mckennaj2008 mckennaj2008

02-02-2021
Mathematics

contestada

Which equation has a constant of proportionality equal to 7?
A
4y = 28%
7y=28%
С
28y=4%
D
28y = 7x

Respuesta :

elcharly64 elcharly64

03-02-2021

Answer:

The correct choice is A

Step-by-step explanation:

Proportionality

Two variables x and y are proportional if:

y = kx

where k is the constant of proportionality.

We are given that the constant of proportionality of 7, thus the equation is:

y = 7x

Multiplying by 4:

4y = 28x

It's apparent the correct choice is A

Answer Link

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