Number Sense - Math 7 Accelerated

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Quizzes Created: 9 | Total Attempts: 5,260
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  • 1/16 Questions

    A ___________ number is a number that can written as a ratio of two integers.

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Number Sense - Math 7 Accelerated - Quiz
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  • 2. 

    Which of the following numbers are irrational?

    Correct Answer(s)
    A.
    A.
    A. 0.121121112...
    Explanation
    The number 0.121121112... is irrational because it cannot be expressed as a fraction of two integers. It is a repeating decimal where the pattern of digits 121 repeats indefinitely. Since the pattern does not terminate or repeat in a predictable manner, it cannot be represented as a fraction and is therefore irrational.

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  • 3. 

    Sally deposited $85 in her local bank which pays 4% interest. Select the equations that will help Sally calculate her bank balance after one year. Assume she doesn't make any new deposits during the year.

    Correct Answer(s)
    A.
    A.
    Explanation
    To calculate Sally's bank balance after one year, we need to consider the interest earned on her deposit. The equation that represents the interest earned is: Interest = Principal * Rate * Time. In this case, the principal is $85, the rate is 4% (or 0.04 as a decimal), and the time is 1 year. Therefore, the equation that will help Sally calculate her bank balance after one year is: Balance = Principal + Interest.

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  • 4. 

    Which of the following numbers are irrational?

    Correct Answer(s)
    A.
    A.
    A. 0.121121112...
    Explanation
    The number 0.121121112... is irrational because it cannot be expressed as a fraction of two integers. It is a repeating decimal with a repeating pattern of 1211, which does not terminate or repeat in a predictable manner. Therefore, it falls into the category of irrational numbers.

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  • 5. 

    Hank just finished his meal at a restaurant and received the $26 bill. He would like to leave a 10% tip to show his appreciation for the great service.Select all equations that would help Hank calculate his total bill including tip.

    Correct Answer(s)
    A.
    A.
    A.
    Explanation
    The correct answer is:
    Total bill including tip = Bill + (Bill * 0.10)

    This equation correctly calculates the total bill including a 10% tip. It takes the bill amount and adds 10% of the bill amount to calculate the tip. Then, it adds the tip to the bill amount to get the total bill including tip.

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  • 6. 

    Which of the following numbers are rational?

    Correct Answer(s)
    A.
    A.
    A.
    Explanation
    The number 0.121121112... is rational because it can be expressed as a fraction. To determine this, we can observe that the number has a repeating pattern, with the digits 1 and 2 repeating in a specific sequence. By representing this pattern as a fraction, we can express it as 121/999, which is a ratio of two integers. Therefore, 0.121121112... is rational.

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  • 7. 

    Hank just finished his meal at a restaurant and received the $28 bill. He would like to leave a 15% tip to show his appreciation for the great service.Select all equations that would help Hank calculate his total bill including tip.

    • Number Sense - Math 7 Accelerated - Quiz

    • Number Sense - Math 7 Accelerated - Quiz

    • Number Sense - Math 7 Accelerated - Quiz

    • Number Sense - Math 7 Accelerated - Quiz

    • None of these choices.

    Correct Answer(s)
    A.
    A.
    A.
  • 8. 
    Write the repeating decimal  as a simplified mixed number. - ProProfs

    Write the repeating decimal  as a simplified mixed number.

    Correct Answer(s)
    1 11/90
    1 11/90
  • 9. 
    Write the repeating decimal  as a simplified mixed number. - ProProfs

    Write the repeating decimal  as a simplified mixed number.

    Correct Answer(s)
    1 5/18
    1 5/18
  • 10. 
    12 markers cost $9. Which fraction will complete the proportion to find the cost of 15 markers? - ProProfs

    12 markers cost $9. Which fraction will complete the proportion to find the cost of 15 markers?

    • Number Sense - Math 7 Accelerated - Quiz

    • Number Sense - Math 7 Accelerated - Quiz

    • Number Sense - Math 7 Accelerated - Quiz

    • Number Sense - Math 7 Accelerated - Quiz

    • None of these choices.

    Correct Answer
    A.
  • 11. 

    Sally deposited $94 in her local bank which pays 5% interest. Select the equations that will help Sally calculate her bank balance after one year. Assume she doesn't make any new deposits during the year.

    Correct Answer(s)
    A.
    A.
    Explanation
    To calculate Sally's bank balance after one year, we need to use the equation for calculating compound interest. The equation is A = P(1 + r/n)^(nt), where A is the final amount, P is the principal amount (initial deposit), r is the interest rate, n is the number of times the interest is compounded per year, and t is the number of years. In this case, the principal amount is $94, the interest rate is 5%, and since it is not mentioned how many times the interest is compounded, we cannot determine the value of n. Therefore, the equation that will help Sally calculate her bank balance after one year is A = 94(1 + 0.05)^t.

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  • 12. 

    All rational numbers are also whole numbers.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    This statement is false because not all rational numbers are whole numbers. Rational numbers include fractions and decimals that can be expressed as a ratio of two integers, while whole numbers include only positive integers and zero. Therefore, there are rational numbers that are not whole numbers, such as 1/2 or 3.14.

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  • 13. 

    Are all integers whole numbers?

    • Yes

    • No

    Correct Answer
    A. No
    Explanation
    -5 is an integer, but it's not a whole number.

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  • 14. 
    Complete the proportion.13 markers cost $14. Which fraction will complete the proportion to find the cost of 7 markers? - ProProfs

    Complete the proportion.13 markers cost $14. Which fraction will complete the proportion to find the cost of 7 markers?

    • Number Sense - Math 7 Accelerated - Quiz

    • Number Sense - Math 7 Accelerated - Quiz

    • Number Sense - Math 7 Accelerated - Quiz

    • Number Sense - Math 7 Accelerated - Quiz

    • None of these choices.

    Correct Answer
    A. None of these choices.
  • 15. 
    Write the repeating decimal  as a simplified mixed number. - ProProfs

    Write the repeating decimal  as a simplified mixed number.

    Correct Answer
    1 137/990
    1 137/990
  • 16. 
    Write the repeating decimal  as a simplified mixed number. - ProProfs

    Write the repeating decimal  as a simplified mixed number.

    Correct Answer
    1 23/495
    1 23/495

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  • Current Version
  • Oct 22, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 23, 2015
    Quiz Created by
    Tjzerrer
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