Answer:
7/6
Step-by-step explanation:
(7x/12)/(x/2)
=7/6
Answer:
7/20
Step-by-step explanation:
You can use the trigonometric identity

.

The requirement that

eliminates -1/6 from being another solution.
Answer:
d = 1
Step-by-step explanation:
5(d+2)=15 (Given)
5d + 10 = 15 (distribute)
5d = 5 (subtraction)
d = 1 (division)