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Which of the following is the best approximation of 15 times the positive square root of 33?

A. 78.5

B. 44.7

C. 156.2

D. 86.2

Answer Explanation:

we use the calculator to determine the positive square root of 33, which is then multiplied by 15.

Using the calculator,

Multiplying the square root above with 15 becomes

The approximate value is 86.2.

Therefore, the Correct Answer is D.

More Questions on TEAS 7 Math

  • Q #1: Soft Drinks Orange Two 24-packs for $20; one 24-pack for $15 Root Beer One 24-pack for $18 Cream Soda One 12-pack for $10 A consumer needs to purchase at least 60 soft drinks for a picnic. Which of the following combinations is the most cost-effective?

    A. 2 packs of Orange and 1 pack of Cream Soda

    B. 3 packs of Orange

    C. 2 packs of Root Beer and 1 pack of Cream Soda

    D. 5 packs of cream Soda

    Answer Explanation

    To find the cheapest option, we find the amount the consume will spend for each option given.:

    2 packs of Orange and 1 pack of Cream Soda will cost $20 + $10 = $30

    3 Packs of Orange will cost $20+$15=$35

    2 packs of Root Beer and 1 pack of Cream Soda will cost 2($18)+$10= $46

    5 packs of cream Soda will cost 5($10)=$50

    From the above evaluation, the cheapest option will cost the consumer $30.

    Thus, buying 2 packs of Orange and 1 pack of Cream Soda will be cheaper to purchase compared to other options.

  • Q #2: Which of the following is the equivalence in kilograms for 300 lb? (2.2 lb=1 kg)

    A. 136.4 lb

    B. 156.3 lb

    C. 240.5 lb

    D. 126.2 lb

    Answer Explanation

  • Q #3: Which of the following is the best approximation of 4 times the positive cube root of 23?

    A. 12.7

    B. 11.4

    C. 16.2

    D. 96.7

    Answer Explanation