The mean of 5 numbers is 42. The 5 numbers are 45,29,63,42 and X. Find the value of X.

42 x 5 = 210.

45+29+63+42 = 179.

210 - 179 = 31

X = 31

Answered by Joseph F. Maths tutor

2968 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

If f(x)=(x-2)^2, determine the gradient of the tangent to the curve f(x) at x=-2.


Solve (x + 2)(x+3) = (2x+4)


Draw a graph of x = (y+4)/4.


In the isosceles triangle ABC, AB=AC and angle B=(3x +32)degrees and angle C=(87-2X)degrees


We're here to help

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

© MyTutorWeb Ltd 2013–2024

Terms & Conditions|Privacy Policy