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fiasKO [112]
3 years ago
5

What is the sum of the two polynomials?

Mathematics
1 answer:
Yanka [14]3 years ago
4 0

Given:

The two models for the two polynomials.

To find:

The sum of the given polynomials.

Solution:

From the given figure, it clear that

\text{First polynomial}=a^2+a+2

\text{Second polynomial}=-a-1

Adding both polynomials, we get

Sum=a^2+a+2+(-a-1)

Sum=a^2+a+2-a-1

Sum=a^2+1

Therefore, the correct option is A.

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{(4x+2y=6),(-2x+2y=18):} Solve by using the elimination method
Degger [83]

Answer:

\displaystyle [-2, 7]

Step-by-step explanation:

You want to eradicate one pair of variables so they are set to zero. It does not matter which pair is selected:

\displaystyle \left \{ {{4x + 2y = 6} \atop {-2x + 2y = 18}} \right.

{½[4x + 2y = 6]

{−2x + 2y = 18

>> \displaystyle \left \{ {{2x + y = 3} \atop {-2x + 2y = 18}} \right. \\ \\ \frac{3y}{3} = \frac{21}{3} \\ \\ \\ y = 7

Plug this back into the system to get the x-value of \displaystyle -2.

I am joyous to assist you at any time.

4 0
2 years ago
Is the formula s=(n-2)180
Phantasy [73]

Answer:

Number of sides of the polygon

Step-by-step explanation:

The formula S=(n-2)180 is the sum of the measures of interior angles. So that's what S stands for. The only other variable remaining is n which is the number of sides of the polygon.

There's nothing I can do to help you understand this, you just have to memorize it.

5 0
3 years ago
Help will give Brainly points
Misha Larkins [42]

Answer:

no

Step-by-step explanation:

7 0
3 years ago
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Mrac [35]

Answer:

Step-by-step explanation:

5 0
2 years ago
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Wats the answer ~!!!!!!!
shtirl [24]
The answer is c. My dude good luck
6 0
3 years ago
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