M7 Proportions Practice Quiz

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  • 1/7 Questions

    If the diameter of a circle is 12m, what is the radius of that circle?

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M7 Proportions Practice Quiz - Quiz
About This Quiz

The M7 Proportions Practice Quiz assesses understanding of basic mathematical proportions, including solving proportions, calculating tips, and understanding relationships in geometry like circle dimensions. This quiz is ideal for enhancing practical math skills and knowledge.

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  • 2. 

    A proportion is a set of two equal ____.

    Explanation
    A proportion is a set of two equal fractions or ratios. In a proportion, the numerators and denominators of the fractions or ratios are equal to each other. This means that the given answer, which includes both "fractions" and "ratios," is correct.

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  • 3. 
    What is the area of a circle with a circumference of ? - ProProfs

    What is the area of a circle with a circumference of ?

    Correct Answer
    A.
    Explanation
    If the circumference is 12pi, then the diameter is 12. The radius is 6. Area is pi times the radius squared. THe radius squared is 36. The answer is 36pi.

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  • 4. 
    Complete the proportion.8 markers cost $7. What is the cost of 13 markers? - ProProfs

    Complete the proportion.8 markers cost $7. What is the cost of 13 markers?

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    • None of these choices.

    Correct Answer
    A.
    Explanation
    The cost of 13 markers can be found by setting up a proportion. We can write the ratio of the cost of 8 markers to the cost of 13 markers as 8/13. Since we know that 8 markers cost $7, we can set up the proportion as 8/13 = 7/x, where x is the unknown cost of 13 markers. To solve for x, we can cross-multiply and find that 8x = 91. Dividing both sides by 8, we find that x = 11.375. Therefore, the cost of 13 markers is $11.375.

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  • 5. 
    Solve the proportion. - ProProfs

    Solve the proportion.

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    • None of these choices.

    Correct Answer
    A.
  • 6. 

    Hank just finished his meal at a restaurant and received the $22 bill. He would like to leave a 20% 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
    To calculate the total bill including tip, Hank needs to add the tip amount to the original bill amount. Since he wants to leave a 20% tip, he can use the equation: Tip amount = 0.2 * bill amount. Once he calculates the tip amount, he can add it to the original bill amount to get the total bill including tip.

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  • 7. 

    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.
    A.
    Explanation
    The equation that will help Sally calculate her bank balance after one year is B = P(1 + r), where B is the bank balance, P is the initial deposit, and r is the interest rate. In this case, B = 85(1 + 0.04).

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Quiz Review Timeline (Updated): Mar 19, 2023 +

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  • Current Version
  • Mar 19, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 24, 2015
    Quiz Created by
    Tjzerrer
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