Answer:
3x-6 and the value of X is -3
Answer:
90
Step-by-step explanation:
The family filters 5 gallons per day, so can expect to use the filter for ...
(450 gal)/(5 gal/day) = 90 day
After 90 days of average water use, the family will need to replace the filter.
Answer:
x=-4/k
Step-by-step explanation:
Let's solve for x.
kx+8=4
Step 1: Add -8 to both sides.
kx+8+−8=4+−8
kx=−4
Step 2: Divide both sides by k.
kx
k
=
−4
k
x=
−4
k
Answer:
x=
−4
k
Answer:
f = 108
Step-by-step explanation:
p = f/a [p = 27 and a =4]
27 = f/4 [multiply 27 and 4 to get 108]
check your work: 108/4 = 27