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How would you solve 4x > 7 - 10x ?

When solving an inequality, you want to get all of the x terms on one side, just like when you're solving an equation. Therefore, adding 10x to each side would give us:4x (+10x) > 7 - 10x (+10x) which giv...
SG
Answered by Sarah G. • Maths tutor
3870 Views

How does Depuis work?

It affects the tense of the sentence. The constructions are different in French and English. In English, for example, we might say something like: 'I have been playing football for 5 years'. In French, we us...
GH
Answered by Guy H. • French tutor
6851 Views

Which of the Group 7 elements has the highest boiling point and why?

Iodine, because the forces between the iodine molecules are stronger than in the other halogens.
AI
Answered by Amaani I. • Chemistry tutor
9665 Views

Ed has 4 cards. There is a number on each card. Three of the numbers are 12, 6 and 15. The mean of the numbers is 10. What is the fourth number?

To find the mean you add all the numbers together and divide by the number of numbers. Call the fourth number x. Then we know that (12+6+15+x)/4 =10. then multiply both sides by 4 to get 12+6+15+x=40 which i...
SP
Answered by Sarah P. • Maths tutor
10674 Views

Factorise fully 6xyz + 24x^2yz + 18xy^3z^2

So we need to find common factors for each term: 6xyz, 24x 2 yz and 18xy 3 z 2 . Let's start with the numbers. Do the numbers 6, 24 and 18 have a common factor? Yes, 6 . If we take 6 out of the term we get: ...
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Answered by Tom L. • Maths tutor
4292 Views