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Which of the following is the best approximation of 5 times the positive square root of 29?

A. 100.0

B. 44.7

C. 20.5

D. 26.9

Answer Explanation:

 we use the calculator to determine the positive square root of 20, which is then multiplied by 20.

Using the calculator,

 

Multiplying the square root above with 5 becomes

The approximate value is 26.9.

Therefore, the Correct Answer is D.

More Questions on TEAS 7 Math

  • Q #1: John’s uncle is twelve less than five times John’s age. Which of the equations represents John’s uncle’s age (u) as it relates to John’s age (k)?

    A. u = 12-5k

    B. k = 5u-12

    C. k = 12-5u

    D. u = 5k-12

    Answer Explanation

    We are asked to determine John’s uncle’s age relating to John’s age.

    First, express John’s uncle’s age in terms of John’s age as follows

    John’s age=k

    John’s uncle’s age, u = 5k-12.

    Thus, the relationship between Japheth’s uncle’s age to that of Japheth is u=5k-12.

  • Q #2: Which of the following is the decimal form of 58.7%?

    A. 0.587

    B. 5,870

    C. 5.87

    D. 587

    Answer Explanation

    percentages are fractions with denominator equal to 100. To get the decimal form of the percent given, e divide the value by 100.

    The decimal form of 58.7% is 0.587.

  • Q #3: Which of the following is an appropriate unit of measure to express the length of a door?

    A. Liters

    B. Kilometers

    C. Millimeters

    D. Meters

    Answer Explanation

    The length of the door could be appropriately measured in meters. Kilometers are used to measure long distances while millimeters could be used to measure the length of very small objects. However, liters are used to measure the volume of liquids or objects.