Answer:
Josh is wrong.
Step-by-step explanation:
5^-x / 5^x = 5^(-x-x) = 5^-2x
= 1 / 5^2x
(you subtract the exponents when dividing )
So Josh is wrong ( he would be correct if we were multiplying)
5x + 2y =9
X + y= -3
5x+2y=9
2x+2y=-6
__________
3x =15
X =5
5+y=-3
Y=-8
Answer is : (5,-8)
Answer:
- 2
Step-by-step explanation:
5x + 3x = - 10 - 6
8x = -16
x = -2
Answer:
it is 4 if you needed which of the 2
Answer:
Choice A ; Choice B
Step-by-step explanation:
x < 365
x ∈ ( -oo ; 365 )
Solutions :
x = 99
x = 361
