Question

Variations
Just to double check my answer

Answer 1

Given s varies directly w^n and s=6 when w=1.
Find the value of n when s=150 and w=5.

Answer 2

\[s = kw^n\]Now sub \(s = 6, w =1\).\[6 = k\cdot 1^n = k\]\[\Rightarrow k = 6\]\[150 = 6\times 5^n\]\[n = \cdots\]

Answer 3

\[n=2\]

Answer 4

Good.

Answer 5

Thank you @ParthKohli :)

Answer 6

i learn a faster way from u :)
before that,i use elimination method to solve the answer
Thnx @ParthKohli

Answer 7

Oh, I don't know what that is! But it's nice to hear you took something!

Answer 8

Thnx ^_^