(9,3) is the point that isn’t on the graph
We have to calculate how much money has to be invested at 2.3% interest compounded continuously to achieve $41,000 after 17 years. The formula is: A = P * ( 1 + r )^t, where A = $41,000, r = 0.023 and t = 17. 41,000 = P * ( 1 + 0.023 ) ^17; 41,000 = P * ( 1.023 )^17; 41,000 = P * 1.4719; P = 41,000 : 1.4719; P = 27,855.15. Answer: It has to be invested <span>$27,855. </span>
Considering that the trench is modeled by a rectangular prism, the volume that was removed is 1776 cubic feet.
The volume of a <u>rectangular prism of length l, width w and height h</u> is given by:

In this problem, we want the measures in feet, and considering that 1 feet is 12 inches:
- The length is of 102' 6''(102 feet and 6 inches), hence
.
- The width is of 5' 4'', hence
.
- The depth(height) is of 3' 3'', hence
.
Then:

The volume that was removed is 1776 cubic feet.
To learn more about the volume of rectangular prisms, you can take a look at brainly.com/question/17223528
Answer:
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Step-by-step explanation: