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  1. ... = 6 cm TO = 2 cm Hence: ST = 4 cm Let r be the radius of the cylinder. Let R be the radius of the base of the cone...

    2 Answers · Science & Mathematics · 30/09/2020

  2. ...of the big circle) is 1/3 of that, making the radius of the big circle R = h/3 = 3√3.  The area of the big circle is πR² = 27π square...

    2 Answers · Science & Mathematics · 28/09/2020

  3. Earth days?  23.0*24*3600= 1,987,200 s 3725 + 2.495*10^5= 253,225 km= 253,225,000 m v≈ 127 m/s a= v²/ r = 127²/253,225,000≈ 6.37*10^-5 m/s²

    1 Answers · Science & Mathematics · 26/09/2020

  4. It excludes solutions that may be in the set of complex numbers. It lets you know that the solution set isn't limited to integers or some other condition.

    1 Answers · Science & Mathematics · 23/09/2020

  5. It would help to sketch the function.  Domain is R (all real numbers) Range is y≥-3 X-int: (3,0) and (5,0) Y-int: (0,9) Axis of symmetry: x=-3  Vertex: (4,-3)  Min: (4,-3)

    1 Answers · Science & Mathematics · 22/09/2020

  6. ...triangle.  The formula for volume of cone is 1/3  pi r ^2 h. where h is the height of the cone and  r is...at the top or the bottom of the circle. In either case r would be 0, and h would either be 0 or 20, both resulting...

    1 Answers · Science & Mathematics · 22/09/2020

  7. Total resistance of the branch on the right = 40 + R [1] Resistance of 30 ohms in parallel... = 75 * (30(40+ R )/(70+ R )) / (5 + 30(40+ R )/(70+ R )) * R /(40+ R ) [4] But...

    2 Answers · Science & Mathematics · 21/09/2020

  8. ...product equal to zero.) A vector equation of the desired line is r (t) = (-2, 3) + t⟨-2, 4⟩ ~~~~~~~ Graph: The small purple arrow ...

    1 Answers · Science & Mathematics · 22/09/2020

  9. ... - 4 ≠ 0 x²  ≠ 4 x ≠ ±2 DOMAIN of f(x) = all x ∊ ℝ such that x ≠ ±2,                              written (-∞,-2...

    4 Answers · Science & Mathematics · 19/09/2020

  10. ...ll omit them for now) A = πr² . . . of course dA/dr = 2π r The chain rule says that: dA/dt = dA/dr * dr/dt 360...

    1 Answers · Science & Mathematics · 14/09/2020

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