The sum of √18 and 6√2 is A. 7√20 B. 14√5 C. 15√2 D. 9√2

asked Aug 6, 2021 43.7k views

5 votes

The sum of √18 and 6√2 is
A. 7√20
B. 14√5
C. 15√2
D. 9√2

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3 votes

Answer:

Explanation:

$√(18) +6 √(2) =\\\\\sqrt{3^(2)*2} +6 √(2)\\=\\3 √(2)+6 √(2)\\\\=9 √(2)$

Tinika answered Aug 6, 2021

5.0k points

2 votes

Answer: Exact Form: 9√2

Decimal Form:

12.72792206

Explanation: Simplify each radical, then combine.

Robert Snyder answered Aug 10, 2021

4.0k points

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