sciayreb sciayreb

26-02-2019
Mathematics

contestada

What is the volume of a sphere with a surface area of 100 pi ft squared

Respuesta :

Ashraf82 Ashraf82

26-02-2019

Answer:

The volume = 523.3 ft.³

Step-by-step explanation:

∵ Surface area of the sphere = 4πr²

∴ 4πr² = 100π

∴ 4r² = 100 ⇒ r² = 100/4 = 25

∴ r = √25 = 5 ft.

∵ Its volume = 4/3 πr³

∴ Its volume = (4/3) × π × 5³ = 523.3 ft.³

Answer Link

Otras preguntas

Least value of expression x^2+4y^2+3z^2-4x-20y-12z+45 is.?

What is the value of the expression? 15 – 10 + (200 ÷ 20)3 The 3 is an exponent. Please help ASAP

Which sequence below would result in the production of a protein? A: DNA → ribosome → mRNA B: ribosome → DNA → mRNA C: DNA → mRNA → ribosome D: ribosome → mRNA

how does running for a political office impact public policy? and how does participating in a mass demonstration impact public policy in the United States? (AP

The three branches of the U.S. government are: administrative judicial executive legislative

Which description of Adam Smith is correct? A. builder of Britain's first canals B. political philosopher who helped inspire the American Revolution C. auth

Danica laid out floor tiles so they form a rectangle with a perimeter of 18 inches. What is the difference between the greatest and least possible areas of the

When a woman stands with two feet on a scale, the scale reads 280 N. When she lifts one foot, the scale reads A. less than 280 N. B. more than 280 N.

What is the atomic mass of one mole of O?

How is the weasel different from the other animals Sam has met? A. The weasel is not afraid of Sam and harasses him. B. The weasel brings food to Sa