Top answers

Work out 3 3/4 x 2 6/7 giving your answer as a mixed number in its simplest form.

change mixed numbers into improper fractions 3 3/4 = 12/4 + 3/4 = 15/4 4 6/7 = 14/7 + 6/7 = 20/7 2) multiply improper fractions(15 x 20) / (4x7) = (300) / (28) 3) simplify 75/7 4) convert into mixed number10...
VH
Answered by Vincent H. • Maths tutor
3837 Views

factorise: 12y^2 -20y+3

12y^2-2y-28y+32y(6y-1)-3(6y-1)(2y-3)(6y-1)
KI
Answered by Khansa I. • Maths tutor
3139 Views

Nadia has £5 to buy pencils and rulers. Prices: Pencils - 8p each Rulers - 30p each She says, "I will buy 15 pencils Then I will buy as many rulers as possible With my change I will buy more pencils." How many pencils and how many rulers does she

£5 = 500 p 1 Pencil = 8p1 ruler= 30p If she is buying 15 Pencil , it will be= 8 *15= 120p, 380 p remains ( 500p-120p= 380p) 360p / 30 = 12 rulers this will give you a change of 20 p , 20/8 ( price for a penc...
KI
Answered by Khansa I. • Maths tutor
7941 Views

Solve x^2-x-12=0

x 2 - x - 12 = 0Factorise to get (x-4)(x+3)=0This gives (x-4)=0 or (x+3)=0So x=4 or x=-3
HS
Answered by Hursh Singh A. • Maths tutor
3120 Views

Find the values of x such that: (log3(81)+log2(32))/(log2(x)) = log2(x) (5 marks)

log 3 (81) = 4 , log 2 (32) = 59/log 2 (x) = log 2 (x)9 = (log 2 (x)) 2 3 = log 2 (x) , -3 = log 2 (x)x = 8 , x = 1/81 mark per line
IE
Answered by Iver E. • Maths tutor
4911 Views