2a+3=s
I used the first letter of the name, or you can use x and y in place of a and s
210 because 7th graders washed 12 cars, 8th graders washed 14 cars, 6th graders washed 16 cars. Added all together and multiplied by 5, it equals 210
15.28 I think it is the answer bc it said total so u add all the numbers. I added them and it gave me 15.28
Answer:
Gimnazjum?
Również twoje pytanie jest trudne dla ludzi, którzy mówią po angielsku ...
Answer:
symmetric matrix is the square matrix and it is equal to its transpose
Step-by-step explanation:
solution
a symmetric matrix is the square matrix and it is equal to its transpose
As A is symmetric matrix then
A = 
here only square matrices will be symmetric
and matrix A is symmetric its mean its matrices have equal dimension
and every square diagonal matrix is also symmetric when all off diagonals element is zero
symmetric matrix for all indices i and j
A = aij = aji