-2x -9y = -25
-(-4x -9y =-23)
2x = -2
x = -1
-2(-1) -9y = -25
2 - 9y = -25
-9y = -25 -2
-9y = -27
y = 3
(-1,3)
Answer:
y=55x
given y=385
x=gallons of gas = 385/55 = 7 gallons
inverse function
y=55x
change x to y and y to x
x=55y
y=x/55
inverse function is x/55
Step-by-step explanation:
Step-by-step explanation:
- (-2)4 = -8
- -8 +(-10)= -18
- -18 divide by -5= 18/5
Y=-3-6+78^34. mmHg gm JHVH
Answer: the answer is 12 dollars
Step-by-step explanation: turn the percent 15 into a decimal, then just multiply .15*80 to get your answer