3 years ago

Plz answer correctly I don’t wanna fail plz answer!!!!!not much!!!!!!!

Mathematics

1 answer:

Triss [41]3 years ago

6 0

I’m pretty sure yes it is

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Determine if the columns of the matrix form a linearly independent set. Justify your answer. Choose the correct answer below. A.

kondaur [170]

Th matrix is missing. The matrix is :

$\begin{bmatrix}1 &-4 &4 \\ -4 &16 & 4 \end{bmatrix}$

Solution :

The column of the matrix are $\begin{bmatrix}1\\ -4\end{bmatrix}$ , $\begin{bmatrix}-4\\ 16\end{bmatrix}$ , $\begin{bmatrix}4\\ 4\end{bmatrix}$

Now each of them are vectors in $IR^2$ . But $IR^2$ has dimensions of 2. But there are 3 column vectors, hence they are linearly dependent.

Therefore, the column of the given matrix does not form the $\text{linearly independent set}$ as the set contains $\text{more vectors}$ than there are entries in each vector.

Therefore, option (D) is correct.

4 0

3 years ago

Please help I need the right answer and I will mark you as brainlist if done right

Mademuasel [1]

(-3,1) is the answer.

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3 years ago

If y = 124 and x = 12, find y when x = -24.

tatyana61 [14]

Answer:

y = -248

Step-by-step explanation:

Hi there!

Set up a proportion:

$\displaystyle\frac{124}{12} =\frac{y}{-24}$

Cross-multiply:

$12y=(-24)(124)\\12y=-2976\\y=-248$

I hope this helps!

7 0

2 years ago

The calculated average of a data set best describes which of the following? (4 points) Group of answer choices Mean Median Mode

OleMash [197]

Answer:

Its A: Mean

Step-by-step explanation:

Mean means average in a set of data

8 0

3 years ago

Solve for x: x2 = 16

Paha777 [63]

Answer:

Step-by-step explanation:

to get x alone you divide the 2 away on both sides, getting x = 8. To check multiply 8 by 2 and you get 16.

Hope this helps!

7 0

2 years ago

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