Answer:
get a tutor 123456777654345678
Step-by-step explanation:
Answer:
10). m∠x = 47°
11). x = 30.96
Step-by-step explanation:
10). By applying Sine rule in the given triangle DEF,
![\frac{\text{SinF}}{\text{DE}}=\frac{\text{SinD}}{\text{EF}}](https://tex.z-dn.net/?f=%5Cfrac%7B%5Ctext%7BSinF%7D%7D%7B%5Ctext%7BDE%7D%7D%3D%5Cfrac%7B%5Ctext%7BSinD%7D%7D%7B%5Ctext%7BEF%7D%7D)
![\frac{\text{Sinx}}{7}=\frac{\text{Sin110}}{9}](https://tex.z-dn.net/?f=%5Cfrac%7B%5Ctext%7BSinx%7D%7D%7B7%7D%3D%5Cfrac%7B%5Ctext%7BSin110%7D%7D%7B9%7D)
Sin(x) = ![\frac{7\times (\text{Sin110})}{9}](https://tex.z-dn.net/?f=%5Cfrac%7B7%5Ctimes%20%28%5Ctext%7BSin110%7D%29%7D%7B9%7D)
Sin(x) = 0.7309
m∠x = ![\text{Sin}^{-1}(0.7309)](https://tex.z-dn.net/?f=%5Ctext%7BSin%7D%5E%7B-1%7D%280.7309%29)
m∠x = 46.96°
m∠x ≈ 47°
11). By applying Sine rule in ΔRST,
![\frac{\text{SinR}}{\text{ST}}=\frac{\text{SinT}}{\text{RS}}](https://tex.z-dn.net/?f=%5Cfrac%7B%5Ctext%7BSinR%7D%7D%7B%5Ctext%7BST%7D%7D%3D%5Cfrac%7B%5Ctext%7BSinT%7D%7D%7B%5Ctext%7BRS%7D%7D)
![\frac{\text{Sin120}}{35}=\frac{\text{Sin50}}{x}](https://tex.z-dn.net/?f=%5Cfrac%7B%5Ctext%7BSin120%7D%7D%7B35%7D%3D%5Cfrac%7B%5Ctext%7BSin50%7D%7D%7Bx%7D)
x = ![\frac{35\times (\text{Sin50})}{\text{Sin120}}](https://tex.z-dn.net/?f=%5Cfrac%7B35%5Ctimes%20%28%5Ctext%7BSin50%7D%29%7D%7B%5Ctext%7BSin120%7D%7D)
x = 30.96
Answer:
20% of 2 dollars is .40$
Step-by-step explanation:
Answer:
21d+28
Step-by-step explanation: