Mathematics.

Which equation models the probability of an event when the probability decreases by a given percentage every year? (see my own answer)
by iwnit One hour ago | one answer | in Mathematics education

How many degrees are in a kelvin?
by Dabanzu Staff on May 14th, 2011 | 4 answers | in Statistics

How can I prepare for Algebra 1 for my freshmen year over the summer?
by kittykatwee 18 hours ago | 2 answers | in Mathematics education

How many degrees are there in an octagon?
by Dabanzu Staff on May 14th, 2011 | one answer | in Geometry

if its 5/20/12 3:00 pm how many hours is it untill 5/24/12 12:00 o clock in the morning
by lisa.burton.71 on May 20th, 2012 | no answers | in Mathematics education

How Many Feet Are in an Air-Mile?
by Dabanzu Staff on May 8th, 2011 | one answer | in Arithmetic

what is NATO summit ?
by gospel on May 19th, 2012 | 3 answers | in Combinatorics

Who created the distance formula?
by Dabanzu Staff on April 30th, 2011 | 3 answers | in Trigonometry

Please help me answer these math problems. I need it a lot for my test and I must pass it!
by I-Am-ME on May 19th, 2012 | 2 people like this | 6 answers | in Mathematics education

How many micrometers are in a millimeter?
by Dabanzu Staff on March 21st, 2011 | one answer | in Mathematics education

Would you rather work out a math problem using paper and pencil or just use the calculator?
by Lechuza on May 18th, 2012 | 4 people like this | 7 answers | in Mathematics education

How do I convert square feet to cubic meters?
by Dabanzu Staff on May 14th, 2011 | 1 person likes this | 3 answers | in Geometry

Is there more than one empty set?
by purplecows on May 18th, 2012 | 1 person likes this | 3 answers | in General Mathematics

Who invented the 360-degree circle?
by Dabanzu Staff on May 12th, 2011 | one answer | in Geometry

What is the distance between the points (5, 2) and (5, 9)?
by gabby94 on May 16th, 2012 | 3 answers | in Mathematics education

What does equal mean in geometry?
by Dabanzu Staff on May 11th, 2011 | one answer | in Geometry

what is x^2/x^2+15 * x+2/x
by lilmissclairebear on May 15th, 2012 | 3 answers | in Algebra

How many micrometers are in a decimeter?
by Dabanzu Staff on March 21st, 2011 | 5 answers | in Mathematics education

translate to an inequality: two more than a number is less than eleven
by stevonyrocks on May 15th, 2012 | 1 person likes this | 4 answers | in Mathematics education

How many degrees in an octagon?
by Dabanzu Staff on May 13th, 2011 | 1 person likes this | 2 answers | in Geometry

When you write 4 do you join it up at the top or write it lihe an upside down h?
by Ombliss22 on May 15th, 2012 | 3 answers | in General Mathematics

What does cosine mean?
by Dabanzu Staff on May 3rd, 2011 | 5 answers | in Geometry

Are prime numbers really the building blocks of numbers in general or just an artefact of our perception of numbering systems?
by Ombliss22 on May 15th, 2012 | one answer | in General Number theory

What is the 100th even number?
by Dabanzu Staff on April 30th, 2011 | one answer | in Arithmetic

Check my variance and...
by Siaw on May 14th, 2012 | 1 person likes this | one answer | in Statistics

How many degrees are in a nonagon?
by Dabanzu Staff on April 29th, 2011 | 3 answers | in Geometry

Which of the following points is 8 units away from (12, 4)?
by Tina.Pike.Scorpionwidow on May 13th, 2012 | 4 answers | in Mathematics education

What is molecular geometry?
by Dabanzu Staff on May 10th, 2011 | one answer | in Geometry

Some unclear situations.
by Siaw on May 12th, 2012 | 2 people like this | 2 answers | in Statistics

What does demure mean?
by Dabanzu Staff on May 4th, 2011 | 4 answers | in Differential equations

