Answer:
Step-by-step explanation:
False. If L does not equal W the diagonals are not perpendicular. If L=W then they are perpendicular but that is a square and a special case which is not always true of a rectangle.
Answer:
(8,-9)
Step-by-step explanation:
using the principle of vectors, you match each number to their coordinates and add them
so we have (7+1,-12+3)
which is equal to (8,-9)
Answer:
There is no numbers in your questions
Step-by-step explanation:
Put complete question next time in order for me to help
Answer:
Step-by-step explanation:
Givens:
Eq. 1 ) x + y = 5
Eq 2 ) x = 1 + y
plug x into Eq 1 from Eq 2
(1+y) + y = 5
algebra them out
2y = 4
y = 2
then
x + 2 = 5
x = 3
