celierain celierain
  • 31-12-2016
  • Mathematics
contestada

The volume of a sphere is 3,000pi m cubed. What is the surface area of the sphere to the nearest square meter?

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 31-12-2016
V=(4/3)pir³
SA=4pir²



3000pi=(4/3)pir³
divide both sides by pi
3000=(4/3)r³
times both sides by 3
9000=4r³
divide both sides by 4
2250=r³
cube root both sides
5∛18=r

SA=4pir²
SA=4pi(5∛18)²
SA=4pi25(3∛12)
SA=300pi∛12
aprox
2157.7
round
2158

the surface area is 2158 m²



Answer Link

Otras preguntas

The digital payment system that enables sellers to accept payment at trade shows, food trucks, concerts, or farm stalls is called a: A. biometric authentication
Cost of the item is $ 60.30, the tax rate is 5.6% What la the tax?
16a + 7c^2 + 5 - 7a+c
I need help please!! Can’t figure this out
solve for b -233=6(3+7b)+1 a. -10 b. -3 c. -6 d. -13
What are the missing factors in the factor tree for 45? 45 5 A B C
Did anybody take AP World History Part B Final Exam and willing to share?
Mitosis and meiosis occur in different locations in an organism. a. True b. False
what are 7 reasons viruses can be classified as nonliving and 3 for them for being classified as living?
8 + blank = 11 + 8 what number is the blank​