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download this picture and you should see how to do it

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

**r**= 2 in V = 45 in³ V = (πr²h)/3 3V = πr²h 3V/πr² = h h = 3V/πr² h = 10.74 in4 Answers · Science & Mathematics · 23/07/2019

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

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**r**ee with answe**r**which says = ∫ [ 0 to a**r**ccos(2/7) ] ( 49 ( 1 + cos(2u))/2 + 4 - 28cos(u)) du ( I am changing eve**r**ything back to theta, since it helps me ) = ∫ [ 0 to a**r**ccos(2/7) ] ( 49 ( 1 + cos(2θ))/2 + 4 - 28cos(θ) dθ but that gives = [ 0 to...4 Answers · Science & Mathematics · 24/10/2019

Y intercept is zero in this equation.

2 Answers · Science & Mathematics · 01/09/2019

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

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

(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

Since (0, 3, -5) is contained in the plane, while (6, -2, -1) and (1, -3, 3) a

**r**e both pa**r**allel to the plane and linea**r**ly independent, the plane can be exp**r**essed as (0, 3, -5) + s·(6, -2, -1) + t·(1,-3, 3)2 Answers · Science & Mathematics · 18/05/2019