Answer:
18 logs.
Step-by-step explanation:
Since a stove burns 4 logs per 2 hours, then the stove will burn 2 logs in one hour. There fore in 9 hours the stove will burn 2*9 which is 18 logs.
4:2= 2 logs per hour
2*9=18 logs per 9 hours.
Answer:
C
Step-by-step explanation:
Given the two functions, we need to find
(g ° f)(4)
This means, we need to put the function f(x) INTO the function g(x) and then evaluate that new function at x = 4.
We put the whole expression of f(x) into "x" of g(x). Shown below:

Now we plug in 4 into x and evaluate:

Thus,
correct answer is C
Answer:
82.5 km
Step-by-step explanation:
Given:

Cross-multiply.
2x = 11(15)
Divide both sides by 2 and solve for x.
x = 82.5 km
Please mark as Brainliest! :)
1. The answer would be about 20.72, or 20.7142 if you don’t want the rounded version
2. The answer is -12.8