<span>there was a 10% decrease</span>
we know that
in the right triangle ABC
the value of cosine of angle x is equal to

we have

substitute the values

Find the measure of angle x

Round to the nearest whole degree

therefore
<u>the answer is</u>

The amount it is increasing by, 3 is added each time.
2 because there are 4 numbers of edges and 4 vertices
Answer:
x = 14 is your answer
Step-by-step explanation:
76 = 7x-22, so to figure it out, you first move -22 to the other side and get
76+22 = 7x.
add them together and you get 98 = 7x
7x would be your equation, so divide 98 by 7 and you get your solution
x = 14 is your answer