The equation is 2x+6=x-7
then we solve it, 2x-x=-7-6
so x=-13
Step-by-step explanation:
Make the percentages into decimals by dividing by 100. Find germany by subtracting japan and USA from 1
Japan is 0.53
USA = 0.37
Germany = 0.1
Answer:
27.96
Step-by-step explanation:
Let's assume they meant C=40 degrees. With an angle like that they're asking for approximation; we'll oblige.
The circumradius is the product of the triangle sides divided by four times the area.
Here we have remaining side given by the Law of Cosines.



The area is

The circumradius is
Yes it x2 is a factor because at some point and time 2x would cross 4x