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karleebowling316
21.03.2020 •
Mathematics
2x-y=-14
y=x+9
Solve for the system
Solved
Show answers
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Ответ:
(-14, -33)
Step-by-step explanation:
Note that y = x + 9. Substitute (x + 9) for y in the first equation, obtaining:
2x - (x + 9) = -14, or
x + 19 = -14, or x = -33.
Now substitute -33 for x in the second equation and find y:
y = (-33) + 9 = -14
The system solution is (-14, -33).
Ответ:
C
Step-by-step explanation:
tanx=17/100
so do the inverse so it would be tan^-1 (17/100)= degrees