Please help with 2 algebra questios… 10 points?

NetherCraft 0

11. A cylinder has a radius of 4x + 2 and a height of 5x + 4. Which polynomial in standard form best describes the total volume of the cylinder? Use the formula V = r2h for the volume of a cylinder.

(1 point)

80×3 + 144×2 + 84x + 16

80×3 – 144×2 + 84x + 16

80×3 + 144×2 + 84x – 16

80×3 + 144×2 – 84x + 16

12. A sphere has a radius of 4x + 4. Which polynomial in standard form best describes the total surface area of the sphere? Use the formula S = 4r2 for the surface area of a sphere.

Also Check This  surface integrals help?

(1 point)

64×2 + 128x + 64

64×2 – 128x + 64

64×2 + 128x – 64

64×2 – 128x – 64

1 Answer

  • 11. (4x + 2)^2 (5x + 4) =

    80×3 + 144×2 + 84x + 16

    12. 4 (4x + 4)^2 =

    64×2 + 128x + 64


Leave a Reply

Your email address will not be published. Required fields are marked *