codys bikes rents bikes for $18 plus $5 per hour. mofor paid $48 to rent a bike. For how many hours did he rent the bike?
2 answers:
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Answer:
1. 14 cm
2. 20.4 cm
3. 24 - w
Step-by-step explanation:
Let's start with the last question, as it'll make answering the previous two a lot easier. In the 3rd question, we are asked to create a formula to find the length of a given rectangle, using its given perimeter of 48 centimeters and width of centimeters.
Therefore, let the length of the rectangle be , we can construct the following equation:
Now we have a formula that defines our length, if given the width of the rectangle. The only thing from here on out is to substitute the given widths to the formula we just found.
1. , therefore,
.
2. , therefore,
.
Answer:
a) 1
b) 2
c) 2
Step-by-step explanation:
a) means find the output for
when
.
b) means find the output for
when
c) If and
are truly inverses then
and
as long as
satisfies the domains.
So we should be able to conclude that with no work.
However, I will also show work.
since
from part a.
since
from part b.