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2 years ago

6

A scale model of a building 6 inches wide and 14 inches tall. If the original building is 21 feet tall, how wide is the building

?

2 answers:

Ber [7]2 years ago

5 0

Answer: The building would be 11 inches wide

Step-by-step explanation:

WARRIOR [948]2 years ago

4 0

La gente de que se han dicho no se ha dado el médico de la vuelta a las dos de vuelta de las puertas del

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Determine whether 81 − 49n4 is a difference of two squares. If so, factor it. If not, explain why.

Mumz [18]

We have

$81-49n^4=9^2-(7n^2)^2$

so this is indeed a difference of squares. Factorizing would give

$81-49n^4=(9-7n^2)(9+7n^2)$

making the answer D.

We can further factor the first term here and write

$9-7n^2=3^2-(\sqrt 7\,n)^2=(3-\sqrt7\,n)(3+\sqrt7\,n)$

but that's clearly out of the scope of this question.

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3 years ago

Complete the table below.

Nana76 [90]

Angle 1 is 122 degrees bc of vertical angle
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2 years ago

27, 15, 10, 19, 24, 21, 28, 16, Find the mean absolute deviation

Brums [2.3K]

Im pretty sure the answer is 20

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2 years ago

Determine which answer is reasonable to 4.8 times 9.2<br><br>A. 14<br>B. 45.36<br>C. 432<br>D. 470.4

aev [14]

B. is reasonable because 9.2×4.8 = 44.16

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3 years ago

The hypotenuse is 8 inches. The side opposite angle X is 7 inches. Angle X = ?

Alex73 [517]

Step-by-step explanation:

In the picture.

The answer is <em><u>X = 61°</u></em>

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3 years ago