Consider the operation is .
Given:
The augmented matrix below represents a system of equations.
To find:
Matrix results from the operation .
Step-by-step explanation:
We have,
After applying , we get
Therefore, the correct option is A.
Answer:
x=121.5
Step-by-step explanation:
Angle at the center =2 times angle at the circumference
Total angle at the center =360
Angle left=360-117=243
243/2=121.5
Answer:
56
Step-by-step explanation:
80 x (7 / 10) = 56
Answer:
2/5
Step-by-step explanation:
i think are there chooses