Answer:
The area of this triangle is.. 
Step-by-step explanation:
6 x 10 divided by 2 = 30
Community property of addition because -6 + 6 would equal zero
2.5 yards is $15 so you divide 15 by 2.5 and you would get the cost of each yard, which is $6 per yard :)
Answer:
s = 5.1
Step-by-step explanation:

Multiply both sides of the equation by 10

Expand

Subtract 28 from both sides

Simplify

Divide both sides of the equation by 10

Simplify

Hello!
As we are looking for the opposite side and hypotenuse, we will use the sine.
sin30=1/2
This gives us the equation below.
1/2= 5/x
1/2x=5
x=10
Therefore, x=10.
I hope this helps!