hasAquestion

What is the unit conversion from 156.25 to 12.5 inches

https://web2.0calc.com/questions/probability_18785

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Easy,

The distance is:

$\sqrt{3^2+5^2}$

from length to width

$\sqrt{\sqrt{3^2+5^2}^2+11^2}$

from length, to width, to hight

which simplifies to

$\sqrt{155}$

$x^3 + 3x^2 + 7x − 11 = 0$

simplifies to:

$(x-1)(x^2+4x+11)=0$

and 

$x^2+4x+11=0$

which gives an imaginary number

but for the complex part, 

you get the roots of x as:

$x=\frac{-4±\sqrt{4^2-4*1*11}}{2}$

whic becomes

$x=2±\sqrt{-7}$

so the roots of 

$x^3 + 3x^2 + 7x − 11 = 0$

are

$x = 1$

and

$x=2±\sqrt{-7}$

I've seen this problum so i'm assuming that the ratio is 3:2, That means if everyone has an equal chance to be president, the ratio of sophomore swimmers to freshman swimmers is 3:2. So 3/(3+2) is 3/5 of the team are sophomores.

The probablility for the first card to be a king is 1/13

the probability for the second card to be hearts is 3/4 likely to be 1/4 or and 1/4 likely to be 3/13

The probablity for the third to be red is 3/4 likely 1/2 or 1/4 likely 6/13

(1/13*3/4*1/4 +1/13*1/4*3/13) *3/4*1/2+

(1/13*3/4*1/4 +1/13*1/4*3/13) *1/4*6/13

=

2601/281216​