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Wittaler [7]
2 years ago
5

Please help this is due in 10 minutes

Mathematics
1 answer:
mafiozo [28]2 years ago
4 0

Answer:

the answer is 4.

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In the diagram below segment DEF is shown (since all three letters are shown, they are collinear). If
monitta

Answer:

  • x = 4

Step-by-step explanation:

<u>Given</u>

  • DE = 3x + 2, EF = x + 5, DF = 23

<u>As per segment addition postulate</u>

  • DE + EF = DF

<u>Substituting values:</u>

  • 3x + 2 + x + 5 = 23
  • 4x + 7 = 23
  • 4x = 16
  • x = 4
3 0
3 years ago
Solve the equation Axb by using the LU factorization given for A. Also solve Axb by ordinary row reduction. A ​, b Let Lyb and U
bulgar [2K]

Answer: Hello your question is poorly written attached below is the complete question

answer:

y = \left[\begin{array}{ccc}-4\\-11\\5\end{array}\right]

x = \left[\begin{array}{ccc}16\\12\\-40\end{array}\right]

Step-by-step explanation:

y = \left[\begin{array}{ccc}-4\\-11\\5\end{array}\right]

x = \left[\begin{array}{ccc}16\\12\\-40\end{array}\right]

attached below is the detailed solution using LU factorization

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3 years ago
Find the angle between the given vectors to the nearest tenth of a degree.
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The answer is 16.0 but I’m not entirely sure
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The answer would be C because the middle point, which is F should be in the middle when naming the angle
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