3 years ago

Which one of the fololowing is equivalent to 9 1.5 =27

Mathematics

1 answer:

Papessa [141]3 years ago

5 0

27 is equivalent to the number 9

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kifflom [539]

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2 years ago

Mrs.walters buys 30 square feet of outdoor carpeting for her patio. If one side of the carpet is 6 feet what is the length of th

Reika [66]

Area = 30 square feet
length = 6 feet
width = ?

w × l = area
w × 6 = 30
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2 years ago

Simplify<br><br> sqrt(3 + 2 sqrt 2) ...?

trasher [3.6K]

The answer is 1 + √2

sqrt(2) is $\sqrt{2}$
sqrt(3 + 2 sqrt 2) is $\sqrt{3 +2 \sqrt{2} }$
Now, let's simplify $\sqrt{3 +2 \sqrt{2} }$ .
We will use square of sum: (a + b)² = a² + 2ab + b²

$\sqrt{3 +2 \sqrt{2} } = \sqrt{1+2+2 \sqrt{2} }= \sqrt{1+2 \sqrt{2}+2 }= \\ 
= \sqrt{1^{2} +2*1* \sqrt{2} + (\sqrt{2} ) ^{2} } = \sqrt{(1+ \sqrt{2}) ^{2}} =1+ \sqrt{2}$

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2 years ago

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2/3 divided into 4 groups, what fraction represents the answer to this question?

kondaur [170]

2/3 ÷ 4 = 2/3 * 1/4 = 2/12 = 1/6

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2 years ago

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IgorLugansk [536]

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