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Hunter-Best [27]
3 years ago
5

Suppose y varies directly with x. Write a direct equation that relates x and y when y = 125 and x = -5. Then find y when x = 12.

Mathematics
1 answer:
Lostsunrise [7]3 years ago
8 0

Answer:

The answer for y is -300.

Step-by-step explanation:

It's -300 because when you divide 125 by -25 you get -5 for the first y and x. So for the next one you just get 12 times -25 to get -300 and that's how you get your y.

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Which value, when placed in the box, would result in a system of equations with infinitely many solutions?
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Answer:

<h2>If we placed the number 10 in the box, we obtain a system of equations with infinitely many solutions.</h2>

Step-by-step explanation:

The given system is

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<em>It's important to know that a system with infinitely many solutions, it's a system that has the same equation</em>, that is, both equation represent the same line, or as some textbooks say, one line is on the other one, so they have inifinitely common solutions.

Having said that, the first thing we should do here is reorder the system

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This way, you can compare better both equations. If you look closer, observe that the second equation is double, that is, it can be obtained by multiplying a factor of 2 to the first one, that is

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Step-by-step explanation:

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