genloufieldd genloufieldd

25-04-2020
Mathematics

contestada

Suppose that y varies directly with x, and y=4 when x=20. find y when x=9

Respuesta :

valleybritney valleybritney

25-04-2020

Answer:

y = 1.8

Step-by-step explanation:

y=kx

4=k(20)

k=[tex]\frac{1}{5}[/tex]

When x = 9:

[tex]y=\frac{1}{5} x=\frac{1}{5} (9)\\y=(\frac{9}{5}) = 1.8[/tex]

Answer Link

Otras preguntas

Initially, why is lago upset with Cassio's promotion to Lieutenant?

Can someone help me with this question

I just need an idea for what to write!

How do you think new proteins affect the fitness of children? They have no effect on fitness They increase fitness They decrease fitness All of the above

Given the function defined in the table below, find the average rate of change, in simplest form, of the function over the interval 4 ≤ x ≤ 7 4≤x≤7.

There are approximately 150 public and private airports in Georgia. How do these airports impact the state economically? A. The large number of airports attract

Who suggested the Earth must be over 6,000 years old, because of all the geological changes?

Which of the following is an irrational number? -7 , 7/101, -1/3, pi

Which of the following best describes area? A. Distance B. Cover C. Fill D. Time

In problem formulation, the a. constraints are expressed in terms of the obtained objective function coefficients. b. objective is expressed in terms of the dec