4/15 should be your answer!
Answer:
3:1
Step-by-step explanation:
Take the fraction and simplify it:
12/4 = 3/1
Answer:
1. 98.7 km
2. 303.5 degree
Step-by-step explanation:
Using the alternate angle, the angle at B will be 50 + 10 = 60 degree.
To calculate the length AC of the returning journey, use cosine formula to calculate it.
To find the bearing of the returning journey, use sine rule to calculate it.
Please find the attached file for the solution
2 lines intersect at one point and stop there to form an L shaped angle they also form a square when you combine another right angle and they measure 90 degrees. Hope this helps!
Answer:
Final answer in simplified form is 
Step-by-step explanation:
Given expression is 
Now we need to find an equivalent expression for 
First we can distribute the positive sign and remove the parenthesis the combine like terms




Hence final answer in simplified form is 