math guys answer this question

[Grapesoda]

There are n sweets in a bag. Six of the sweets are orange. The rest of the sweets are yellow.

Hannah takes a sweet from the bag. She eats the sweet. Hannah then takes at random another sweet from the bag. She eats the sweet.

The probability that Hannah eats two orange sweets is 1/3. Show that n²-n-90=0

[CurrentlySober]

i cunt do maffs....

[SuckOnThis]

Still can't pass your GED test?

[CPA-Rush]

i cunt do maffs....

me too

[wehateporn]

I retired from Maths

[Grapesoda]

Still can't pass your GED test?

wow it must suck to be so bitter about life...

[Colmike9]

6/n x 5/n–1
=6/n x 5/n–1 = 1/3


(6x5)/n(n-1) = 30/(n2 – n) = 1/3

Or 90/(n2 – n) = 1

So (n2 – n) = 90

n2 – n – 90 = 0

[RazorSharpe]

There are n sweets in a bag. Six of the sweets are orange. The rest of the sweets are yellow.

Hannah takes a sweet from the bag. She eats the sweet. Hannah then takes at random another sweet from the bag. She eats the sweet.

The probability that Hannah eats two orange sweets is 1/3. Show that n²-n-90=0

I'll start you off ... maybe:

1/3 = 6/n x 5/(n-1)
1/3 = 30 / n(n-1)

I'm not even sure if I'm on the right track ...

[CPA-Rush]

6/n x 5/n?1
=6/n x 5/n?1 = 1/3


(6x5)/n(n-1) = 30/(n2 ? n) = 1/3

Or 90/(n2 ? n) = 1

So (n2 ? n) = 90

n2 ? n ? 90 = 0

[ErectMedia]

head hurts, I'm out

[Grapesoda]

I'll start you off ... maybe:

1/3 = 6/n x 5/(n-1)
1/3 = 30 / n(n-1)

I'm not even sure if I'm on the right track ...

the answer is 10

[HappyTugger]

42 is the answer of everything.

[brandonstills]

[Sid70]

[Vendzilla]

There are n sweets in a bag. Six of the sweets are orange. The rest of the sweets are yellow.

Hannah takes a sweet from the bag. She eats the sweet. Hannah then takes at random another sweet from the bag. She eats the sweet.

The probability that Hannah eats two orange sweets is 1/3. Show that n²-n-90=0

n is 10 as 10 x 10 = 100 - 10 = 90 - 90 = 0

[SekobA]

So who ..whom fucking here

[MiamiBoyz]

2 with 1 brown hole in the middle

[CPA-Rush]

2 with 1 brown hole in the middle