A winning $125 lottery ticket is shared with a number of people. Represented by the equation xy =125. Does this represent a dire
1 answer:
Answer:
This represent an inverse variation
Step-by-step explanation:
Given : A winning $125 lottery ticket is shared with a number of people.
Represented by the equation xy =125.
To Find : Does this represent a direct variation or an inverse variation?
Solution :
We are given a relation
So, x and y has an inverse relation
Hence this represent an inverse variation
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Answer:
4: 3
Step-by-step explanation:
In this case, we have that there is a relationship between width and height, which is 16: 9, which means that any screen that has the same ratio would be an identical screen.
How would we do this? it must either be raised to a power or rationalized on both sides of the ratio.
If we raise to a power, it would give very large dimensions for an HDTV, therefore, it is best to remove the square root on both sides, since it has more common values for a TV.
4: 3
Therefore, a 4: 3 screen is a good choice for an HDTV with the same ratio.