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

On one of the day you went to the gym, the ratio of men to women was 3 : 2. If 120 men used the gym, how many women were there?
machine s is cleaned every 12 weeks Machine T is cleaned every 8 weeks what is the fewest number of weeks that will pass before both machines are cleaned again
A __________ is a large molecule consisting of many repeating structural units. a. monomer c. polymer b. isomer d. elements
what is the best estimate for 1200 cubic centimeters
If the following sources where might you find biased information A. Library B. Internet search engine C. Candidates website D. Congressional website
How would you command someone not to speak (hablar), using the tú command?
The major cause of ozone depletion is?
The cell spends most of its time in the ........blank......... stage of the cell cycle?
What was the Atlantic Charter?
Leader of La Reforma