Answer:
A
Step-by-step explanation:
Please give brainliest!
If the value of |A| is 48 the possible values for x in the matrix is 4 or -2.
<h3>How to use determinant to find a value in a matrix?</h3>
The determinant of the matrix A is as follows:
|A| = 48
Therefore,
48 = (3x × 2x) - (4x × 3)
48 = 6x² - 12x
6x² - 12x - 48 = 0
3x² - 6x - 24 = 0
x² - 2x - 8 = 0
x² + 2x - 4x - 8 = 0
x(x + 2 -4(x + 2) = 0
(x - 4)(x +2) = 0
Therefore,
x = 4 or -2
learn more on determinant here: brainly.com/question/19206601
1 2/3 + 2 2/3 = 4 1/3
1 2/5 + 3 2/5 = 4 4/5
hope this helps
Answer:
6.50x+3.99
Step-by-step explanation:
every order of sweat shirts is charged 3.99
each individual sweatshirt costs 6.50 therefore x being the number purchased times 6.50 is the cost of the sweatshirts that plus the 3.99 is your total cost