adjeimerian adjeimerian
  • 01-05-2018
  • Mathematics
contestada

Q is directly proportional to r. q is 76 when r is 20. work out q when r is 45.

Respuesta :

CastleRook
CastleRook CastleRook
  • 11-05-2018
q α r
q=kr
thus
k=q/r
when r=20, q=76
hence
k=76/20=
q=76/20r
when r=45 the value of q will be:
q=76/20×45
q=171
Answer Link
larrythelamb
larrythelamb larrythelamb
  • 31-03-2020

Answer:

q=171

Step-by-step explanation:

Hello there!

In this explanation k is constant and it means that q is some constant amount bigger than r.

q=kr

76=k×20

76÷20=k  

k= 3.8

q=3.8r

q=3.8×45

q=171

Answer Link

Otras preguntas

I want to work with LDAP. what is LDAP?
I want to work with LDAP. what is LDAP?
Sue stacked one box onto another. The bottom box had the height of 2 1/3 feet and the top box had the height of 3 2/3 feet. How tall were the stacked boxes?
Angela has 24 golf balls and 18 golf clubs. She wants to sell packages of balls and paddles bundled together. What is the greatest number of packages she can se
find the prime factorization 504
Explain who or what "Año Viejo" is and its significance.
Is 5/7 greater than 4/6
Do you think then solid can undergo convection
Which powerful religious group often tried to close the theaters in Shakespeare's time? A. the Puritans B. the King's Men C. the Pilgrims D. the Jacobites
Compliant is to stubborn as excited is to