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thank you that helps alot 

5 + 13/15 =   88/15

2 + 1/5  =  11/5

Let n be the number

"of" means "multiply"   and " what" means "equal"     .......so....

88/15 * n   =   11/5       multiply both sides by 15/88

[15/88] * [88/15] n  =  [15/88] * [11/5]

n  = [15/88] * [11/5 ]  =  [15/5] * [ 11/88]  =  3/1 * 1/8  =   3/8

Let the number =N

2 1/5N =5 13/15

11/5N =88/15 divide both sides by 11/5

N =88/15 / 11/5

N =88/15 X 5/11

N =440 / 165

N =2 2/3

Guest you are more full of dung than a constipated hog!

Asiuns’ answer is fine. No one can tell from the question if it hours or minutes, or a ratio.

I speak English (sort of) and I would not use a minus sign to mean “to” or elapsed time for that type of question.

Maybe in Anol Retentive -constipated hog,  English you use it. :/

Very nice, heureka.....particularly, the proof part.....!!!!

100 - ((2 * 25-50 * 20/100))  =

100 - ((50 - 50*20/100))  =

100 - ((50 - 1000/100)) =

100 - ((50 - 10))  =

100 - (40)  =

60

C= pi × diameter

Evaluate f(x) = 14-0.5x

f(30)=14 - .5*30

f(30)=14 - 15

f(30)= -1

Evaluate f(x) = 14-0.5x

f(30)=

Solve for c: x^2-d = x (x-4) (c+x) x^2-d = (x-4) x (c+x) is equivalent to (x-4) x (c+x) = x^2-d: x (x-4) (c+x) = x^2-d Divide both sides by x (x-4): c+x = (x^2-d)/(x (x-4)) Subtract x from both sides: Answer: | | c = (x^2 - d) / (x(x-4)) - x

Solve for d: x^2-d = x (x-4) (c+x) Subtract x^2 from both sides: -d = x (x-4) (c+x)-x^2 Multiply both sides by -1: Answer: | | d = x^2 - x(x-4) (c+x)

Thanks, everyone for the answers.

http://i65.tinypic.com/dqg9io.jpg   Look at this bell curve to help

a  9%  + or - 5  IS 4 and 14 and this is  + or -  ONE standard deviation    From the graph you can see that 68% will fall in this range (34 +34)

b.  14+2 = 16%

c. That is TWO standard deviations from 9   9 -5-5 = -1     Look at the graph   2% are less than this

Guest above me... Please take your rage and put it on tumblr, where it will actually be useful for conversation. :)

That is a googol. A googolplex is 10^(10^(100)), or10^(10^100) = infinity

Or one followed by 10^100 = 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 zeros.

Asinus: In English-speaking countries we don't go BACKWARDS in time!!!.

5:17pm to 1:20am is 8 hours and 3 minutes, or

5:17am to 1:20pm is 8 hours and 3 minutes!.

THIS IS CALLED ELAPSED TIME!.

A googolplex is 10^100th power.. So 1 with 100 zeros behind it.

Hey whats 6:6 ?

6:6 = 1

!

Hallo Guest!

What is 5:17 - 1:20

time of day:

5h 17min - 1h 20min = 3h 57min

Difference quotient

5/17 - 1/20 = (20 *5 - 17) / (17 * 20) = 83 / 340 = 0,24417647059

Greeting asinus :- )

!

Do you want the elapsed time? You should always specify am or pm. In this case it doesn't make any difference: 5:17 to 1:20 =8 hours and 3 minutes.

1/(1/100 + 1/50 + 1/200)   =   1 / (2+4+1)/200 = 200/7 =   28.57 ohms

stultus! opus servare oris et alia hospes bulla circa opus non est, non potest ita fieri : moderatores enim , qui hoc non habent ; et populo , dicentem mihi ne im dumbasses calidus !

this is a calculator, not a chatroom. Only ask math stuff please.

hey guys, just so you know, this is a calculator, not a chatroom. Please talk on facebook or something like that.

\(X = 0.1666666666666667\)

I assume here that "cost"  is the original cost to the seller....and we're trying to find the buyer's cost??

If so......the seller marks the $349.99 up by 41% = $493.49

Then......he discounts this by 23%  [ i.e., the sales price is now 77%  of $493.49]

So.....the buyer's cost is  .77 * $493.49 = $379.98