All Questions

754

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 read more ..

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Guest Jan 14, 2014

638

Decimals

why is 0.245 SMALLER than 0.5? use mathimatical words )

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Guest Jan 14, 2014

491

write < or > to compare

63 divided by 9 0 8

Guest Jan 14, 2014

541

derp

[sup][sup][sup][sup][sup][sup][sup] [/sup][/sup][/sup][/sup][/sup][/sup][/sup]Ask a Math Question!

Guest Jan 14, 2014

899

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 read more ..

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Guest Jan 14, 2014

998

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

705

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

1086

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 read more ..

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Guest Jan 14, 2014

682

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

1685

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

716

Indices

25 to the power of -1/2

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Guest Jan 14, 2014

660

math

3x-5y=3

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Guest Jan 14, 2014

496

i need to know this now!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ask a Math Question!
1976-1898

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Guest Jan 14, 2014

724

functions

f(x)=1/2x-6 find x such that f(x) is not defined

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Guest Jan 14, 2014

769

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

1006

Extended Euclidean algorithm

(1/192) = k mod 7
whats k?

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Guest Jan 14, 2014

724

trig

given function y= 3sin(2pix) find amplitude and period

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Guest Jan 14, 2014

563

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

2182

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

811

+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 read more ..

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davidashworth7 Jan 14, 2014

694

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

693

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

652

trig

sin(x)=4/10

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Guest Jan 14, 2014

691

Inequalities

Find the solutions set of the inequality:x-3/x+5≤0

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Guest Jan 14, 2014

647

Math

what is the quadratic formula?

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Guest Jan 14, 2014

All Questions ⁺⁰237705 Questions

speed problem

Decimals

write < or > to compare

derp

RSA and extended euclidean alogrithm

dfasds

Light and time

Ecological footprint calculation

Scientific notation

Mole

Indices

math

i need to know this now!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

functions

EVALUATION OF INTEGRAL

Extended Euclidean algorithm

trig

Math

mtk

Taking logs/ using logs So confusing!

Math

math

trig

Inequalities

Math

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