Recent content by uselessjack

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    Calculating Distance and Equation for a Hyperbola Using LORAN Stations

    Homework Statement ( URL of image in case it doesn't display : http://imgur.com/wrzYH.png ) The axes x and y are measured in miles. In the figure, the LORAN stations at A and B are 520 mi apart, and the ship at P receives station A's signal 2,640 microseconds (ms) before it receives the...
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    How Do You Use Matrix Inversion to Determine Nutrient Ratios in Food?

    Ah, I see now! Thank you very much for your time and help. I was finally able to find the answers!
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    How Do You Use Matrix Inversion to Determine Nutrient Ratios in Food?

    Thank you very much, but I'm not sure I understand. Would I solve for x by setting up the equation "5x + 3y + 5z = 23" and solving?
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    How Do You Use Matrix Inversion to Determine Nutrient Ratios in Food?

    Homework Statement A nutritionist is studying the effects of the nutrients folic acid, choline, and inositol. He has three types of food available, and each type contains the following amounts of these nutrients per ounce: a) Find the inverse of the matrix and use it to solve the remaining...
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