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alina1380 [7]
3 years ago
8

When solving systems of equations with the elimination

Mathematics
1 answer:
viktelen [127]3 years ago
4 0

Step-by step explanation:

That's a great question. Look for things such as these:

x=x (infinite solution)

x=12 (one solution)

x+3 = x + 5 (no solutions)

https://youtu.be/bq5gDsEdN3Q this video has more information, copy and paste the link into your search engine.

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At 1:00 pm the water level in a pool is 13 inches. At 1:30pm the water level is 18 inches. At 2:30pm the water level is 28 inche
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From the given question we come to know of certain number of facts and they are:
At 1:00 PM the water level of the pond was = 13 inches
At 1:30 PM the water level of the pond was = 18 inches
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From the above given facts we can easily find the amount of water changing every half an hour.
Amount of increase in water from 1:00PM to 1:30 PM = (18 - 13) inches
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Amount of increase in water level from 1:30PM to 2:30PM = (28 -18) inches
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From the above two deductions we can come to the conclusion the the constant rate of change in water level is 5 inches for every half an hour.
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