mickeyscuteselff
mickeyscuteselff mickeyscuteselff
  • 18-02-2020
  • Mathematics
contestada

The radius of a cylinder is 3x – 2 cm. The height of the cylinder is x +3 cm. What is the
surface area of the cylinder? Use the formula A = 23r+ 2 x rh.

Respuesta :

bhuvna789456
bhuvna789456 bhuvna789456
  • 19-02-2020

Surface Area of the cylinder is 6x² + 83x - 58 cm²

Step-by-step explanation:

  • Step 1: Given surface area of the cylinder, A = 23r + 2rh. Here, r = (3x - 2) and h = (x + 3)

⇒ A = 23(3x - 2) + 2(3x - 2)(x + 3)

⇒ A = 69x - 46 + (6x² + 18x - 4x - 12)

⇒ A = 6x² + 83x - 58 cm²

Answer Link

Otras preguntas

What is the radius of 300 square miles
Is this right and I need help getting the decimal estimate
The graph shows the function y=3x-1. What are the coordination of intercepts? A. (0,-1) and (1/3,0) B. (0,-1) and (3,0) C. (0,1/3) and (0,3) D. (0,1/3) and (-1,
jerry has a length of rope that he wants to cut into 5 equal pieces . if the rope is 21 7/8 feet long should he cut each peice ? explain your steps
In the 30th minute and both teams playing with 11 players, substitute a12 is beckoned onto the field to replace a1. before a1 leaves the field, a12 and player b
The simplified answer
The best surface to run on is one that's A. as hard as possible so that it adds more stability to your foot. B. uneven so that the tendons and ligam
Solve the inequality. Show your work. |4r + 8| ≥ 32
If you help me answer these questions you will get 23 points!
The lines shown below are parallel if the green line has a slope of 5 what is the slope of the red line