1601skhanum 1601skhanum
  • 11-03-2019
  • Mathematics
contestada

M is directly proportional to r2
When r=2, m=14
Work out the value of m when r=12

Respuesta :

yousifmona44
yousifmona44 yousifmona44
  • 11-03-2019

we have M is durectly porpotional to r^2

so M=(k)r^2

and when r=2, m=14

so 14=(k)(2)^2

k=14/4 =7/2

so when r=12

m= (7/2)(12)^2 =(7/2)(144) = 504

Answer Link
EvanA0981 EvanA0981
  • 27-09-2021

Answer:

504 mathswatch correct

Step-by-step explanation:

Answer Link

Otras preguntas

Who knows the secret of life??
what is a metric unit of length that is equal to one tenth of a meter
what does the foot pedal on a timpani change on the instroment A. Dynamics B. Pitch C. Phrasing D. Mallet
Match the following innovative recycling methods. 1. pavement 2. cement 3. tires 4. protein 5. fuel garbage cinders glass corn stalks rubber
What is a mixed number for p so that 3 1/4 is more than 3 1/4
What number belongs in the blank space? 16,25,36, _, 64,81. Explain. *Worth 50 points
why is realism said to be a reaction to romanticism
find the area of a triangle when a=78 degrees b=14 c=12
If atoms__________energy during a change of state, they are pulled together by attractive forces and become more organized.
I need help . I can't do this.