Answer: 
Step-by-step explanation:
1. You have the following information:
- The lenght of
is 2 centimeters.
- The angle m∠S=80°.
- Cos80°=0.17
2. Therefore, you can calculate the lenght of the segment
as following:


3. Substitute values and solve for
:

4. To the nearest tenth:

Answer:
0.
Step-by-step explanation:
-6 4/5 + 6 4/5 equals zero.
Answer:
24 hours
Step-by-step explanation:
The computation of the number of hours taken by Bobby to build the robot by himself is shown below:
Given that
Bobby could take 12 hours
Together they could build in 8 hours
So based on the above information
the number of hours taken by Bobby to build the robot by himself is
Let us assume the above line be x
So,

x = 24 hours
12. is 3 bottles you do 6/1.89 and then round up
13. 183.6in-38.4in=145.2 in(12.1ft) was cut
you're on your own on 10 and 11
3 2/11 as a decimal is 3.18