The perimeter of the park is 3x^2 + 37x - 4
<h3>How to determine the perimeter?</h3>
The side lengths of the triangular park are:
10x + 3x^2 - 8, 12x and 15x + 4
Add these sides to determine the perimeter
P = 10x + 3x^2 - 8 + 12x + 15x + 4
Collect the like terms
P = 3x^2 + 10x + 12x + 15x - 8 + 4
Evaluate the sum
P = 3x^2 + 37x - 4
Hence, the perimeter of the park is 3x^2 + 37x - 4
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(x-7)/(7-x) if you factor out -1 from the numerator you get:
-(7-x)/(7-x) which is equal to:
-1
Answer : A
The reciprocal of 5 would be 1/5 and 5/1 * 1/5 = 1
hope that helps!:)
1) 32.75 times .40= 13.10
2) 32.75-13.10=19.65
The sale price is $19.65
