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x^14 - x^6    remains just that, unless you want to factor it as :

x^6(x^8 - 1) = x^6(x^4 - 1)(x^4 + 1) =

x^6 (x^2 - 1)(x^2 + 1)(x^4 + 1)  =

x^6 ( x - 1)(x + 1)(x^2 + 1)(x^4 + 1)

All you can with it is to re-write it in this form:

x^6 (x^8-1), and if you wanted to solve for x, then it has these values:

x=1, x=-1 and x=0

y^14 - y^6

y^14 = yxyxyxyxyxyxyxyxyxyxyxyxyxy 

y^6 = yxyxyxyxyxy

yxyxyxyxyxyxyxyxyxyxyxyxyxy - yxyxyxyxyxy = error

basically, this equation is impossible to simplify unless you substitute a number for x :/

sorry....

9k-5-2k

First you see what numbers are the same and different... so, in my preferrence, I think it is easier if you change all the subtraction signs to addiction.. and then the number that follows change to its opposite

9k+(-5)+(-2k)

then, you add the numbers with the same variables...

7k+(-5)

now that, above, is the answer since you cannot do anything else with the numbers,because of the variable(k).

So. 9k-5-2k

is 7k+(-5)

Your exact answer is:

625/81=7 58/81

Add all number in the soft drinks and then divide them by the number of the orange soft drink, then round that answer.

 55

 27

 40                  then do 27/203= 0.113 ( rounded, its easier)

 43

 19                

 21

+

____

203

11.3 is your answer. ( changed into a decimal )

Any two numerical dimensions (Length and Width) measured in feet (or converted to feet)  that multiplied together equal 800 will get you there.....

It just represents the distance on the number line between a number and 0.......for example.......

l -6 l   = 6 because -6 is 6 units from 0

and

l 4 l  = 4 because 4 is 4 units from 0

Thank you

Absolute Value is a number with no negatives or positives. An example: 

What is the Absolute Value?

1. -6

The absolute value would be 6 because 6 has no negatives or positives.

It could also be considered as an Oposite. Which might be helpful to look up.

Absolute value is just the value of the number, without paying any attention to its sign, whether it's + or-. So, the absolute value of -5 is just 5, period.

5! = 120  so n = 3

(n+2)! = 120

n=3

    What is -5/9 + 3/10?  = -23/90

Because a free body diagram only considers the forces acting directly on the (free) body in question.  The only force acting on AC from BE is R_B 

Guest could have carried this one step further.....

6sqrt(2) / 7sqrt(2)   =   6 / 7

Also note that    72/98  =  36/49    and the square root of this is just 6 / 7

20% of 0.90

20% means 20/100=.20

.20 X .90=.18 which your answer.

The sum is given by:

[19 + 10] * 5  =  29 * 5 = 145

Here's 2

The lateral surface area is given by:

A = pi(R + r)L      where R, r are the radiuses of the larger and smaller bases, respectively, and L is the length of the lateral side  ......    and L =  sqrt(h^2 + (R - r)^2)    so we have

A = pi(9 + 4)sqrt(12^2 + (9 - 4)^2 )  =  13pi*sqrt(144 + 25)  =  13pi* sqrt(169)  =  13* pi * 13  =

169pi  cm^2

CPhill: I'm getting 64.00!!!!. Did you make a mistake by taking the volume as 224Pi^2 instead of 224Pi^3. I see that in your calculations.

Thanks, it was driving me crazy.

Here's 1......

V = (pi * h)/3   * (R^2 + Rr + r^2)      and we have

224pi^3 = [(pi * 6)/3] [R^2 + R(12-R) + (12- R)^2]

224 pi^2 = 2 [ R^2  + 12R - R^2 + 144 - 24R + R^2]

224pi^2 = 2 [R^2 - 12R + 144]

112pi^2 = [R^2 - 12R + 144]   .....solving this equation for R we get that R ≈  37.582

This is clearly impossible.....but.....I solved it based on the way you have written it........did you make a mistake somewhere???

[ Is 224pi^3    supposed to be something else???]

Just a question on the 1st. part: aren't you missing two radii, both the top & bottom? you need the radius of the top to solve the radius of the base.No?.

Beats me.

Write it in scientific notation, so that you don't have to worry about so many zeros, thus:

4.7168 X 10^23 which your answer.