kierraruddle9
kierraruddle9 kierraruddle9
  • 24-05-2020
  • Mathematics
contestada

An equation is given.
​A=4π r2
​Solve the equation for r .

A) r=4πA2
B) r=A2π
C) r=A4π−−√
D) r=4πA−−√

Respuesta :

jimrgrant1 jimrgrant1
  • 24-05-2020

Answer:

r = [tex]\sqrt{\frac{A}{4\pi } }[/tex]

Step-by-step explanation:

Given

A = 4πr² ( divide both sides by 4π )

[tex]\frac{A}{4\pi }[/tex] = r² ( take the square root of both sides )

[tex]\sqrt{\frac{A}{4\pi } }[/tex] = r

Answer Link

Otras preguntas

. Mis Mis nuevas (1) son muy (2) I compañeras de la clase de Español son muy (3) En clase de Ciencias tengo dos amigas muy . En clase de Literatura, mis compañe
How far does a car travel in 1.25 h if it is moving at a constant speed at 72 km/h?
ASAP HELPPPPPPPPPPPPPP MEEEEB PLEASE
express the fraction 1/8^3 using a negative exponent
Seung and Razi are both filling party favor bags for their birthdays at a constant rate. Razi’s progress is shown in the table. After 3 minutes Seung had 34 bag
What does it mean when a number And a variable are place right next to each other In an equation
What is production switching?
How many pounds of margarine does Joel have if he has eleven quarter-pound sticks?
sixty five is 120 percent of what number
At CVS, the tax paid was $2.45, which was 7% of the cost. What was the cost of the items purch ased?