Answer:
Step-by-step explanation:
Given [Missing from the question]
Equation:
Interval:
Required
Determine the values of 
The given expression:
... shows that the value of is positive
The cosine of an angle has positive values in the first and the fourth quadrants.
So, we have:
Take arccos of both sides
--- In the first quadrant
In the fourth quadrant, the value is:
So, the values of in degrees are:
Convert to radians (Multiply both angles by 
)
So, we have:
Use the method rise over run (rise/run) that would get you 30/20 and that would equal to 1.5
They only have 3 left on the final CD:
12 + (.25 x 12) = 15
15 + (.8 x 15) = 3
I hope this helped!
~Travis
Do 6/24 = x/20 and then cross multiply :)
Bh + hr = 25
you can factor out an h from the left side of your equation:
h(b + r) = 25 ... divide both sides by h
b + r = (25/h) ... subtract r
b = (25/h) - r
