Answer:
Step-by-step explanation:
The angle sum of a triangle = 180 degrees.
So to find the third angle you would just subtract 23 and 35 from 180.
Third angle = 180 - 23 - 35 = ?
The angles in a triangle add up to 180 degrees, so the third angle must be 180 - 23 - 35 ---> 157 - 35 --> 122.
122 degrees.
Hope this helps!
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Hello!
f(x) = x² + 12x <=>
<=> a = 1, b = 12 <=>
<=> x = -12/2×1 <=>
<=> x = -6 <=>
<=> f(-6) = -36 <=>
<=> (-6; -36)
Good luck! :)
<u>-4 < x < -2</u>
Taking the left part of the inequality :
Taking the right part of the inequality :
Solution :