How to find the variance of a set of data?
by Siaw on May 12th, 2012 | 2 people like this | one answer | in Statistics

How many helium balloons will lift a car or truck?
by Dabanzu Staff on May 3rd, 2011 | one answer | in Arithmetic

Check my median ~
by Siaw on May 12th, 2012 | 1 person likes this | one answer | in Statistics

What is the volume of a gift box that is 8 inches by 12 inches?
by Dabanzu Staff on May 8th, 2011 | 4 answers | in Arithmetic

Statistics classes problems.
by Siaw on May 12th, 2012 | 1 person likes this | 3 answers | in Statistics

What does subtraction mean?
by Dabanzu Staff on May 5th, 2011 | 5 answers | in Arithmetic

Statistics problem.
by Siaw on May 11th, 2012 | 1 person likes this | 2 answers | in Statistics

How many degrees in a straight angle?
by Dabanzu Staff on May 7th, 2011 | one answer | in Geometry

Would you rather have your teachers develop their own easy content, or use the publisher's texts which stood the test of time with tons of
by readdear on May 8th, 2012 | one answer | in Mathematics education

Where do Arabic numbers originate from?
by Dabanzu Staff on April 30th, 2011 | one answer | in Zero

Why is math so darn hard for some people?
by duckiesRcool on May 7th, 2012 | 5 people like this | 7 answers | in Mathematics education

I have found that there are two formulas for the variance of hypergeometric distribution. Which one is the right one or how are they equal?
by Kris Kringle on May 7th, 2012 | no answers | in Probability

If I have 60 cards in a randomly shuffled deck, 40 marked C and 20 marked L, if I draw 7 cards what is the probability that 1 will be an L?
by Magic Man on May 7th, 2012 | 1 person likes this | 2 answers | in General Probability

A tire has a diameter of 24 inches . How many feet will it travel if it is rolled 1000times?
by pmuniz on May 6th, 2012 | one answer | in Geometry

1-sinx/1+cosx=1 trig identity?? i dont know what to do?
by salkinf on May 6th, 2012 | no answers | in General Trigonometry

1+sinx/1+cox=1 trig identity problem?
by salkinf on May 6th, 2012 | no answers | in Trigonometry

i get a 20% discount on all my Purchase
by Justiniana_G on May 6th, 2012 | 2 answers | in Mathematics education

What if you found an ancient Zoroastrian spell book?
by Want To Sleep With A Miner on May 4th, 2012 | 1 person likes this | 3 answers | in Mathematics education

Let's say your body dies today and your thought live remains. Where will you go?
by whosonfirst on May 4th, 2012 | 3 answers | in General Logic

how many even digest are3 in the number 2589
by genevieve.zenino on May 3rd, 2012 | no answers | in Mathematics education

I need a list of of all combinations of four digit number combinations from 0 to 9 including letters A to Z i.e. w2gz. Thank you.
by D_Force on May 3rd, 2012 | 3 answers | in Arithmetic

HOW OLD MUST A CITIZEN BE TO VOTE IN THE U.S
by kesha144 on May 1st, 2012 | 1 person likes this | 6 answers | in Mathematics education

what is x2(6x2-3x-1)
by Briana97 on April 30th, 2012 | 3 answers | in Algebra

Can you explain how to solve this Ellipse (whispering room) application?
by embertml on April 30th, 2012 | one answer | in Mathematics education

Did you know 7 out of 10 statisticians think 14% of mathematicians are 47% correct 3/7ths of the time?
by Ombliss22 on April 29th, 2012 | 2 people like this | 6 answers | in Statistics

Does doing Math problems give you a headache?
by A on April 29th, 2012 | 3 people like this | 6 answers | in Mathematics education

P(x=2) for n = 10, p = .4
by angela.black on April 29th, 2012 | one answer | in General Probability

Find the center of the circle whose equation is 34=(x-4)²+(y+7)².
by kaprisha.nichole on April 26th, 2012 | 1 person likes this | one answer | in Algebra