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vlada-n [284]
3 years ago
14

Solve the system using either the substitution or the elimination method X^2-y=-2 -x+y=4

Mathematics
2 answers:
GaryK [48]3 years ago
6 0
I used the substitution method and got (2,6) and (-1,3) 
Neporo4naja [7]3 years ago
6 0
Hello here is a solution :

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Find the value of x.
marshall27 [118]

Answer:

  155°

Step-by-step explanation:

The obtuse angle of the large (outside) triangle is the supplement of 60°, so is ...

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The angle x is the sum of the remote interior angles of that large triangle:

  x = 35° +120° = 155°

__

<em>Check</em>

The other acute angle in the smaller (left) right triangle is 90° -35° = 55°. Then the top acute angle in the larger (bottom, right) right triangle is ...

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1 year ago
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Step-by-step explanation:

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182:10

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