Answer:
-
Step-by-step explanation:
Given the 2 by 2 matrix
The determinant = ad - bc
For the given matrix
a = , b = , c = , d = , thus
ad - bc = × - ( × ) = - = -
Answer:
its 2
Step-by-step explanation:
because 2*2*2 is 8
Answer: true
Step-by-step explanation: first you divide its circumference by pi, which you then get 17.990. Round it to 18. Then use the diameter (18) and divide it by 2. You get 9.
Answer: -2
Step-by-step explanation: