So, this is kinda similar to the other I helped you with:
<span>So r is the radius of the disk. The area is known and equal to 100Pi; so
100Pi = Pi r2
Now for r: r = 10
Circumference = 2 PI r = 20 Pi
I hope this helped!</span>
Answer:
6. 928 R 3
7. 4/6
8. 2/8
Step-by-step explanation:
Answer:
x = 
Step-by-step explanation:
x + 4 = 4x + 1
x - 4x = 1 - 4
x = -3
Then, divide both sides by
,
x = 
The known is
$100 install
6 months
$350.38 total
7% of bill in taxes
Unknown
monthly access fee = f
100 + 6( f + 0.07f ) = 350.38
100 + 6f + 0.42f = 350.38
100 + 6.42f = 350.38
- 100 - 100
-----------------------------
6.42f = 250
------- ------
6.42 6.42
f = $39 monthly cable fee