C: is the speed of light (3*10^8 m/s) and it is squared (raised to the power 2) in this equation.
98 divided by 2 equals 49
55 divided by 5 equals 11
Given:
y is proportional to x.
y=10 and x=8.
To find:
The constant of proportionality and the equation for the proportional relationship.
Solution:
y is proportional to x.

...(i)
Where, k is the constant of proportionality.
Putting y=10 and x=8, we get



Putting
in (i), we get

Therefore, the contestant of proportionality is
and the equation for the proportional relationship is
.
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