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Anestetic [448]
3 years ago
5

I need serious help. Please

Mathematics
2 answers:
Juli2301 [7.4K]3 years ago
7 0
By definition of supplementary angles, m<1 + m<2 = 180 (a)
and m<2 + m<3 = 180 (b)
Then, m<1 + m<2 = m<2 + m<3 by definition of supplementary angles (c)
Subtract m<2 from each side. You get m<1 = m<3 (d) or <1 =~ <3 (e)

Leto [7]3 years ago
5 0
A is 180 degrees, B is 180 degrees, C is definition of complementary angle, D is 180-angle 2, and E is angle 3.
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3 years ago
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jolli1 [7]
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3 years ago
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butalik [34]

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3 0
3 years ago
Read 2 more answers
100.00 decreased by 20%<br> Please help
Charra [1.4K]

Answer: If Percentage decrease % = 20%, (1 - Percentage decrease %) = 1 - 20% = 100/100 - 20/100 = 80/100 = 0.8 => Percentage decreased number = 0.8 × Initial value

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