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3 years ago

5

PLSS HELP Sarah left the boat dock and sailed 5 miles due east. She turned and then sailed 10 miles due north. About how far is

Sarah from the boat dock?
Group of answer choices
10 miles

9 miles

15 miles

11 miles

1 answer:

Sever21 [200]3 years ago

7 0

Answer:

I believe the answer is 11 miles

Step-by-step explanation:

I drew the problem out and used the Pythagorean theorem and got 11.2

Hope this helps you!

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Step-by-step explanation:

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Cloud [144]

$7\sqrt{3}- 4\sqrt{6} + \sqrt{48} - \sqrt{54}$ simplified as $11\sqrt{3}- 7\sqrt{6}$ or $1.909$ .

<u>Step-by-step explanation:</u>

We need to Simplify seven square root of three end root minus four square root of six end root plus square root of forty eight end root minus square root of fifty four. Which is equivalent to $7\sqrt{3}- 4\sqrt{6} + \sqrt{48} - \sqrt{54}$ :

$7\sqrt{3}- 4\sqrt{6} + \sqrt{48} - \sqrt{54}$

⇒ $7\sqrt{3}- 4\sqrt{6} + \sqrt{48} - \sqrt{44}$

⇒ $7\sqrt{3}- 4\sqrt{6} + \sqrt{16(3)} - \sqrt{9(6)}$

⇒ $7\sqrt{3}- 4\sqrt{6} + 4\sqrt{(3)} - 3\sqrt{(6)}$

⇒ $11\sqrt{3}- 4\sqrt{6}- 3\sqrt{(6)}$

⇒ $11\sqrt{3}- 7\sqrt{6}$

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⇒ $11(1.723)- 7(2.449)$

⇒ $1.909$

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