Approximate the principal square root. Round to the nearest thousandth.

A. 4.469
B. 4.477
C. 20.000
D. 4.472

Answer: D

Mathematics

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A.
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A. (1, 5) B. (1, 1) C. infinite number of solutions D. no solution

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Write the sentence as an equation. Let the variable x represent the number.The sum of twice a number and 5 is 9.

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