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notka56 [123]
4 years ago
11

Which system of equations is equivalent to this system?

Mathematics
1 answer:
Sergio039 [100]4 years ago
7 0

Answer:

Step-by-step explanation:

Which system of equations is equivalent to this system?

6x  + 4y = 126x  + 4y = 12

  3x + y = 8   3x + y = 8

−4x  + 4y = 48-4x  + 4y = 48

    3x + y = 8     3x + y =8

4x  + 4y = 484x  + 4y = 48

  3x + y = 8   3x + y = 8

<h2>2x  + 4y = 122x  + 4y = 12</h2><h2>   3x + y = 8</h2>
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73 is the sum of 8 and Greg's age.
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Answer:

Greg is 65

Step-by-step explanation:

73-8= Greg’s age which is 65

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4 years ago
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At the gym, Jasper was able to bench press 224 pounds, which was StartFraction 7 over 8 EndFraction of the weight that Balin was
myrzilka [38]

Answer:

Balin could bench press 256 pounds.

Step-by-step explanation:

Jasper was able to bench press 224 pounds, which is 7/8 of x, which is the weight that Balin was able to bench press. So, mathematically:

\frac{7}{8}x = 224

7x = 224*8

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3 years ago
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Step-by-step explanation:

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3 years ago
Dina discovered a water leak in her basement and called a plumber to fix and drain it. W(t) the amount of water in the basement
solniwko [45]

Answer:

x-intercept: The plumber drained all the water out after 9 hours.

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Increasing or decreasing interval: Over the first 5 hours, the leak just got bigger and bigger.

Step-by-step explanation:

W(t) is the amount of water in the basement. When W(t) = 0, there is no water in the basement. When W(t) = 0, W(t) is a x-intercept. So, x-intercept: The plumber drained all the water out after 9 hours.

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The water level keeps increasing until the relative maximum. That is at 5 hours when the water level is 70 liters. After that point, the water level decreases as the water is being drained until the water level is 0 at 9 hours. So, the increasing or decreasing interval: Over the first 5 hours, the leak just got bigger and bigger.

Hope this helps!

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