tjslonaker tjslonaker

02-03-2020
Mathematics

contestada

Y is directly related to X, and Y is 81 when X is 27.
The constant of variation is ____

Respuesta :

Officialalehpeter Officialalehpeter

02-03-2020

Answer:x=3/9

Step-by-step explanation:

X directly proportional to Y

X=ky

Make k the subject of formula

k=x/y

K=27/81

Divided by 9

K=3/9

Answer Link

Otras preguntas

What habitat does the red knot prefer

What should you do before suctioning a child who has an upper airway obstruction? A) determine if there is blood or debris in the airway B) give corticosteroids

what is the times table

A rectangle has a perimeter of 42 feet and a height of 14 feet. What is the length of the base?

Can variability be determined with the fetoscope? 1) True 2) False

What is the common ratio of the sequence? 1,4,16,64

Which symptom is associated with alcohol-impaired driving? a. increased heart rate b. breathing difficulties c. reduced coordination d. hearing loss

True or False? Restricted speed doesn't apply when making a back-up movement.

How could you determine the conductivity of a piece of material? a) Observe its color b) Smell it c) See which piece conducts an electric current d) Measure its

12 Daniel has a blog about how garages buy and sell cars. The scatter diagram gives information about the amount garages pay for one type of car depending on it