What is the answer to 0.2 divided by 0.4
2 answers:
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Answer:
Δn=3
Step-by-step explanation:
Remember, if we need to divide the interval (a,b) in n equal subinterval, then we need divide the distance (d) between the endpoints of the interval and divide it by n. Then the width Δn of each subinterval is d/n.
We have the interval [-5,7]. The distance between the endpoints of the interval is
.
Now, we divide d by 4 and obtain
Then, Δn=3.
Now, to find the endpoints of each sub-interval, we add 3 from the left end of the interval.
So,
Answer:
a) increase by 4%
b) $ 98.54
Step-by-step explanation:
The given function is
We can rewrite this function as
Therefore the cost of the chemical increase over time by 4%
b) We want to find how much an ounce of the chemical cost in 2018.
Since 2010 to 2018, 8 years have passed.
We substitute x=8 to get: