360 - 20 + 2x = 360
340 + 2x = 360
2x = 20
x = 10
Answer:
because this is equal to the given matrix, the given matrix is symmetric.
Step-by-step explanation:
A symmetric matrix is a square matrix which has same number of rows and columns. Square matrix is equal to transpose. Equal matrices have equal dimensions. The given matrix is symmetric because the rows and columns are equally distributed.
Answer:
Miguel runs 1/6 miles per minute
Step-by-step explanation:
Answer:
10 m
Step-by-step explanation:
A square has all equal side lengths. If that is the case, the we have 4 sides that equal each other:
x + x + x + x = 40 m
4x = 40m
x = 10m
So each side is 10 m long.
The answer is 77 but i don't see it as an option here ;/
