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krok68 [10]
3 years ago
7

Perform the operation. (4x² + 8) + (-8x2 – 5x + 2)

Mathematics
2 answers:
Travka [436]3 years ago
7 0

Answer: −

-4x^2-5x+10

Step-by-step explanation:

Step2247 [10]3 years ago
6 0

Answer: -4x^2 -5x + 10

Step-by-step explanation:  

Simplify the expression.

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Nitella [24]
Hi,
The answer is 8(6/9) = 6(8/9) as both are equal to 48/9 = 16/3

Hope this helps! If you’d like further explanation please let me know.
5 0
3 years ago
I have 2 mor quizzes of this assiment day 1 of trying to start 9th grade language arts
Scilla [17]

The change in temperature is -28°F

So, Option D is correct.

Step-by-step explanation:

Temperature at day time = 72°F

Temperature at night = 44°F

What number represents the change in number?

Change in temperature = Temperature at night - Temperature at Day

Change in temperature = 44°F-75°F

Change in temperature = -28°F

The change in temperature is -28°F

So, Option D is correct.

Keywords: Solving Expressions

Learn more about Solving Expressions at:

  • brainly.com/question/9045597
  • brainly.com/question/3739260
  • brainly.com/question/13168205

#learnwithBrainly

3 0
4 years ago
What does a markdown in math mean?
oee [108]
A markdown in math is basically a decrease in whatever numbers you are working with. 
5 0
3 years ago
Use the distance formula to find the distance between the two coordinate point (round to the nearest the third). Coordinates: (-
mafiozo [28]

The distance is 10 units

7 0
3 years ago
In the interval 0 degrees < x < 360 degrees, find the values of x for which tan x = 2.7475. Give your answers to the neare
LuckyWell [14K]

Answer:

<em>Thus, the values of x are 70° and 250°</em>

Step-by-step explanation:

<u>Trigonometric Functions</u>

The tangent is defined as:

\displaystyle \tan\theta=\frac{\sin\theta}{\cos\theta}

Given a value for the tangent, there are two angles with the same tangent, one of them being \theta and the other \theta+180°.

We are given:

\tan x=2.7475

The angle is the inverse tangent:

x=arctan (2.7475)

Using a scientific calculator, we find the first angle:

x=70°

The second angle is found adding 180°:

x=70°+180°=250°

Thus, the values of x are 70° and 250°

8 0
3 years ago
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