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melisa1 [442]
2 years ago
14

Evaluate the expression4(5+6)-15​

Mathematics
1 answer:
Alona [7]2 years ago
5 0
Answer 29

5+6=11
11•4=44
44-15=29
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Answer:

Correct answer is: 7. y = 28° and x = 29°   8. y = 7 and x = 5

Step-by-step explanation:

7.

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According to this:

(3 y - 20) + (4 y + 4) = 180 => 7 y - 16 = 180 => 7 y = 180 + 16 => 7 y = 196

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According to this:

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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