A kayak rental company charges $25.00 to rent a kayak and $3.50 for each half hour it is used.
2 answers:
Answer:
The Answer would be D.
r(t) = 3.50t +25
r(8) = 53
Step-by-step explanation:
The Rental Company charges a fixed price of $25 to rent the kayak, as well as an additional $3.50 for <u>each half hour</u>. So the only variable we are looking at would be the amount of time the kayak was rented. We can model this question with the following equation.
with x being the time the kayak was rented in 30 min intervals. Since the kayak was rented for 4 hours we can multiply this by 2 to get 8 (30 min intervals). Now we can plug this into the formula and solve it.
So to rent the kayak for 4 hours it would cost $53
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Answer:
(a) The amount of ice cream increase as temperature increases
(b)
--- equation
--- y intercept
--- slope
Step-by-step explanation:
Given
See attachment for graph
Solving (a): The relationship between the variables
From the attached graph, the dots on the graph increases towards up-right direction. This implies that there is a positive correlation between the variables.
In other words;
The amount of ice cream increase as temperature increases
Solving (b): The line of best fit
First, we draw a line through the points (the line should have almost equal points on both sides; see attachment 2).
From (2), we select any 2 points on the line:
The slope (m) is:
So, the line of best fit is:
Substitute known values:
The y-intercept is when
So, we have:
