Answer:
the marked answer is correct
Step-by-step explanation:
The desired end result is an identity matrix in the first three columns. The diagonal values are 1, as needed, so what remains is to eliminate the off-diagonal values. In row 2 that can be done by adding row 3 to it.
The next step should be to add rows 2 and 3 and replace row 2 with that sum.
Answer:
4th option
Step-by-step explanation:
The given expression is:

In order to simplify this expression we have to multiply and divide it with the conjugate of the denominator i.e multiply and divide the entire expression with
, as shown below:

Thus, 4th option gives the correct answer.
D i'm only typing this because it's gotta be 20 characters
3x+9 is the answer x is the quantity and its tripled and more than 9
Answer:
Hello! :) I hope I’m correct!!
Step-by-step explanation:
I think the answer should be 395.20
Price= 380.00
Sales tax= 4% (15.20)
The total price will be 395.20
If SP = Rs 380 and sales tax is 4% then the amount of sales tax is 395.20
Therefore the answer will be 395.20
Hope this helps!
If you have any questions, then feel free to ask them! :)
By: BrainlyAnime! ^-^