10349258
Descripción
Test por Tracy Rains, actualizado hace más de 1 año
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Creado por Tracy Rains
hace más de 7 años
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Pregunta 1
Pregunta
Solve: 2w + 15 = 3w - 9
Respuesta
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w = -24/5
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w = 24
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w = -24
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w = -6
Pregunta 2
Pregunta
Solve:10 - 4b = 2(b + 1)
Respuesta
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b = -3
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b = -⅔
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b = 9
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b = 7
Pregunta 3
Pregunta
When solving 14k = 168 2 + 7k, the answer is k = 12.
Respuesta
- True
- False
Pregunta 4
Pregunta
Solve: 10d / 2 = 3d + 18
Respuesta
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d = 9
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d = -9
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d = 9/4
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d = 9/7
Pregunta 5
Pregunta
When solving -8y - 24 = - 3y + 11, the answer is y = 7.
Respuesta
- True
- False
Pregunta 6
Pregunta
22 - 8x = 6(3 + 2x)
Respuesta
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x = ⅕
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x = 9
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x = 5/2
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x = 4
Pregunta 7
Pregunta
Sally & Louis are racing on scooters. Sally can go at 15 meters per minute, and Louis is going 18 meters per minute. Sally starts a little bit ahead at 15m in front of the starting line and Louis starts right on the starting line. After how many minutes will Sally & Louis be side by side? Let x stand for how many minutes.
Respuesta
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18x = 15x
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18x = 15x + 15
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18x + 15 = 15x + 15
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18x -15 = 15x + 15
Pregunta 8
Pregunta
You decide to start using public transportation to get around. There are two different methods to pay. One method is to pay $2.00 per ride. The other method is to buy a monthly pass for $25 and then be charged just $0.50 per ride. After how many rides are these two options the same amount of money? Let x stand for the number of rides on the bus.
Respuesta
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$2.00 * 25 = $0.50x
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$2.00x = $0.50x - $25
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$2.00x = 25x + .50x
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$2.00x = $0.50x + 25
Pregunta 9
Pregunta
Which operation is an inverse operation to multiplication?
Respuesta
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addition
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subtraction
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squaring
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division
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