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Answer:
Step-by-step explanation:
N= 100+n(10)
Answer:
50°
Step-by-step explanation:
65 + 65 +C = 180
130+C = 180
C = 180 - 130 = 50
Area is 35
perimeter is 24
Answer:
x = 3.
Step-by-step explanation:
2(x + 1) + 1 = 1 - 2(x - 7)
2x + 2 + 1 = 1 - 2x + 14
4x = 1 + 14 - 2 - 1
4x = 12
x = 3.