3 years ago

Describe the error in the work shown!!!! will take short answers !!! desperate

Mathematics

2 answers:

ANTONII [103]3 years ago

5 0

In the last equation it hast to be on the bottom 43 not just 4

lukranit [14]3 years ago

3 0

y^12 should be written as the cube of y^4th power, so that everything is the same.The cube root of y^12 is y^4.The final should be 4th power instead of y^3.

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What is the result if 3x-9 is evaluated when x = -5?

never [62]

Where you see an x in the expression replace it with -5

3(-5) - 9

Using the rules of PEMDAS simplify

-15 - 9

-24

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7 0

3 years ago

Write the augmented matrix for the system of linear equations. (Do not perform any row operations.)

kvv77 [185]

Answer:

Step-by-step explanation:

To create an augmented matrix, we need to transfer the coefficients of each system of equations into its respective place in the matrix. The first row will be the coefficients of the first equation and so on. The number to the right of the equals sign is the last column of the augmented matrix.

$\left[\begin{array}{ccc|c}1&-1&8&8\\3&-9&1&-1\\8&1&0&0\end{array}\right]$