math

  1. P

    can anyone help me solve this math riddle?

    I met a man who said if you can guess my age, I will pay you one dollar for each year that I have lived. I will also give you two hints. If you take my age and divide it by any odd number greater than 1 and less than 9 you will get a remainder of 1. But if you take my age and divide it by any...
  2. O

    Apps for iPad to create word files with math formulas?

    Would you give me your advices about apps for iPad which allows to create word files including formulas as we can do using windows office? Somebody told me about QuickOffice and I went to the AppStore, but I'm not sure whether it can edit formulas or not. Thanks in advance
  3. H

    Feels like I'm spamming YahooAnswers with math trivia :P?

    So much fun though! Who knew people actually likes math? :P http://tinypic.com/r/11c4lty/5 if there is no solution, answer no solution; or infinitely solution :)
  4. I

    What does an e2020 math test/quiz look like?

    I am in a period zero class ( Where you are responsible for your progress in the class). And I haven't taken any of the quizzes or tests yet because I need to be supervised and at school while taking the quiz/test. I am going to go in soon and I'm worried I will do poorly. Does any one know what...
  5. T

    I need an interesting but sort of easy topic for math for a project?

    Im only in geometry but I need an interesting/fun and easy topic
  6. T

    need help with math problems! PLEASE HELP! i have a quiz tomorrow :(?

    1.) In 2008, a car was purchased for $16,500. Assume car values depreciate at a rate of 12% a year. [a] What is the decay factor? [b] Write an equation modeling the situation. [c] What would be the car’s value this year? decay factor is 12%, i dont kno the equation but i think its something...
  7. S

    Do you understand this math joke?

    The math teacher asks his students: "What is 9 times 7?" He gets several answers - all are either 62 or 65. "Come on - the correct answer can either be 62 or 65!" Okay, obviously I know that 9 times 7 is 63. What I don't know is what the joke means. Please explain that instead of telling me what...
  8. L

    Anyone on here good at math lol?

    I'm trying to save up enough money to take my mom to dominican for her birthday next year. As of right now I make a minimum of $300 every two weeks. If the trip costs me $5,000 how much would I have to put away a pay check? I know that I'll make $7,800 in a year (if I just make $300) but I don't...
  9. M

    MATH INTEREST/AMORTIZATION QUESTION HELP!!!!! VERY URGENT?

    so the formula we were given was Amortization=(Lr)/(1-(1+r)^(-t)) where t is time r is rate and L is lump sum.... the problem goes like this... i could either buy a toy for 500$ or pay 200 $ each month for 3 months.... so i already have the t value=3, L which=500$ and A which=200$ HOW DO YOU...
  10. S

    Need Help with 9 Math Riddles?

    My math teacher is making us do these math riddles from an Indian website as part of our homework. Many of them are weirdly phrased and some are just difficult. I have to do a lot of them and here are a few that I need help with right now. (I am copying and pasting the questions) QUESTION 1...
  11. J

    Basic math percentage...esay 10 points for 1st right answer?

    what percentage would 320 be out of 490. i know im bad at math but you people will make up for that until im better,,thanks
  12. N

    MATH QUIZ! Help!?!?!?!!?!?!?

    Mark and Nancy are making punch for a party and are using two types of juice: pineapple and papaya. The total number of quarts must be more than 9 but less than 15. They should use at least 4 quarts of each type. We want to find out how many quarts of each juice they should buy. First graph the...
  13. A

    Math homework help (interest problem)?

    the question is: If $3,000 is invested in two different bonds accounts, pay 4% and 6% respectively, find the amount invested at each rate if the total amount interest earned is $156. Thanks so much in advance!
  14. S

    Math help please!!! Im doing a quiz?

    m ------- -5= 4 m-4 ----- m-5 I hope someone can understand that, thanks so much for any help sorry, it's m/m-4 -5=4/m-4
  15. F

    1 basic interest rate math question help please?

    I borrowed $16,000 on a 9.5% discounted loan for a period of 2 years. What is the loan's discount, the net amount of money I receive, and the loan's actual interest rate to the nearest tenth of a percent?
  16. E

    SAT-style/PreCal math questions help!?

    I need some help on two questions. I'd also like an explanation as to how to find the answer. Thanks!! 1.) The sum of two positive consecutive integers is X. In terms of x, what is the value of the smaller of these two integers? a.) x/2-1 b.) x-1/2 c.) x/2 d.) x+1/2 e.) x/2 +1 2.) What is the...
  17. H

    Math Quiz first one to get all right gets the points?

    1) 3^3 2) 3^1 3) 3^0 4) 3^-3 5) 3^2/3
  18. E

    math help introductions to functions?

    10.6 < b (1 point) –18 –9 7 14 2. (1 point) 1 –1 –9 –5 3. 8 < x(7 – x) (1 point) 2 8 –1 0 4. A new comedian is building a fan base. The table shows the number of people who attended his shows in the first, second, third, and fourth month of his career. Which graph could represent the...
  19. S

    I need (8) interesting or easy to write topics relating to science or math to...

    ...write about, pleeease.? I need it as soon as possible.
  20. T

    interest math question?

    You bought a new car, but don’t remember the original purchase price. The monthly payments are $379.50 for 36 months. The salesperson said the simple interest rate for the period of the loan was 6%. You were also allowed $2500 for your old car. Find the original purchase price of the new...
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