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alisha [4.7K]
3 years ago
9

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

Mathematics
2 answers:
Pie3 years ago
7 0

Answer:

D

Step-by-step explanation:

\sqrt{18} +6 \sqrt{2} =\\\\\sqrt{3^{2}*2} +6 \sqrt{2}\\=\\3 \sqrt{2}+6 \sqrt{2}\\\\=9 \sqrt{2}

maria [59]3 years ago
4 0

Answer: Exact Form: 9√2

Decimal Form:

12.72792206

Explanation: Simplify each radical, then combine.

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