Top answers

Maths
GCSE

Find the value of (81)^(-1/2)

1/9

Answered by Ben H. Maths tutor
5389 Views

3 1/2 - 2 1/3

Firstly we need to change each fraction into improper fractions. 7/2- 7/3then we need to give each fraction a common denominator. In this case we will use sixths. 21/6 - 14/6. Ans: 7/6

Answered by Juliette T. Maths tutor
2331 Views

2(y+3) = 10. What is y?

So to start this question, we must multiply out the bracket as follows:2 x (y+3) = 10(2 x y) + (2 x 3) = 102y + 6 = 10Now we take away 6 from both sides of the equation:2y + 6 = 10 (NOW TAKE AWAY 6)2y = 4...

Answered by Sophie E. Maths tutor
4259 Views

P has coordinates (0, -1) and Q has coordinates (4, 1). a) Find the equation of line PQ. b) P and Q are two vertices of rectangle PQRS. Find the equation of line QR.

a) y = x/2 - 1 b) y = -2x + 9

Answered by Jules B. Maths tutor
6091 Views

5 tins of soup have a total weight of 1750 grams. 4 tins of soup and 3 packets of soup have a total weight of 1490 grams. Work out the total weight of 3 tins of soup and 2 packets of soup.

5 tins of soup have a total weight of 1750 grams.
--> from this, we can calculate the total weight of 1 tin of soup, with 1750÷5 = 350 grams
4 t...

Answered by Eszter S. Maths tutor
4195 Views

We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo
Cookie Preferences