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Using 3.14 for pi

Diameter is 2 times the radius

d=2r

d=2(19)

d=38

Diameter is 38 yards

Circumference is pi * diameter.

3.14*38 = 119.32

Circumference is 119.32 yards

Area is pi times the radius squared

3.14*r²

3.14*19^2 = 1133.54

The area is 1133.54 yards²

You should end up with two triangles.

Draw a slanted line going form bottom left corner to top right corner for 2 equal pieces.

No, it isn't. It can't be aops.

nvm l see it.

I would say 60, because its divisors are:

1 + 2 + 3 + 4 + 5 + 6 + 10 + 12 + 15 + 20 + 30 =108 !!!. Now, I will let prove it "wrong"???.

Well the rate that it changes at never accelerates so takes the remaining air as show in my arithmetic above.

2400 * 40%  =  2400 * .40  =  960 passed

Your own equation:

(v(f) + 1)^2 =2v^2(f). Substitute your own "answers", where v(f) =Father's speed.

(1.4142135 + 1)^2 =2 x (1.4142135)^2

5.828427...............= 4  ???!!!!.

Alan's answer =Sqrt(2) + 1. Substitute in your own equation:

(2.4142135 + 1)^2........= 2 x (2.4142135)^2

11.656853....= 11.656853.....

W*F..............................??!!!

225.000

Well.....if 1256 / 3.14  = 4........this indicates that   4 * 3.14  =  1256......impossible!!!

But

1256 / 3.14  = 400  because  400 * 3.14   =  400 * 3 + 400 * 14   = 1200 + 56 = 1256

[I think you forgot about the decimal !!! ]

It's possible.....

Working with one of the solutions, we have

[ -b  +  sqrt ( b^2 - 4ac) ] / (2a)     

Multiply the numerator and the denominator by     -b - sqrt[b^2 - 4ac]....this gives us

  [ -b  +  sqrt ( b^2 - 4ac)  ] [ - b - sqrt (b^2 - 4ac) ]  / [ (2a) (-b - sqrt(b^2 - 4ac) ) ]  =

[ b^2  - (b^2 - 4ac) ]  / [ (2a) (-b - sqrt(b^2 - 4ac) ) ]  =

[ 4ac] / [ (2a) (-b - sqrt(b^2 - 4ac) ) ] =

- [ 2c }  / [ b + sqrt(b^2 - 4ac) ]

We could do a similar thing with the other solution, [ -b  -  sqrt ( b^2 - 4ac) ] / (2a)  

You will have more than one solution:

197 = 3011(base 4)

197 =1242(base 5)

is this aops?

Although it might sound weird, we need them because if you are a architect in the future or in just daily life, we are going to have to deal with shapes. 

Note that this forms a geometric progression, not an arithmetic one.....the amount that reamins each time is (/3/4) of the previous amount.....a common ratio...

We start with 5 units.....removing 1/4  of the air means that 5(3/4) = 15/4 units remain

Then....removing (1/4) of this means that  (15/4)(3/4) = 45/16 units remain....etc.

You have to use "long division" by hand!!.

Pi is "irrational", which means it doesn't have an "exact value". In other words, it goes on FOREVER!!.

dont worry i think theyre saying d a r n

dont worry i think theyre saying d a r n

thank you :0

you were probably doing  PEMDAS wrong 

for your question 14*6/2+8*12, you would first multiply 14*6 and get 84, then divide 84 by 2 to get 42, then you multiply 8 and 12 and get 96, and finally add 42 and 96 to get 138.

Since you have the opposite side and the hypotenuse, use the sine function:

Sin(x) =5 / 16 =0.3125

x = arcsin(0.3125)

x =~18.21 degrees.