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dimaraw [331]
3 years ago
12

50 PTS MANY POINTS

Mathematics
1 answer:
kari74 [83]3 years ago
3 0

Answer:

B. 1,900

Step-by-step explanation:

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Answer:

\boxed {\boxed {\sf A. \ 18}}

Step-by-step explanation:

The two angles are inside a right angle. The small box signifies a right angle/ 90° angle.

Therefore, the sum of the angle measures must equal 90. We can set up an equation.

56+(x+16)=90

Combine the like terms on the right side. The 2 constants: 56 and 16 can be added.

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72+x=90

Since we are solving for x, we must isolate the variable. 72 and x are being added. The inverse of addition is subtraction, so subtract 72 from both sides.

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Step-by-step explanation:

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Step-by-step explanation:

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