Answer: x=20
all angles in the triangle are 180 degree, so:
2x+3x+4x=180
9x=180
divide both sides by 9
x= 20
Just plug in the values for m
so the possible values for k are
when m=5
when m=7
when m=9
so the possible values for k are {4,5,6}
It would be a > 12, move all terms to one side and then solve for x. make sure if you divide then you flip the term
Answer:
35 minutes
Step-by-step explanation:
The total amount of water is 200 +60 = 260 gallons. The two tanks will have equal amounts when each has half that, or 130 gallons.
If the volume in tank 2 is increasing at 2 gallons per minute, it will increase by 70 gallons from 60 gallons to 130 gallons in 70/2 = 35 minutes.
