Recent content by jamescv31

  1. J

    MHB Integration by Parts for Cosine Squared: Is My Approach Correct?

    Greetings :) Well I wanted to seek help if my solution is on the right path, given as follows: 1) \int cos ^2x dx So my solution follows like this: u = cos^2x du = 1/2 (1+cos(2x)) v = x dv = dx but I've stuck when its in the u.v - \int v.du cos^2 (x) - \int...
  2. J

    MHB Derivation Application in Differential Calculus, verification question problem.

    its -2 pi ft^3min a typo error. But the implicit difference where the placing of values for numerator and denominator is correct right?
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    MHB Derivation Application in Differential Calculus, verification question problem.

    by using implicit difference where the -200ft/min is the numerator and the 100 ft is th denominator hence the answer is -1/2 pi ft ^ 3min.
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    MHB Derivation Application in Differential Calculus, verification question problem.

    Greetings everyone in MHB. :) Well I've just created a thread to just verify if my answer is correct. On a simple problem that using implicit differentiation. A cylindrical tank of radius 10 ft is having drained with water at the rate of 200 f^3/ min. How fast is the height of water changed...
  5. J

    MHB Finding the equation of parabola

    Yes the length of latus rectum is 2
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    MHB Finding the equation of parabola

    Greetings, I‘m trying to analyze the given of directrix x = -1, axis y = 2, and latus rectum as 2 I believe there‘s two possibility equations. I‘m not sure for finding the vertex since I got between ( -.5, 0) and origin itself.
  7. J

    MHB Additional intercept form problems.

    I'm not sure on how the "invert and multiply" works. x/1/3 + y/2/5 = 1 x/5 + y/6 =1 I made like a cross multiplication it becomes 6x + 5y = 30 then made an LCD to obtain the
  8. J

    MHB Additional intercept form problems.

    Here's my progress, in letter a) is it an M as slope only? not the whole equation? because the answer of my M is 2. Then on letter B my equation answers as 6x+5y-30=0?
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    MHB Additional intercept form problems.

    Hello, I'm here for another related intercept form problem of the formula: \displaystyle \frac{x}{a} + \frac{y}{b} \:=\:1 a) Find the equation of the line passing through (-5,-7) AND with y-intercept 3. b) Find the equation of the line passing with x-intercept 1/3 and y-intercept 2/5. I'm not...
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    MHB I hope this helps,Stephen La Rocque.

    Re: Intercept Form 3 Question Problems \displaystyle 3b - \tfrac{20}{3} \:=\:\text{-}\tfrac{1}{3}b \quad\Rightarrow\quad b = 2 To get the answer of \displaystyle \frac{x}{\text{-}\frac{1}{3}} + \frac{y}{2} \:=\:1 I have a question regarding to this solution on number 7: where did the b = 2...
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    MHB I hope this helps,Stephen La Rocque.

    Re: Intercept Form 3 Question Problems Yes, so it means "3x" or "3 times" are the same though on the given y-intercept?
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    MHB I hope this helps,Stephen La Rocque.

    Re: Intercept Form 3 Question Problems On number 7) the given of the slope is 3x, my mistaken to posted it but is there a difference on the answer?
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    MHB I hope this helps,Stephen La Rocque.

    Re: Intercept Form 3 Question Problems MarkFL: Sorry about that, well next time I'm going to post a question which is really hard for me to understand very well prior for the rules n this forum. :)
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    MHB I hope this helps,Stephen La Rocque.

    Greetings everyone, I need a help since the lecture of intercept form formula is X/A + Y/B = 1 are provied as limited examples and couldn't find exact information regarding for that. 6) Reduce the equation 2x+3y = -1 to intercept form. 7) find the equation of the line whose slope is 3x the...
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    MHB Unknown_12's questions at Yahoo Answers regarding analytic geometry

    Could I manage to have an exact 180 degrees with the formula of tangent m2-m1/1+m1m2 ? - - - Updated - - - Well nevermind, got already. Thank you for the time. :)
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