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Alla [95]
2 years ago
10

Please answer fast! 15 points for the answer

Mathematics
2 answers:
Law Incorporation [45]2 years ago
4 0

Answer:

1. C

2. A

3. B

Step-by-step explanation:

hope it helps you!

aleksley [76]2 years ago
4 0

Answer:

20 and 20 = vertical angles

20 and 70 = complimentary angles

20 and 160 = supplementary angles

Step-by-step explanation:

vertical angles are the same measure, complimentary angles add up to 90, and supplementary angles add up to 180

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2 years ago
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Strike441 [17]

Answer:

i). x³ + 9x² + yz - 15

ii). -21m³np - 8p⁵q + mnp + 4mn + 100

Step-by-step explanation:

Question (38)

i). Two expressions are -5x² - 4yz + 15 and x³+ 4x²- 3yz

  By subtracting expression (1) from expression (2) we can the expression by addition which we can get expression (1).

 (x³+ 4x²- 3yz) - (-5x² - 4yz + 15) = x³ + 4x² - 3yz + 5x² + 4yz - 15

                                                    = x³ + 9x² + yz - 15

ii). -15m³np + 2p⁵q - 6m³pn + mnp + 4mn - 10qp⁵+ 100

  = (-15m³np - 6m³np) + (2p⁵q - 10qp⁵) + mnp + 4mn + 100

  = -21m³np - 8p⁵q + mnp + 4mn + 100

4 0
3 years ago
Which number is rational
Volgvan

Answer:

number 8 is a rational number because it can be written as the fraction 8/1

Step-by-step explanation:

3 0
3 years ago
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1. question in attachment
skelet666 [1.2K]
Was there a chart with this?
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