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shepuryov [24]
3 years ago
7

Find the root 2x2 + x-4 = 0

Mathematics
1 answer:
Aneli [31]3 years ago
7 0

Answer:4

Step-by-step explanation:

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Can two obtuse angles be complementary
Norma-Jean [14]

Complementary angles are angles that add up to 90 degrees. 

Obtuse angles are greater than 90 degrees, so there's no way
to add two of them together and get a sum that's smaller than
either one already is. 

The answer to the question is 'No'.
8 0
3 years ago
-28-(-16)= What is the answer
Finger [1]

Answer:

-12

Step-by-step explanation:

<u>Step 1:  Find the answer </u>

Subtracting a negative number is same as adding a positive number

-28 - (-16)

-28 + 16

-12

Answer:  -12

3 0
3 years ago
9. Solve for x,<br>9x - 25<br>5x + 7<br>N​
kati45 [8]

Answer:

x = 8

Step-by-step explanation:

Simplifying

9x + -25 = 5x + 7

Reorder the terms:

-25 + 9x = 5x + 7

Reorder the terms:

-25 + 9x = 7 + 5x

Solving

-25 + 9x = 7 + 5x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-5x' to each side of the equation.

-25 + 9x + -5x = 7 + 5x + -5x

Combine like terms: 9x + -5x = 4x

-25 + 4x = 7 + 5x + -5x

Combine like terms: 5x + -5x = 0

-25 + 4x = 7 + 0

-25 + 4x = 7

Add '25' to each side of the equation.

-25 + 25 + 4x = 7 + 25

Combine like terms: -25 + 25 = 0

0 + 4x = 7 + 25

4x = 7 + 25

Combine like terms: 7 + 25 = 32

4x = 32

Divide each side by '4'.

x = 8

Simplifying

x = 8

7 0
3 years ago
use the tangent ratio to find the missing leg of the right triangle estimate your answer to two decimal places
Oksi-84 [34.3K]

Answer:

y = 5.595090517 or approximately 5.6

Step-by-step explanation:

Tan47 = 6/y

y x Tan47/Tan47 = 6/Tan47

y = 5.595090517 or approximately 5.6

5 0
3 years ago
An asset is something...
IceJOKER [234]

Answer:

The Answer is Something owned.

Step-by-step explanation:

please give brainliest.

5 0
3 years ago
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