an...
AC
Answered by Aidan C. • French tutor
3296 Views