Answer:
HI ≈ 12.22
Step-by-step explanation:
tan I = GH / HI
tan 42° = 11 / HI = 0.90
HI = 11/0.90 = 12.22
Answer:
0.64
Step-by-step explanation:
1 because he HAD 5 and if he gave his friend 4 than he has 1 left, 5-4=1 my friend.
Answer:
5, 6 and 7.
Step-by-step explanation:
5/8 is proper while 5/4 is improper
6/8 is proper while 6/4 is improper
7/8 is proper while 7/4 is improper
Make use of prime factorizations:

Both terms have a common factor of
:

- - -
The second one is not true! We can write

Both terms have a common factor of
:

Since
, and
, we'd still have to show that
is a multiple of 6. This is impossible, because
and there is no multiple of 2 that can be factored out.