Answer:
To know the distance between the sun and the earth you need isolate d of the equation:
and the additional information needed is the velocity of light and the time elapsed to be in the earth
Monica paid sales tax of $105 when she bought a new TV. If the sales tax is 5%, what was the cost of the TV?
1 answer:
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y=kx and y= are two equations of constant of proportionality
Step-by-step explanation:
There are two equations for the constant of proportionality. That is
(i) Direct proportion
(ii) Inverse proportion
In direct proportion y=kx, Now
if x increases, then y also increases and if x decreases, then y also decreases. So, k is a constant proportionality.
In Inverse proportion y=, Now
if x increases then y decreases and if x decreases, then y increases and k is a constant proportionality.
In direct proportion, we put y=1 and x=2, So k=.
So, the equations y=kx and y= are two equations of constant of proportionality.