math

  1. P

    Win 10 Points Math Trivia Week 1, Game 1?

    IM going to be testing peoples knowledges from now on, I'll Ask the questions and ill pick the best and give them 10 points.. Im starting this random game that i do with my friends they love it idk why its math.. Question 1 - If Hypotenuse is equal to 10.47 and side A = 15.36, What is side B...
  2. G

    Movies Really Hate Math

    If you were judging math by how Hollywood movies talk about it, you'd wonder why it even exists. Like Nazis and dogfighting, math is universally hated. Just look at this supercut of movies talking about math. Nobody even wants to bother with two plus two! More »
  3. S

    yay for math!! (not really lol)?

    1.Polar coordinates of a point are given. Find the rectangular coordinates of the point. (-5, -180°) A. (-5, 0) B. (0, -5) C. (0, 5) D. (5, 0) 2.Plot the complex number. 2 + i 3.Use the dot product to determine whether the vectors are parallel, orthogonal, or neither. v =?^2 j, w = 4i A...
  4. J

    Math riddle: in a tv game show, the host shows the contestant three doors,?

    only one of which conceals the prize, and the game preseeds as follows. 1st, the contestant chooses a door. secondly, the host opens one of the other two doors, showing teh contestant that is not the prize door. 3rdly, the host invites the contestant to change her choice, if she wishes. analyse...
  5. S

    more and always more questions lol math?

    1.Solve the equation on the interval [0, 2?). tan2x sin x = tan2x A.0,pi/2 B.pi/2,2n C.pi/2,n D.0,n 2.Plot the complex number. -5?3 - 5i 3.Find the magnitude ||v|| and direction angle ?, to the nearest tenth of a degree, for the given vector v. v = -4i - 3j A. 5; 233.1° B. 7; 216.9°...
  6. M

    Can you solve this math riddle?

    ONE + ONE = TWO Replace the letters with digits so the equation makes sense. (Replce all the Os by the same digit, all the Ns by the same digit..etc)
  7. B

    Interesting advanced math topics?

    Hi, I'm a senior in high school, and I'm in a class called math seminar. It's for kids who've finished all of the other math classes. Our teacher is very smart but also very oblivious. By this, I mean I feel like we don't really learn anything even though its supposed to contain interesting...
  8. T

    Math Professor Creates Mirror That Reflects Your True Face

    When you look in a mirror, you see an image of yourself in reverse. But one odd mirror invented by mathematics professor Dr. R. Andrew Hicks at Drexel University shows your true face without reversing its image. That mirror is now on display as part of an art exhibition in New York City's Room...
  9. T

    ...MATH PRACTICE QUIZ...?

    1. The actual distance between two cities is 135 km. The map scale is 1 cm : 100 km. Find the map distance. (1 point) 13.5 cm 1.35 cm 0.135 cm 1350 cm 2. On a map of New Mexico, 1 cm represents 45 km. The distance from Albuquerque to Santa Fe is 2 cm. Find the actual distance. (1 point) 90...
  10. R

    One minute or less survey for my math class?

    I am doing this for my math class, and your participation is highly appreciated. Would you be so kind to fill out this survey? It takes less than one minute of your time! https://docs.google.com/spreadsheet/viewform?pli=1&formkey=dGZxSklTWGtBZHpTbW1nLVNvNHA3MlE6MQ#gid=0 Thank you so you much &...
  11. S

    What invention could help math, science, engineering and/or technology in the future?

    What would you invent that would help the world through math, science, engineering and/or technology in the future?
  12. T

    math optimization boat question?

    A boat on the the ocean is 9 km from the nearest point on a straight shoreline; that point is 10 km from a restaurant on the shore. A woman plans to row the boat straight to a point on the shore and then walk along the shore to the restaurant. If she walks at 5 km/h and rows at 4 km/h. How far...
  13. T

    Anxiety About Math Activates Pain Networks In Brain

    Fear of math can activate regions of the brain linked with the experience of physical pain and visceral threat detection, according to research published Oct 31 by Ian Lyons and colleagues at the University of Chicago in the open access journal PLOS ONE. The researchers found that in individuals...
  14. G

    Math Can Make Your Batteries Charge Twice as Fast [Batteries]

    Most battery advances concentrate on improving hardware, but researchers from the University of California San Diego have developed new algorithms that can cut lithium-ion battery charge times in half. More »
  15. M

    Need Help for Travel Math!?

    Need help for Travel Math!? Im stuck with how much I should charge to be fair. So my buddy and I have planned to travel to Puerto Rico, this November. Current Tickets now is $360 per person. I decided to do a travel magic and came up with this. We buy a one way ticket to Puerto Rico for $180...
  16. M

    Need help for Travel Math?

    Need help for Travel Math!? Im stuck with how much I should charge to be fair. So my buddy and I have planned to travel to Puerto Rico, this November. Current Tickets now is $360 per person. I decided to do a travel magic and came up with this. We buy a one way ticket to Puerto Rico for $180...
  17. F

    Do you know this Handheld Math Game?

    I have before a Handheld Math Game , it was Red and it shows some math equations and wait me to enter the answers using Number or Signs, etc... Do any body know its name?
  18. F

    Do you know this Handheld Math Game?

    I have before a Handheld Math Game , it was Red and it shows some math equations and wait me to enter the answers using Number or Signs, etc... Do any body know its name?
  19. A

    Chase math: Biffle, Johnson, Earnhardt, Kenseth are locks

    Saturday night at Bristol marked the first opportunity for several drivers to clinch spots in the Chase, and four have done so. Let's run them down, shall we? Greg Biffle: The current points leader, he's in the midst of a career year. He's got two wins and 10 top 5s, and everything would seem...
  20. K

    Math Trivia: A ball bounces at a constant rate of 300 seconds, how many second

    will it take on its 4th bounce? Math Trivia: A ball bounces at a constant rate of 300 seconds, how many second will it take on its 4th bounce? a1 = 300 n>2 an= an-1/n
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