Answer:
1/7
Step-by-step explanation:
x^(-1) means to find the reciprocal of number x
so 7^(-1) = 1/7
HI ≈ 12.22
tan I = GH / HI
tan 42° = 11 / HI = 0.90
HI = 11/0.90 = 12.22
20 times
Here is a chart:
3,13,23,30,31,32,33,34,35,36,37,38,39,43,53,63,73,83,93.
It appears 20 times. Hope this helps!
