Which is equivalent to 34?
1 answer:
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Answer:
<h2>20 meters by 60 meters.</h2><h2>80 boards.</h2>Step-by-step explanation:
We know that the ice rink is 1200 square meters, which means to enclose the rink we need dimensions of 20 meters by 60 meters, to have 1200 square meters of area.
Now, the boards are on the perimeter of the ice rink with dimensiosn 20 meters times 60 meters. So, its perimeter is
If each board is 2.0 meter long, that means we can divide to find the total number of boards we can have on the ice rink:
Therefore, with those dimensions, we can have 80 boards surrounding the ice rink.
Using an exponential function, it is found that the value of David's Investment will be at least $415 after a period of 20 years.
<h3>What is an exponential function?</h3>An increasing exponential function is modeled by:
In which:
- A(0) is the initial value.
- r is the growth rate, as a decimal.
In this problem, the initial value and the growth rate for his investment are given by:
A(0) = 230, r = 0.03.
Hence, the value after t years is given by:
Then, the value will be of at least $415 when:
More can be learned about exponential functions at brainly.com/question/25537936
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