Both angles have to be 90 so if you find the value for x for one you get the other one ahmatically answer is 22 btw :)
What is the questions i may help you with i cant see it!

We're given that
and
, and want to find
.
By the chain rule, we have

and


Then

(because the point
corresponds to
)

Answer:
X=10
A=84
Step-by-step explanation:
5x+34+2x+76=180
7x+110=180
7x=70
x=10
For A
5(10)+34
84
Total number of people on boat=30
Half as many children as adults means:
Number of children = 1/2 ( Adults)
Let number of adults= A
Then equation is:
So number of children= 1/2 x 20 =10
Answer: 10 Children