1 answer:
Answer:
option 3, 45
Step-by-step explanation:
3x - 9° + 30° + 24° = 180° (angle sum property of a triangle)
3x - 9° + 54° = 180°
3x + 45° = 180°
3x = 180° - 45°
3x = 135°
x = 135/3
x = 45°
therefore, option 3 is the correct option
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13. 7
Answer:
use photomath
Step-by-step explanation:
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Step-by-step explanation:
Answer:
24 - 24 = 0 (carols age past tense)
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carol is now 72 yr
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Approx 5.1 is the answer.
Hope that helps. -UF aka Nadia
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