SpawnofAngel

2pi*r is the formula for circumference

I believe pi*r^2 is area

9*2*pi = 56.55 mm

10*2*pi = 62.83 inches

3*2*pi = 18.85 inches

28*2*pi = 175.93 mm

pi*8^2 = 201.06 inches^2

(pi*2*20)/2 = 62.83 cm

So this last one requires some thinking

A corner is 90 degrees 

And the leash can be used as the raduis of a circle. 

So we just have to find 3/4 of the area of this circle

(3(pi*20^2))/4 = 942.48 ft^2

HAIL the Mighty Silver Knight CPhill of the Radian table. May His Awesomeness Last forever. 

Thank you.

I know the distance formula and how to use it. I just got confused with the radicals. To foil or not to foil?

This page requires the assistance of Knight Melody of the radian table. I need urgent response if I am to get a good grade. Knight CPhill will also be most helpful here.

No algebra needed here. Just good question skills

B is wrong do to amount left, 10300 is way too high for 12% per year

C has a negative exponet

D has only 1 exponet as opposed to the 12 that is needs.

So correct anwser is A

I actually have answered this before.

Infinity is a concept, not a determinable number.

113200(1.04)^10 = 167563.6

D is the anwser

5600 = 100(10)^4t

56=10^4t

log(56)=4t

log(56)/4 = 0.4370470067515501 hours

60 minutes in one hour

0.4370470067515501*60 = 26.222820405093006

I don't know

We can automatically rule out B because it is far to low and D because it is twice over your target.

Let use plug and simplify to find the A0 or initial investment

25000=x(1.00583)^(120)

25000/(1.00583)^(120) = 12444.85

So rounding, we can assume it is C