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Amanda [17]
3 years ago
5

Answer the following question!

Mathematics
1 answer:
cestrela7 [59]3 years ago
4 0

Step-by-step explanation:

Two angles are called complementary when their measures add to 90 degrees.

42 + 12x = 90 \\ 12x = 48 \\ x = 4

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4 years ago
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fredd [130]

Answer:

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Step-by-step explanation:

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3 years ago
an adult ticket to a museum costs 3 dollars more than a childs ticket. when 200 adult tickets and 100 childrens tickets are sold
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