calc

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    BOAT OPTIMIZATION PROBLEM CALC?

    A boat leaves a dock at 2:00 P.M. and travels due south at a speed of 20 km/h. Another boat has been heading due east at 10 km/h and reaches the same dock at 3:00 P.M. How many minutes past 2:00 P.M. were the boats closest together
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    Vector Calc: in which direction should a boat travel for the depth of

    the pond to remain constant? The depth of a pond at the points with coordinates (x,y) is given by h(x,y)=2x^2+3y^2 feet. (a) If a boat at pt(-1,2) is sailing in the direction of the vector <4,1>, is the water getting deeper or shallower? At what rate? Assume that x and y are measured in feet...
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    How to introduce time lengths in an OpenOffice Calc spreadsheet?

    I am trying to introduce time length of certain events in a spreadsheet in OpenOffice Calc, but I am faced with a problem: It reads it as time of day. Say that I write '2:23', for what I need, this means that the event I am measuring lasts 2 minutes and 23 seconds, but as soon as I write it and...
    • david
    • Thread
    • calc introduce lengths openoffice spreadsheet time
    • Replies: 0
    • Forum: Introductions
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    ADV calc sample quiz question-Taylor polynomial and limit?

    Using Taylor series or otherwise, find the limit limx->0 sin 2x(cos(x)-1)/(1-e^(x^3)) Firstly i tried le hopitals rule as it is a 0/0 limit hoping i could find the answer that way. It is strange you then get 0/1 as x tends to 0. (The answer is 1) I then used taylor polynomials with sin 2x...
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    Introduction to Logic, Math in Society or Pre Calc?

    I need some advice on which class would be better for me. Either way, I have never been good at math. I completed math up until Pre-Calc but it was hard. Here are the course descriptions. PHIL& 106 Introduction to Logic (5) Introduces students to the quantitative techniques used in symbolic...
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    Compound interest formula pre calc please help?

    A car was valued at $45,000 in the year 1992. The value depreciated to $14,000 by the year 2003. Use the compund interest formula S= P (1+r) ^ t to answer the following questions. A) What was the annual rate of change between 1992 and 2003? r=_________ Round the rate of decrease to 4...
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    Pre Calc question please help (compound interest formula)?

    A car was valued at $45,000 in the year 1992. The value depreciated to $14,000 by the year 2003. Use the compund interest formula S= P (1 + r ) ^t to answer the following questions. A) What was the annual rate of change between 1992 and 2003? r=_____________ B) What is the correct answer...
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    Calc 3 help. Altitude of an orbiting satellite?

    The earth is a sphere with a radius of R= 6,367,445 m. A sidereal day is 86,164.09 sec. A satellite orbits the earth in circular orbits once in exactly half a sidereal day. Gravity at an altitude of h meters is equal to g(h)=9.81 x (R/(R+h))^2 m/s^2. What is the altitude of the satellite?
    • student
    • Thread
    • altitude calc orbiting satellite
    • Replies: 0
    • Forum: Satellite
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    I have a Ti-83 plus calculator, microsoft maths and iphone Sci. calc., though...

    ...need some guidance on using them? I need a bit of a crash course on using the Ti-83 plus, iphone scientific calculator and microsoft maths software for maths in relation to 'linear equations and formulas'. Some terminology I'll be covering for my study over the next week is: Algerbraic...
    • iglooeminusice
    • Thread
    • calc calculator iphone maths microsoft sci ti83
    • Replies: 0
    • Forum: IPhone
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    bc calc, infinity series, help!?

    Determine if these diverge or converge. if it converges, what is the limit? Show all work please. I have a test next week...and i have no idea how u do this...I just know you need to use L'Hopital's rule, but theres also manipulation, and i duno how to do it!!! 1)An = sin^2 n/ sqroot n 2) An=...
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    bc calc help me!! particle traveling along curve parametric.?

    Particle travels from t=0 to t=4 along curve: x=(t^2)/2 y=(1/3)(2t+1)^1.5 0<or equal to t <or equal to 4 At what point (x,y) has the particle covered 1/2 the length of the curve? please show all steps
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