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Post New Question
All Questions
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234799 Questions
0
687
1
speed problem
Train A leaves San Francisco at 8 am and heads towards Los Angeles, travelling 55 km/h. At the same time, train B leaves Los Angeles and heads towards San Francsico, travelling 65km/h. The distance between the two cities is 230 km. At what time will they pass
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Guest
Jan 14, 2014
0
580
1
Decimals
why is 0.245 SMALLER than 0.5? use mathimatical words )
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Guest
Jan 14, 2014
0
425
0
write < or > to compare
63 divided by 9 0 8
Guest
Jan 14, 2014
0
483
0
derp
[sup][sup][sup][sup][sup][sup][sup] [/sup][/sup][/sup][/sup][/sup][/sup][/sup]Ask a Math Question!
Guest
Jan 14, 2014
0
825
1
RSA and extended euclidean alogrithm
hey guys,
i'm trying to understand the rsa-key-generation(http://en.wikipedia.org/wiki/RSA_%28cryptosystem%29#Key_generation)
so I started choosing p=13 and q=17
N=p*q, so N=221
now i need φ(N)=(p-1)*(q-1), which is 192 now i need
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Guest
Jan 14, 2014
0
928
1
dfasds
how much of a radioactive kind of tin will be left after 20 days if the half-life is 10 days and you start with 480 grams?
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Guest
Jan 14, 2014
0
637
5
Light and time
If it took light 60 seconds to travel 1 meter, how many times would time be slower than normal?
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Guest
Jan 14, 2014
0
1029
5
Ecological footprint calculation
I need to calculate the amount of earths that would be required if everyone in the world had the same ecological footprint as me. The current world population is roughly 7, 140, 481, 761. My ecological footprint is 21. acres and there is only 28.2 billion
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Guest
Jan 14, 2014
0
611
2
Scientific notation
The New Horizon Spacecraft began its 3.5 X 10^9-mile journey to Pluto in January 2006. If the cost of this mission is$0.20 per mile, find the total cost.
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Guest
Jan 14, 2014
0
1668
5
Mole
The annual production of rice is
32,000,000,000,000 Kg. How many years
would it take to grow a mole or rice grains?
mole = 602 000 000 000 000 000 000 000
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Guest
Jan 14, 2014
0
649
1
Indices
25 to the power of -1/2
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Guest
Jan 14, 2014
0
590
1
math
3x-5y=3
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Guest
Jan 14, 2014
0
435
1
i need to know this now!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Ask a Math Question!
1976-1898
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Guest
Jan 14, 2014
0
649
1
functions
f(x)=1/2x-6 find x such that f(x) is not defined
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Guest
Jan 14, 2014
0
701
1
EVALUATION OF INTEGRAL
Use a computer algebra system to calculate the total length of the 5 petal rose with r=cos5t
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Guest
Jan 14, 2014
0
939
2
Extended Euclidean algorithm
(1/192) = k mod 7
whats k?
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Guest
Jan 14, 2014
0
652
1
trig
given function y= 3sin(2pix) find amplitude and period
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Guest
Jan 14, 2014
0
493
1
Math
How many times must you use 2as a factor to get a result in the millions
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Guest
Jan 14, 2014
0
2116
2
mtk
nilai maksimum f(x,y)=4x+12y pada x+2y<8;3x+2y<12;x>0;y>0 adalah
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Guest
Jan 14, 2014
0
753
1
+10
Taking logs/ using logs So confusing!
[13] Use logs to derive the linear form (i.e. an equation that would allow you to plot a straight-line
graph) of the following equations:
n = K M^a
I = Io.e^-kt
m = k [c]^1/n These are some practice questions I was given and for the
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davidashworth7
Jan 14, 2014
0
623
1
Math
A card is selected at random form a standard deck of 52. What is the probability of selecting a diamond?
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Guest
Jan 14, 2014
0
627
1
math
what is x*p*x2*p*p*p if x= 323 and pis half of that
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Guest
Jan 14, 2014
0
581
1
trig
sin(x)=4/10
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Guest
Jan 14, 2014
0
622
1
Inequalities
Find the solutions set of the inequality:x-3/x+5≤0
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Guest
Jan 14, 2014
0
579
1
Math
what is the quadratic formula?
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Guest
Jan 14, 2014
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