Rational Number Arithmetic

Last updated over 4 years ago
13 questions
1

Select all the true statements.

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A heron is perched in a tree 50 feet above sea level. Directly below the heron, a pelican is flying 17 feet above sea level. Directly below the birds is a trout, swimming 23 feet below sea level. Select all the true statements.

1

Let x=

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Let x= -11/8 and y= -11/4 WHich expression has a negative value?

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The table shows transactions from five different bank accounts. Fill in the missing number for account 2.

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The table shows transactions from five different bank accounts. Fill in the missing number for account 3.

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The table shows transactions from five different bank accounts. Fill in the missing number for account 4.

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The table shows transactions from five different bank accounts. Explain what each of the numbers -10, -20, and -30 tells you about Account 5.

1

Jada walks up to a tank of water that can hold up to 10 gallons. When it is active, a drain empties water from the tank at a constant rate. When Jada first sees the tank, it contains 7 gallons of water. Three minutes later, the tank contains 5 gallons of water. At what rate is the amount of water in the tank changing? Use a signed number, and include the unit of measurement in your answer.

1

Jada walks up to a tank of water that can hold up to 10 gallons. When it is active, a drain empties water from the tank at a constant rate. When Jada first sees the tank, it contains 7 gallons of water. Three minutes later, the tank contains 5 gallons of water. How many more minutes will it take for the tank to drain completely? Explain or show your reasoning.

1

Jada walks up to a tank of water that can hold up to 10 gallons. When it is active, a drain empties water from the tank at a constant rate. When Jada first sees the tank, it contains 7 gallons of water. Three minutes later, the tank contains 5 gallons of water. How many minutes before Jada arrived was the water tank completely full? Explain or show your reasoning.

1

Evaluate:

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Evaluate: