Answer:
its D 103°
Step-by-step explanation:
Sum of a pentagon=540
117+100+115+105+x=540
437+x=540
x=540-437
x=103°
Step-by-step explanation:
djjddjd dndbbdbsjsbsbsnsns
Answer:
144 degrees
Step-by-step explanation:
180-36=144 degrees
Simplify the question:2ab(3)(-7)
2ab(-21
Answer:
OR ![x =\frac{17}{18} +\frac{-1}{18} \sqrt{3349}](https://tex.z-dn.net/?f=x%20%3D%5Cfrac%7B17%7D%7B18%7D%20%2B%5Cfrac%7B-1%7D%7B18%7D%20%5Csqrt%7B3349%7D)
Step-by-step explanation:
9x2−17x−85=0
For this equation: a=9, b=-17, c=-85
9x2+−17x+−85=0
Step 1: Use quadratic formula with a=9, b=-17, c=-85.
![x =\frac{-b + \sqrt{b^{2}-4ac } }{2a}](https://tex.z-dn.net/?f=x%20%3D%5Cfrac%7B-b%20%2B%20%5Csqrt%7Bb%5E%7B2%7D-4ac%20%7D%20%7D%7B2a%7D)
![x =\frac{-(-17)+\sqrt{(-17)^{2} -4(9)(-85)} }{2(9)}](https://tex.z-dn.net/?f=x%20%20%3D%5Cfrac%7B-%28-17%29%2B%5Csqrt%7B%28-17%29%5E%7B2%7D%20-4%289%29%28-85%29%7D%20%7D%7B2%289%29%7D)
![x =\frac{17}{18} +\frac{-1}{18} \sqrt{3349}](https://tex.z-dn.net/?f=x%20%3D%5Cfrac%7B17%7D%7B18%7D%20%2B%5Cfrac%7B-1%7D%7B18%7D%20%5Csqrt%7B3349%7D)