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Alexus [3.1K]
3 years ago
9

Check my last question is u want 10 pts

Mathematics
1 answer:
larisa [96]3 years ago
4 0
Ok..................
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Kamal wrote the augmented matrix below to represent a system of equations
ra1l [238]

Consider the operation is R_2\to -3R_2.

Given:

The augmented matrix below represents a system of equations.

\left[\left.\begin{matrix}1&0&1\\1&3&-1\\3&2&0\end{matrix}\right|\begin{matrix}-1\\-9\\-2\end{matrix}\right]

To find:

Matrix results from the operation R_2\to -3R_2.

Step-by-step explanation:

We have,

\left[\left.\begin{matrix}1&0&1\\1&3&-1\\3&2&0\end{matrix}\right|\begin{matrix}-1\\-9\\-2\end{matrix}\right]

After applying R_2\to -3R_2, we get

\left[\left.\begin{matrix}1&0&1\\-3(1)&-3(3)&-3(-1)\\3&2&0\end{matrix}\right|\begin{matrix}-1\\-3(-9)\\-2\end{matrix}\right]

\left[\left.\begin{matrix}1&0&1\\-3&-9&3\\3&2&0\end{matrix}\right|\begin{matrix}-1\\27\\-2\end{matrix}\right]

Therefore, the correct option is A.

3 0
3 years ago
What is the inverse of the function
OleMash [197]

Answer:

second option

Step-by-step explanation:

let y = f(x) and rearrange making x the subject, that is

y = x - 9 ( add 9 to both sides

y + 9 = x

Change y back into terms of x with x = f^{-1} (x) , then

f^{-1} (x) = x + 9

6 0
3 years ago
(ASAP)<br> Solye for n.<br> 24 = 3(n – 5) <br> n=
Paul [167]

Answer: can u check out the image cuz the answer is in the photo and hope this helps can u give me brainliest

Step-by-step explanation:

24=3(n-5)

Distribute.

24=3(n) + 3(-5)

24 = 3n -15

Add 15 to both sides.

39 = 3n

Divide both sides by 3.

n = 13.

I hope this helps!.

6 0
3 years ago
Help! Need answers ASAP
andrew11 [14]

Answer:

B

Step-by-step explanation:

7 0
4 years ago
Consider the polynomial function P(x)=2x⁴ +3x²+12.Find P(−2).
notka56 [123]

Answer:

The value will be 56

Step-by-step explanation:

We have given polynomial P(x)=2X^4+3X^2+12

We have to find P(-2)

For finding  P(-2) we have to put x = -2 in the polynomial

So P(-2) = 2\times (-2)^{4}+3\times (-2)^2+12=32+12+12=56

So value of P(-2) will be 56

For finding  any value we have to just put that value in the polynomial

3 0
3 years ago
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