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  1. download this picture and you should see how to do it

    3 Answers · Science & Mathematics · 23/05/2019

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    1 Answers · Science & Mathematics · 24/07/2019

  3. r = 2 in V = 45 in³ V = (πr²h)/3 3V = πr²h 3V/πr² = h h = 3V/πr² h = 10.74 in

    4 Answers · Science & Mathematics · 23/07/2019

  4. The vector <1,-1,2> is in the direction of the given line. We need a point (x,y,z) such that (a) <x-1,y-2,z-3> "dot" <1,-1,2> = 0 and (b) (x,y,z) is on the given line, a line that could also be written as: x - 2...

    3 Answers · Science & Mathematics · 10/05/2019

  5. I agree with answer which says = ∫ [ 0 to arccos(2/7) ] ( 49 ( 1 + cos(2u))/2 + 4 - 28cos(u)) du ( I am changing everything back to theta, since it helps me ) = ∫ [ 0 to arccos(2/7) ] ( 49 ( 1 + cos(2θ))/2 + 4 - 28cos(θ) dθ but that gives = [ 0 to...

    4 Answers · Science & Mathematics · 24/10/2019

  6. tangent is perpendicular to the radius, although your drawing doesn't show that. Not to scale. I redrew it. SR = 8+5+12 = 25 That means RWS is a right triangle with sides 25 and 7 and third side...

    1 Answers · Science & Mathematics · 02/05/2019

  7. You can always add and subtract the same number and not affect the result. You are essentially adding 0 to that side. This can be distilled down to: a = a - b + b

    5 Answers · Science & Mathematics · 28/12/2018

  8. (a) r=6 => sqr(x^2+y^2)=6 => x^2+y^2=36 It is a circle of radius=6; with the center at (0,0). (b)r=2cosA (A=theta) => r^2=2x => x^2+y^2=2x => x^2-2x+1-1...

    1 Answers · Science & Mathematics · 09/05/2019

  9. Since (0, 3, -5) is contained in the plane, while (6, -2, -1) and (1, -3, 3) are both parallel to the plane and linearly independent, the plane can be expressed as (0, 3, -5) + s·(6, -2, -1) + t·(1,-3, 3)

    2 Answers · Science & Mathematics · 18/05/2019

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