Answer:
x ≈ 3.4 cm
Step-by-step explanation:
Using the sine ratio in the right triangle
sin57° =
=
( multiply both sides by 4 )
4 × sin57° = x , thus
x ≈ 3.4 cm ( to 1 dec. place )
Y=5+x is the inaquality you are looking for.
Answer:
10
Step-by-step explanation:
Answer: 
Step-by-step explanation:
