x = 0.436363636... . Prove algebraically that x can be written as 24/55.

Let x = 0.436363636...
10x = 4.36363636....1000x = 436.36363636...990x = 432x = 432/990 = 24/55

HJ
Answered by Hoonsoo J. Maths tutor

4527 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

1


factorise x^2+10x+21


The nth term of a sequence is 7n-4. Write down the 4th term and the 10th term of the sequence. The first four terms of a different sequence are 9, 13, 17, 21. Find an expression for the nth term of this sequence.


Solve the following pair of simultaneous equations; 10x+4y=15, 2x+y=7


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences