What are the first four terms of the sequence represented by the expression n(n - 2) -3 ?
1 answer:
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Answer:
The dimensions of the frame are 15 in x 13 in
Step-by-step explanation:
Let
x ----> the length of the picture
y ----> the width of the picture
we know that
-----> equation A
The area of the picture, including the frame is
so
----> equation B
substitute equation A in equation B
solve for y
solve the quadratic equation by graphing
The solution is y=7 in
see the attached figure
<em>Find the value of x</em>
Find the dimensions of the frame
therefore
The dimensions of the frame are 15 in x 13 in
