christbeaub
christbeaub christbeaub
  • 04-03-2017
  • Mathematics
contestada

The radius of a cylindrical gift box is (2x+3) in. The height of the gift box is twice the radius. What is the surface area of the cylinder? Write your answer as a polynomial in standard form.

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 10-03-2017
SA=2pir^2+2hpir=2pir(r+h)
h=2r=2(2x+3)=4x+6

SA=2pi(2x+3)(2x+3+4x+6)
SA=(4x+6)(pi)(6x+9)
SA=24πx²+27πx+54π
Answer Link

Otras preguntas

How do I solve number 10???
Saul converts 2.392 hectoliters to liters. What should his new number be?
The inverse of p → q is: p → q q → p ~p → ~q ~q → ~p
as a cell grows its___ increases faster than its __
Who usually made early American samplers? A. women B. schoolboys C. schoolgirls D. men
What does the small intestine do in the digestive system?
Consider the two-way table.   Group 1 Group 2 Category A 36 20 Category B 12 35 Complete the table below to show the relative frequencies of the data in the fir
How do you know that melting ice is a physical change? Use words to describe what energy is What type of energy causes a rain puddle to disappear on a sunny d
How does the digestive system work with the muscular system?
List four factors you should consider when selecting a financial institution.