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Ann [662]
3 years ago
7

Only two more questions

Mathematics
1 answer:
Ierofanga [76]3 years ago
3 0

Answer:

60

Step-by-step explanation:

if it has a square in the center of the angle it means it is 90 degrees

so a straight line adds up to 180b

90 +30+x=180

x=60

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if 7/2 = x/81

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8x + 4y = -104<br> 4x + y = -24
boyakko [2]

Step-by-step explanation:

there are different ways you could do it using the elimination and substitution method.

hope this helps you!

-s.

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