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Andrews [41]
3 years ago
10

Here it is the better quality question

Mathematics
1 answer:
My name is Ann [436]3 years ago
6 0

Answer:if your still doing this comment and I will try helping

Step-by-step explanation:

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Answer: x = 20.

Step-by-step explanation:

x and (3x + 10) combine to form a right angle, shown in the diagram by the small square joining the perpendicular lines.

Right angles are 90 degrees, so you can add both angles to get 90:

x + (3x + 10) = 90\\\\4x + 10 = 90\\\\4x = 80\\\\x = 20

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