What is the value of x if (15*sqrt(x)) / sqrt(5) = 6*sqrt(5)

Note: sqrt means square root, and * means multiply method (overall aim is to make x the subject): multiply both sides by sqrt(5) to get: 15 * sqrt(x) = 6 * 5further expand the right hand side to get: 15 * sqrt(x) = 30divide both sides by 15 to get: sqrt(x) = 2square both sides to find x: x = 4answer: 4

CA
Answered by Catherine A. Maths tutor

3771 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

What is algebra used for?


Given a right-angled triangle with an angle of 35 degrees and an Opposite side of 12cm, calculate the length of the hypotenuse to 3 significant figures.


Aidan, Emily and Seth shared some sweets in the ratio 2 : 7: 4 Seth got 16 more sweets than Aidan. Work out the total number of sweets they shared.


How do you expand (2x-1)(3x+4) using the FOIL method?


We're here to help

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

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning