3r-6=-21
3r-6+6=-21+6 (Add 6 to both sides...)
3r=-15
r=-5
3r-6=21
3r-6+6=21+6 (Add 6 to both sides...)
3r=27
r=9
r=-5 or r=9
The goat can go in a circle
the rope's length is the radius
area=pir^2
area=pi5^2
area=25pi square meters
if we use pi=3.14
area=78.5 square meters
Answer:
d. x= -3
Step-by-step explanation:
3(x+4) = 3
x+4= 3-3
x+4= 1
x= 1-4
x=-3
Answer:
7.5 hours
Step-by-step explanation:
both pumps works simultaneously to pump 160 gallons of water per hour.
With a total pond capacity of 1200 gallons, you get your answer by simply dividing the total capacity by the flow rate which gives us 7.5 hours.
note: if it is stated that the pumps where connected together on the same line (either in series or parallel) this will be a different calculation.
Use the circular formula and divide the volume by 2
Step-by-step explanation:
