ElectricPavlov

NIce table.....that is what Melody was mentioning...BUT if you count the squares in your table , you will see:

There are 6 x 6 = 36 possibilities for the two dice (not 48) , so the possibility of a 12 ( 6 & 6 ) is 1/36

1/36 = 2.77 %

there are TWO 11s possible out of 36    2/36 = 5.55 % chance of rolling an 11

etc...

# 4 answer should be    14x^6 +35/(x^8)      is the only issue I see....but I am not an expert.

Another method for 9: 

           (6x^3 +2) (5x-3) =          (multiply it out)

           30x^4 -18x^3 +10x -6    now d/dx =

f'(x) =  120 x^3 -54x^2 + 10

No problem or flak from me 'cookie'....I learn a lot from other people's answers !    Thanx     

Hmmmm.... I cannot see any of them that work....are you sure about the fractions   3/4....or  3/8?    7/12 ..or 7/8???

Density is mass per volume    or  mass/ volume

mass= x kg = 1000x g

volume = .002 m^3 = .002m^3 x 100 cm/m x 100 cm/m x 100 cm/m = 2000 cm^3

Density =    1000x g /2000 m^3  =  0.5x g/cm^3

Well, I should have specified no REAL solution.....

Yikes...you DO like those long calcs don't you ???

Thanx !!

The answer in red is the water answer, silly!   10.19 m

e = 2.7182818284590452

or  Euler's number

\(\sum_{1}^{infin}\) (1+1/n)^n

Subtract 'A' from both sides and you are left with:

0 <= B     SO B    must  'B' .... greater than or equal to zero.