Answer:
Step-by-step explanation:
Given
![A = \left[\begin{array}{cc}-2&6\\3&5\end{array}\right]](https://tex.z-dn.net/?f=A%20%3D%20%5Cleft%5B%5Cbegin%7Barray%7D%7Bcc%7D-2%266%5C%5C3%265%5Cend%7Barray%7D%5Cright%5D)
Required
Determine the determinant
For a two by two matrix, A such that:
![A = \left[\begin{array}{cc}a&b\\c&d\end{array}\right]](https://tex.z-dn.net/?f=A%20%3D%20%5Cleft%5B%5Cbegin%7Barray%7D%7Bcc%7Da%26b%5C%5Cc%26d%5Cend%7Barray%7D%5Cright%5D)
The determinant |A| is:
So, in
The determinant is:
Answer:
0
Step-by-step explanation:
It is 0 due to indirect variation
The answer is 3. 1/3(x-5)= -2/3. Multiply by 3 on both sides. Add five and you get 3
Answer:
72 green marbles
Step-by-step explanation:
45 divided by 5 is 9 so 8 times 9 is 72
Given :
Every square meter of ceiling requires 10.75 tiles.
To Find :
Number of tiles required at :
Ceiling area Number of tiles
1
10
100
Solution :
For, 1 :
Number of tiles required, n = 10.75 tiles.
For, 10 :
Number of tiles required, n = 10.75 × 10 = 107.5 tiles.
For, 100 :
Number of tiles required, n = 10.75 × 100 = 1075 tiles.
Hence, this is the required solution.
