Answer:
it's false
the true is -1/2
Step-by-step explanation:
-5/2-2+4=-1/2
Answer:
Is a consistent independent system
Step-by-step explanation:
we have
-----> isolate the variable y
----> equation A
-----> isolate the variable y
---> equation B
Compare equation A and equation B
We can affirm that
The slopes are not equal ( so the lines are not parallel)
The lines are different
The product of their slopes is equal to -1 (the lines are perpendicular)
so
The system of equations has only one solution
therefore
Is a consistent independent system
They get carbon dioxide out of the air
they give us oxygen
they are beautiful and provide homes and food for animals
Hope this helped