MATHEMATICS HIGH SCHOOL

What is the perimeter of the triangle expressed as a polynomial? Length: 8x-2
Length: 5x-4
Width: 9x-3
If you could show me how you got the complete answer I would really appreciate it.

Answers

Answer 1
Answer: The perimeter is the sum of the lengths of the three sides of the triangle. If "width" is the length of the 3rd side, then the perimeter is
  P = (8x-2) + (5x-4) + (9x-3)
  P = 8x + 5x + 9x -2 -4 -3
  P = (8+5+9)x -(2+4+3)
  P = 22x - 9

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Solve by completing the square
x^2-2x-5=0

Answers

x^2-2x-5=0 \n x^2-2x+1-6=0\n (x-1)^2=6\n x-1=\sqrt6 \vee x-1=-\sqrt6\n x=1+\sqrt6 \vee x=1-\sqrt6

Question 12
What is the length of a segment with endpoints at (-3, 4) and (4, 4)?

Answers

Answer:

7 units. count from -3 to 4 on a number line

Step-by-step explanation:

Answer:(4,5)

Step-by-step explanation:

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Answers

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Answers

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I need help ion understand this

Answers

Answer:

-1 7/8

Step-by-step explanation:
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