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kipiarov [429]
3 years ago
15

Remove all grouping symbols and combine like terms.

Mathematics
2 answers:
zubka84 [21]3 years ago
5 0
(3x+x^2)-\{4x^2-3x+[2x^2-x-(5x^2+4x)]\}\\\\=3x+x^2-\{4x^2-3x+[2x^2-x-5x^2-4x]\}\\\\=3x+x^2-\{4x^2-3x+[-3x^2-5x]\}\\\\=3x+x^2-\{4x^2-3x-3x^2-5x\}\\\\=3x+x^2-\{x^2-8x\}\\\\=3x+x^2-x^2+8x\\\\=11x
amid [387]3 years ago
4 0
( 3x + x ^2) - (4x^2 - 3x +(2x^2 - x - (5x^2 + 4x)))=\\
3x+x^2-4x^2+3x-(2x^2-x-5x^2-4x)=\\
-3x^2+6x-2x^2+x+5x^2+4x=\\
11x
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The answer is 792 I hope this helped :) Step-by-step explanation:

Read more at Answer.Ya.Guru – https://answer.ya.guru/questions/5385437-what-is-the-area-of-the-trapezoid-with-height-11-units-enter.html

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Help! Picture above
zhuklara [117]

Ths number that goes beneath the radical symbol is 29.

Explanation:

  • If we form a triangle using the given points, we drop a vertical line from     (1, 1) and a horizontal line to the left of (3, -4). The point where both the lines intersect is the third point. The other point is (1, -4).
  • The vertical distance from (1, 1) and (1, -4) is 1 - (-4) = 1 + 4 = 5 units,                          the horizontal distance from (1, -4) and (3, -4) is 3 -1 = 2 units.
  • The opposite side of the triangle measures 5 units while the adjacent side measures 3 units. The line joining (1, 1) and (3, -4) is the hypotenuse. Assume the hypotenuse measures x units.
  • According to Pythagoras theorem, x = √(5² + 2²), x = √25 + 4 = √29. So the number under the radical symbol is 29.

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Step-by-step explanation:

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It is 992.75 yards..
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