Answers>Maths>GCSE>Article

z = 3x + 5y, if x = 7 and z = 41, what is 2y?

z = 3x + 5y 41 = 3(7) +5y 41= 21 + 5y 20 = 5y 4 = y y = 4 2y = 8

HA
Answered by Hannah A. • Maths tutor

3618 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

n is an integer such that 3n + 2 < 14 and 6n/(n^2+5) > 1. Find all possible values of n.

Answered by Kai P.

How do you solve a quadratic equation? eg: x^2 + 2x - 8

Answered by Ahad K.

y is inversely proportional to d^2 and when d = 10, y = 4. d is directly proportional to x^2 and when x = 2, d = 24. Find a formula for y in terms of x. Give your answer in its simplest form.

Answered by Jiangying (Susan) C.

Show me why the product of a squared and a cubed is a to the power of 5.

Answered by Leon M.

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