To solve this problem you must apply the proccedure shown below:
1. You must apply the Law of Cosines, as you can see in the figure attached. Then:
- The first ship travels at
in for two hours. Therefore, the side
is:

- The second ship travels at
for
. Therefore, the side
is:

- Now, you can calculate
:

The answer is: 
Answer:
7
Step-by-step explanation:
21×1/3
21÷3=7
hope I've helped
Answer:
1
Step-by-step explanation:
ordered pairs with both positive numbers are in Q1
3.95*10^9 move the decimal to the left untill it is in between the last ans 2nd to last number
Answer:

Step-by-step explanation:
we know that
1 kg=1,000 g
so
using proportion
Find out how many kilograms are 69 grams
Let
x -----> the weight in kg
