Answers>Maths>GCSE>Article

Given that y is directly proportional to square root of x and that y = 20 when x = 49 find an expression to represent x and y.

y = k √x20 = k √49 20/7 = ktherefore y = 20/7 √x

AP
Answered by Ann P. • Maths tutor

5638 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Work out the value of 2a^2 + b^3 when a = 5 and b = –3

Answered by Kyle M.

168 is 4/7 of a number. What is the number?

Answered by William L.

Factorise 2*x^2 - 4*x - 6

Answered by Chris T.

How do you factorise x^2 -4 = 0?

Answered by Jawad C.

We're here to help

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

Company Information

CareersBlogSubject answersBecome a tutorSchoolsSafeguarding policyFAQsUsing the Online Lesson SpaceTestimonials & pressSitemap

Popular Requests

Maths tutorChemistry tutorPhysics tutorBiology tutorEnglish tutorGCSE tutorsA level tutorsIB tutorsPhysics & Maths tutorsChemistry & Maths tutorsGCSE Maths tutors

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
CEOP logo
CLICK CEOP

Internet Safety

Sagepay logo

Payment Security

Cyber Essentials logo

Cyber

Essentials

Cookie Preferences