Answer:
84°
Step-by-step explanation:
![\because (13n - 16) \degree + (7n + 12) \degree + (6n)\degree \\= 360\degree \\ \\ \therefore \: (26n - 4) \degree= 360\degree \\ \\ \therefore \: 26n - 4= 360 \\ \\ \therefore \: 26n = 360 + 4 \\ \\ \therefore \: 26n = 364 \\ \\ \therefore \: n = \frac{364}{26} \\ \\ \therefore \: n = 14 \\ \\\because m\overset { \frown}{BC} = (6n)°\\ \\\therefore \:m \overset { \frown}{BC} =(6\times 14)° \\ \\ \huge \purple {\boxed {\therefore \:m\overset { \frown}{BC}= 84°}} \\](https://tex.z-dn.net/?f=%5Cbecause%20%2813n%20-%2016%29%20%5Cdegree%20%2B%20%287n%20%20%2B%2012%29%20%5Cdegree%20%2B%20%286n%29%5Cdegree%20%5C%5C%3D%20360%5Cdegree%20%5C%5C%20%20%5C%5C%20%20%5Ctherefore%20%5C%3A%20%2826n%20-%204%29%20%5Cdegree%3D%20360%5Cdegree%20%5C%5C%20%20%5C%5C%20%20%5Ctherefore%20%5C%3A%2026n%20-%204%3D%20360%20%5C%5C%20%20%5C%5C%20%5Ctherefore%20%5C%3A%2026n%20%3D%20360%20%2B%204%20%5C%5C%20%20%5C%5C%20%5Ctherefore%20%5C%3A%2026n%20%3D%20364%20%5C%5C%20%20%5C%5C%20%5Ctherefore%20%5C%3A%20n%20%3D%20%20%5Cfrac%7B364%7D%7B26%7D%20%20%5C%5C%20%20%5C%5C%20%5Ctherefore%20%5C%3A%20n%20%3D%20%2014%20%5C%5C%20%20%5C%5C%5Cbecause%20%20m%5Coverset%20%7B%20%5Cfrown%7D%7BBC%7D%20%3D%20%286n%29%C2%B0%5C%5C%20%20%5C%5C%5Ctherefore%20%5C%3Am%20%5Coverset%20%7B%20%5Cfrown%7D%7BBC%7D%20%3D%286%5Ctimes%2014%29%C2%B0%20%20%5C%5C%20%20%5C%5C%20%20%20%5Chuge%20%5Cpurple%20%7B%5Cboxed%20%7B%5Ctherefore%20%5C%3Am%5Coverset%20%7B%20%5Cfrown%7D%7BBC%7D%3D%2084%C2%B0%7D%7D%20%5C%5C%20)
Answer:
x = 1/9m good luck........
50 inches 4/5*x=40
x=40/(4/5)
x=40*5/4=200/4=50 x=50 inches
Answer: -9x-1y-9/
Step-by-step explanation:
Answer:
midpoint = (3,3.5)
distance = 5
Step-by-step explanation:
midpoint = (x1+X2/2, y2+y2/2)
=(5+1/2, 5+2/2)
=(6/2, 7/2)
=(3, 3.5)
distance= √(x2-x1)^2 -(y2-y1)^2
=√(1-5)^2 -(2-5)^2
= √ 16+9 =√25 =5