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ExtremeBDS [4]
1 year ago
7

(06.02 MC)

Mathematics
1 answer:
mezya [45]1 year ago
8 0

Step-by-step explanation:

<h3>Given</h3>
  • Side 1: 3x² - 2x - 1
  • Side 2: 9x + 2x² - 3
  • Perimeter:  5x³ + 4x² - x - 3
<h3>Part A</h3>

Sum of side lengths 1 and 2

  • 3x² - 2x - 1 + 9x + 2x² - 3 =
  • 5x² + 7x - 4
<h3>Part B</h3>

The perimeter is the sum of all three sides.

<u>The length of the third side is</u>

  • P - (side 1 + side 2) =
  • 5x³ + 4x² - x - 3 - (5x² + 7x - 4) =
  • 5x³ + 4x² - x - 3 - 5x² - 7x + 4 =
  • 5x³ - x² - 8x + 1

Part A - addition

Part B - subtraction

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Answer:

∠c = 33°

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Step-by-step explanation:

A line is 180°, and ∠c + 147° make up a linear pair.

180 - 147 = 33°

∠c is 33°.

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∠b = 147°.

4 0
2 years ago
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3 years ago
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Evgesh-ka [11]

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Step-by-step explanation:

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4 0
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Long division (4b^3+10b^2-32b+15) divided by (4b-6)
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Answer:

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___________________

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Step-by-step explanation:

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