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Step-by-step explanation:
as W is directly proportional to T therfore
W=kT
where k is the parportionality constant
when w=20 ,t=4 then k=
20=k×4
k=5
value of w when T=6
w=kt
w=5×6
w=30
value of t when w=45
w=kt
45=5t
t=9
Answered by
2
Answer:30 and 9
Step-by-step explanation:
W is proportional to t
If at w=20 t=4
So if t=6
W=6x20/4=30
If w=45
T=45x4/20=9
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