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Afina-wow [57]
3 years ago
7

The two triangles are similar, What is the length of DE?

Mathematics
1 answer:
horsena [70]3 years ago
7 0
<h2>Answer:</h2>

This is easy. All you need to do is set up a <u><em>proportional relationship</em></u>.

A proportional relationship uses variables to show similarities, in this case, in triangles.

\frac{2}{3} = \frac{x}{6.3}\\\\3x = 12.6\\\\x = 4.2

<u><em>x</em></u> represents the missing side.

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Three roots of a fifth degree polynomial function f(x) are -2, 2, and 4 + i. Which statement describes the number and nature of
Juli2301 [7.4K]

We know that imaginary roots always come in pairs, so we already know 4 solutions

-2, 2, 4 + i and a pair of 4 + i

Since imaginary roots always come in pairs we wont have more than 2 imaginary roots, since its a fifth degree root and we can only have 5 roots

So for sure, we will have 3 real roots and 2 imaginary roots

Last option, f(x) has three real roots and two imaginary roots

3 0
3 years ago
The perimeter of a​ standard-sized rectangular rug is 2828 ft. the length is 22 ft longer than the width. find the dimensions.
o-na [289]
X + x + 22 + x + x + 22 = 2828
4x + 44 = 2828
4x = 2784
x = 696 ft
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3 0
3 years ago
If you had a bad day, Here is some free points.
OverLord2011 [107]

Answer:

thank you

Step-by-step explanation:

4 0
3 years ago
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Diameter from least to greatest a 4.375 X 10 -1 little number inches b 0.25 inches c 1.5 inches d 1 7/8 inches e 1.428x 10 -1 li
Tanzania [10]
Prrtty sure the answer is 12
5 0
3 years ago
What should we subtract from 50/29 to get 24
Scrat [10]

Answer:

-22.28

Step-by-step explanation:

Let the number to be subtracted from 50/29 to get 24 to be x

So this can be written as : 50/29 - x =24 ----collect like terms as

50/29 - 24 = x

1.72 -24 = x

-22.28 = x

So to check the answer;

50/29 -{x} = 24

50/29 - {- 22.28} = 24

1.72+ 22.28 = 24 ---correct.

7 0
2 years ago
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