Answer:
C. Yes, because A does not have a pivot position in every row.
Step-by-step explanation:
The pivot position in the matrix is determined by entries in non zero rows. The pivot position may be in the row or a column. By Invertible Matrix Theorem the equation Axequalsb has non trivial solution. A has fewer pivot positions therefore A is not invertible. Ax will map RSuperscript into real numbers for n times. A has pivot position if left parenthesis bold x right parenthesis.
Answer:
just focus on breathing and not stressing. dont focus on any last minute revision as this probably wont be useful. try drinking some water
5w-3 > -29
Add 3 at both sides
5w > -26
Divide 5 at both sides
w > -26/5
Answer:
Step-by-step explanation:
hypotenuse is double the shorter length.
hypotenuse=2×7=14 in
