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Anuta_ua [19.1K]
3 years ago
15

Need urgent help in mathematics!! Will mark brainliest!!!!

Mathematics
2 answers:
Vinil7 [7]3 years ago
7 0
The answer is the last option
kvv77 [185]3 years ago
3 0

\left[\begin{array}{ccc}6.1&1.9\\-7.5&2.2\\3.8&-1.4\end{array}\right] + \left[\begin{array}{ccc}-7.2&7.6\\1.8&-1.4\\2.3&2.1\end{array}\right]

= \left[\begin{array}{ccc}6.1-7.2&1.9+ 7.6\\-7.5+1.8&2.2-1.4\\3.8+2.3&-1.4+2.1\end{array}\right]

= \left[\begin{array}{ccc}-1.1&9.5\\-5.7&0.8\\1.5&0.7\end{array}\right]

Answer: D

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If two points are given, then exactly one line can be drawn through those two points.
gizmo_the_mogwai [7]

Answer:

a postulate

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Answer:

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Step-by-step explanation:

So the inside triangle has two equal sides. To find these angles you would do the degrees of a triangle (180) minus the known value and then divided by two.

so it is: 180-126/2 which gives you 27 degrees.

this means the n value is 27.

to find m, you have to take away 90 degrees and the n value from 180.

so it is: 180-90-27 which gives you 63 degrees.

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3 years ago
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