Answer:
6.15*x + 7.65y = 50.28
x = 4/5*y
The solution is: x = 3.2 ∧ y = 4
Answer:
a^-7
Step-by-step explanation:
you would subtract the powers
-13 - -6 = -7
Answer:
True
Step-by-step explanation:
Bcs, in the equation x+(-x)=0 you do x-x ( which is basically x+ -x) and they cancel each other out. This means your equation is 0=0
I think it’s 4.5
Hope this helps
3.9 is your answer hope it helps