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Zielflug [23.3K]
3 years ago
15

Which choice is appropriate simplified form and restriction for the variable (x+3)(x+7)/3x+21

Mathematics
1 answer:
bekas [8.4K]3 years ago
4 0
C. I used the app math way. it has been a lifesaver.
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Zina [86]
The answer to this question is b 

3 0
3 years ago
May someone please help me?
otez555 [7]

Answer:

x=8°

y=29°

Step-by-step explanation:

vertically opposite angles are equal

so 5x+9°=y+20°

therefore 5x-y=11°

Alternate angles are equal

so 4x+17°=y+20°

therefore 4x-y=3°

equation 1....... 5x-y=11°

equation 2......4x-y=3°

using elimination method x=8°

y=29°

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2 years ago
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3 years ago
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I don't understand what one
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Function c
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Give me brainliest becuase 2+2=4 isn’t that enough help?
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