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-Dominant- [34]
3 years ago
9

Whats a open equation?

Mathematics
1 answer:
Katena32 [7]3 years ago
6 0
A open education means what you share and customize
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Help help help help please business
Margaret [11]

Answer:

x = 35°

Step-by-step explanation:

These are corresponding angles. When a transversal crosses 2 parallel lines, 4 angles are created at each intersection, and each pair of corresponding angles between those are congruent.

These angles are congruent, so you can set them equal to each other:

2x+20=3x-15

Then, just solve for x:

20=x-15\\35=x\\x=35

You can check that by plugging it back into both:

2x+20=3x-15\\2(35)+20=3(35)-15\\70+20=105-15\\90=90

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lilah's band had practiced 24 songs. at a performance, they played 7 songs in their first set and 8 in their second set. how man
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8 songs.
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