It is arleady in scientific notation, you can write it like that : 3.92400x10^5 or 0.392400x10^6 or 0.392400K (for Kilo = 10^6)
To get the answer we can use propotion
8 oil ---------------5 vinegar
x oil----------------7 vinegar
Crossmultiply now
5x=8*7
5x=56 :5
x=11.2 - its the answer
The answer is the last one!!
Answer:
x = 112°
Step-by-step explanation:
To find the value of x, you need to understand the properties of vertical and supplementary angles and know that the sum of angles inside a triangle is 180°.