All Answers 358087 Answers

      [2(cos 100°+sin 100°)] [5(cos300°+i sin 300°)]=(4.056-7.025 i)

=4 (-1)^(1/6)

Simplify the following:
1+sqrt(-3)-5

sqrt(-3) = sqrt(-1) sqrt(3) = i sqrt(3):
1+i sqrt(3)-5

1+i sqrt(3)-5 = i sqrt(3)-4:
Answer: |  i sqrt(3)-4

I bet you are british. 

7/2*2.4 = 8.4

5 1/12 cups

3.141592654

.9725x=8673.97 = x=(3469588/389), or 8919.25

sqrt(8934) = 94.5198391873367504

Here is another approach:
Train A travels=124.7/60=2.0783... miles per minute.
Train B travels=253.5/60=4.225 miles per minute.
combined, they travel=2.0783 +4.225=6.3033 miles per minute.
In 8 minutes the 2 trains will have covered=6.3033 x 8=50.4264 miles
The remaining miles will be covered in=252.5 - 50.4264=202.0736 / 6.3033 =32.058 minutes.

9 plus 10 21 ha ha 

9+10=19. Seriously, how do people not know this!?

The answer is 1 and 17/20ths.

19. How do you not know this?

If by 20 1/2 and 4 1/2 you mean 20 and 1/2 and 4 and 1/2, the answer is 2306.25.

8 8 8 2

 ([8 * 8] + 8)  / 2  =

( 64   +  8)   / 2  =

72  / 2   =

36

2 x5,280=10,560 feet

8/2*8

because every ones on the wifi 

Do what to u?

200/8*3=75

-100

£25 for yourself 

2, 6, 18, 54.......

The ratio between terms is 3....and the first term, a, is 2

So....the 10th term is given by :

2*3^{(10 - 1)}  =  2 *3⁹ =   39,366

The n-th term is given by :

a_n  = ar^n-1   =  2*3^n-1   

6 (cos 120°+ i sin120°)

6*cos120°  = 6* [-1/2 ]  =  -3     

6 * i  * sin 120°   =  [6* √3/2] i  =   3√3 i

So.....standard form is  ......     -3 +  3√3 i

10th term=39,366

pth. term=F x R^(Nth -1 ), where: F=first term, R=ratio, N=Nth term.