First you need to find how far he can run in one minute. To do that divide 18.4 by 5. I got 3.68.
Then, multiply that by 23 to see how far he can run in 23 minutes. I got 84.64
It takes 20 miles per hour to travel 300 miles
Answer:
x= -9/4=-2.25
Step-by-step explanation:
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20
empties 25%
25%=1/4
1/4 of 20 is 5
20-5=15
15 left
how much more must be removes so it reaches 2/5 of 20
2/5 of 20=40/5=8
15-what=8
minus 15 both sides
-what=-7
multipy-1
what=7
answer is 7 more gallons must be removed
Answer:
Domain- [-4,∞) ; Range- [-2,∞)
Step-by-step explanation:

For Domain, we need to find the range of value for x,
As the value for x+4 should be positive or 0 because it is under the square root bracket sign.


x ∈ [-4,∞)
For the range of values, we need to find all the possible value of y
As the value given by the square root will always be greater than equal to 0.


Therefore ,
y ∈ [-2,∞)