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Xelga [282]
3 years ago
6

If a pair of supplementary angles are in ratio 3:7 find them.​

Mathematics
2 answers:
Gala2k [10]3 years ago
6 0

Answer:

3x +7x=180

10x=180

x=180÷10

x=18

mark me in brainlist

umka2103 [35]3 years ago
3 0

3x+7x=180

10x=180

X=180/10

X=18

3x=3*18=54

7x=7*18=126

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3 0
3 years ago
To the nearest 0.01 degree, what angle of descent (angle of depression) must a plane 50 horizontal miles from the airport and at
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4 0
3 years ago
HELP!!!!
Nonamiya [84]
Your answer is E. $25.

First let under 12 = u, over 12 = o, and adults = a.
We can now write the equations:

2u + 3a + 3o = 174
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Because we know that a + o = 46, and 3a + 3o is in the first equation, we can multiply 46 by 3 to get what 3a + 3o equals. This makes 138.
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Now that we know what u equals, we can substitute it in to the second equation to get:
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I hope this helps! Let me know if you have any questions :)
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