When you use a tens fact you round to the nearest ten and 15-8=7. The nearest ten to seven is 10
Answer:10
Answer:
22
Step-by-step explanation:
can you give brainliest?
Yes, the inverse of a symmetric matrix is also symmetric.
Take the symmetric matrix A, we have:

and

This gives:

Using the properties:

and

We get:

Since

, we can perform the substitution to get:

Multiplying by

on both sides:



Proving that the inverse of a symmetric matrix is also symmetric.
A cube because it’s already square n can be cut in square cross sections