Recent content by Kombaiyashii

  1. K

    Set 4.5x - 9(1-x) to Equal -1 with TI 83 Calculator

    Hi. I would like to make the answer equal -1 here's the formula: 4.5(x) - 9(1-x) How do I set this to equal -1? (This isn't homework, I'm working out some poker math and am not very good at this type of thing.) I use a TI 83 calculator.
  2. K

    How Much Higher Can I Jump If I Lose 25lbs?

    I basically just turned the new weight into a percentage of the old weight i.e. 155/180 = 86%. 100 - 86 = 14% Then I added 14% onto the height. 20/100*14=2.8+20 = 22.8ish However, I heard that NASA scientists use a different method for stuff like this. Is there one?
  3. K

    How Much Higher Can I Jump If I Lose 25lbs?

    Hi, This is not homework, I'm 29 years old. I'm just curious... Lets say I weigh 180lbs and I can jump 20 inches off the ground. If I lose 25lbs making me 155lbs. How much higher should I be able to jump? (assuming that I'm not losing any muscle mass). Is the answer around 23 inches?
  4. K

    What's the best way to separate a dissolved mixture

    Hi folks, I like to recreate medival medicines from old manuscripts but I have come to a slight problem when it comes to the prepairation... I'm trying to separate sodium bicarbonate which is dissolved in water. What I usually do is have a baking dish like the one below filled with the...
  5. K

    What Branch of Math do I need?

    What is up people? I was wondering if you could help me find exactly what's the type of math I need to do solve these kinds of problems... Let's say I have 65% chance of my business being a complete success and had $200,000, how do I work out the optimal amount to put into the business...
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