2 years ago

Which of the following equations is of the 2nd degree complete?

Mathematics

1 answer:

Komok [63]2 years ago

4 0

Answer:

it's D

Step-by-step explanation:

i just know what I am talking about

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Using Triangle Similarity Theorems (6)

Fantom [35]

Answer:

DC = 3

Step-by-step explanation:

Based on triangle similarity theorem, we would have the following equation:

$\frac{AD}{AC} = \frac{AE}{AB}$

Plug in the values

$\frac{9}{9 + DC} = \frac{12}{12 + 4}$

$\frac{9}{9 + DC} = \frac{12}{16}$

$\frac{9}{9 + DC} = \frac{3}{4}$

Cross multiply

3(9 + DC) = 9×4

27 + 3DC = 36

Subtract 27 from each side

3DC = 36 - 27

3DC = 9

Divide both sides by 3

DC = 9/3

DC = 3

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2 years ago

A triangle has sides with lengths in centimeters that are consecutive even whole numbers. the perimeter of the triangle is 186 c

lianna [129]

186/3=62
a possible answer could be 60, 62, 64.

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2 years ago

What is the second derivative of 3secx?

7nadin3 [17]

Hope this helps you.

3 0

3 years ago

The Jansen family drove a total of 240 miles on their road trip. This distance is 5 times the distance they drove on the first d

kompoz [17]

Answer:

48 miles

Step-by-step explanation:

240/5 = 48

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2 years ago

How to solve in fraction 123

Art [367]

I'm not sure I'll DM u when I get it

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3 years ago