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3 years ago

40. Danielle's living room is a rectangle with the dimensions 16 feet

Mathematics

2 answers:

sammy [17]3 years ago

7 0

Throw rug with diameter of 12 feet what is the approximate

dusya [7]3 years ago

5 0

Answer:

wanna be my friend cause you seem cool

Step-by-step explanation:

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liberstina [14]

it's either a or b, not sure but I think it's b

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3 years ago

NEED ANSWERS NOW!! (Reward) brainlest and pointsss

Misha Larkins [42]

Answer:

Step-by-step explanation:

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3 years ago

Factorize this expression completely <br>using (a-b)² formula<br>3a²- 36a + 108

Novosadov [1.4K]

Answer:

$3a^2 - 36a + 108 = (\sqrt{3}a - 6\sqrt{3} )^2$

Step-by-step explanation:

$3a^2 = (\sqrt{3} a)^2\\108 = 9 \times 4 \times 3= 3^2 \times 2^2 \times 3 = (3\times2 \sqrt{3} )^2 = (6\sqrt{3})^2$

$so, a = \sqrt{3} a \ , \ b = 6\sqrt{3} \\\\(a - b)^2 = a^2 -2ab + b^2\\\\-36a = -2ab\\\\-36a = -2 \times \sqrt{3} a \times 6\sqrt{3}$

Therefore ,

$3a^2 - 36a + 108 = (\sqrt{3}a )^2 - 2(\sqrt{3}a \times 6\sqrt{3} ) + (6\sqrt{3} )^2 = (\sqrt{3}a - 6\sqrt{3} )^2$

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3 years ago

Use the Law of Sines to solve for x. Round to the nearest whole number.

bagirrra123 [75]

Answer:

12.94

Step-by-step explanation:

By the law of sines:

x / sin(35) = 7.9 / sin70

x = 7.9 * sin(70)/sin(35)

= 7.9 * 0.9397 / 0.5736

= 12.94

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3 years ago

What can you tell about a triangle when given three side lengths?

Genrish500 [490]

Check whether it is possible to have a triangle with the given side lengths for example 7,9,13 then add any two sides and see if it is greater than the other side. Example the sum of 7 and 9 is 16 and 16 is greater than 13

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3 years ago