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nignag [31]
2 years ago
11

Helpppppppppppppppp

Mathematics
1 answer:
Bezzdna [24]2 years ago
6 0

Answer:

∠QRT = 42°

Step-by-step explanation:

arc QT + 2(∠QPT = 2(42°) = 84°

arc QT = arc TQ

arc TQ = 2(∠QRT)

84° = 2(∠QRT)

∠QRT = 42°

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4x^{3}+8x^{2}-4x-8\\  (4x^{3}+8x^{2)+(}-4x-8)\\4x^{2}(x+2)-4(x+2)\\(4x^{2} -4)(x+2)

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(4x^{2} -4)=0\\\\4x^{2}=4\\x^{2} =1\\ x=1\\(x+2)=0\\x=-2

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<h3>What are some examples of outdoor activities?</h3>

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—————-

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