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Lilit [14]
2 years ago
5

Simplify the polynomial (4n² + 3n – 5) − (2n² + 3n - + 6)

Mathematics
1 answer:
Veseljchak [2.6K]2 years ago
7 0

Answer:

2n² + 1

Step-by-step explanation:

Given polynomial:

(4n² + 3n – 5) − (2n² + 3n - 6)

Solution:

Removing parentheses,we obtain

  • 4n {}^{2}  + 3n - 5 - 2n {}^{2}  - 3n + 6

Combine like terms:

  • 4n { }^{2}  - 2n {}^{2}  + 3n - 3n - 5 + 6
  • 2n { }^{2}  + 0 + 1
  • \boxed{2n {}^{2}  + 1}

Done!

Order:BPEMDAS

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Please help. I’ll mark you as brainliest if correct!
chubhunter [2.5K]

Answer:

\boxed{\sf \ \ \ f^{-1}(x)=1+\sqrt{x} \ \ \ }

Step-by-step explanation:

the minimum of f is for x = 1 and f(1)=0

f is decreasing for x<=1 and increasing for x>=1

so the domain is [1;+\infty[

f^{-1}(f(x))=x =f^{-1}((x-1)^2)\\\\f(f^{-1}(x))=x=(f^{-1}(x)-1)^2

x>=1 so x is positive and we can take the square root

so f^{-1}(x)=1+\sqrt{x}

8 0
3 years ago
If 5+20-22-3x = 10-2-2x + 5, what is the value of x?<br> -3<br> -2<br> 2<br> 3
Olegator [25]

Answer:

-10

Step-by-step explanation:

3 0
3 years ago
What solid figure has five faces and five vertices? rectangular prism cone triangular prism square pyramid
Marizza181 [45]

Answer:

Square pyramid

Step-by-step explanation:

The flat square on the bottom is 1 face and there are 4 triangle faces.

The flat square on the bottom has 4 vertices and there is the pointy 1 at the top that holds the 4 triangles.

Hope dis helps,

Have a great day.

8 0
3 years ago
Read 2 more answers
Write twenty billion,one million thirty thousand and one as a number
Semmy [17]

Answer:

20,001,030,001

5 0
3 years ago
Read 2 more answers
The heights, in inches, of five people on a basketball team at listed below 65, 58, 64, 61, 67 explains the meaning of the meani
zhenek [66]

Using it's concept, it is found that the mean absolute deviation of 2.8 means that the heights differ from the mean by an average of 2.8 inches.

<h3>What is the mean absolute deviation of a data-set?</h3>

  • The mean of a data-set is given by the sum of all observations divided by the number of observations.
  • The mean absolute deviation of a data-set is the sum of the absolute value of the difference between each observation and the mean, divided by the number of observations.
  • The mean absolute deviation represents the average by which the values differ from the mean.

In this problem, the mean is given by:

M = (65 + 58 + 64 + 61 + 67)/5 = 63.

Hence the mean absolute deviation is given by:

MAD = (|65-63| + |58-63| + |64-63| + |61-63| + |67-63|)/5 = 14/5 = 2.8.

The mean absolute deviation of 2.8 means that the heights differ from the mean by an average of 2.8 inches.

More can be learned about mean absolute deviation at brainly.com/question/3250070

#SPJ1

8 0
2 years ago
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