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alexira [117]
3 years ago
7

Find the indicated unknown angle measure.​

Mathematics
1 answer:
dem82 [27]3 years ago
4 0

Answer:

138 degrees

Step-by-step explanation:

Angle b and the 42 degree angle right next to it are supplementary angles. That means that 42+b=180

b=138

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According to your description, you can simply plug in all the numbers:

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Answer:

5abc^2/35a^3c^3

Step-by-step explanation:

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7 0
3 years ago
Suppose that we try to solve the matrix equation AX = B by using an inverse matrix, but find that even though the matrix A is a
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Answer:

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The matrix A will have no inverse for two different reasons:

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