3 years ago

Fifty Points and Brainliest! Select all that have a proportional relationship:

Mathematics

1 answer:

klasskru [66]3 years ago

5 0

Answer:

B and D both have a proportional relationship

Step-by-step explanation:

Please give brainliest

<u>Your Welcome</u> :)

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Read 2 more answers

The value of y varies directly as the square of x and y=27 when x=9. Find the equation represents this relationship. Report the

skad [1K]

Answer:

The relation between x and y is

$y=\frac13 x^2$

Step-by-step explanation:

Given that,

The value of y varies directly as the square of x.

$y\propto x^2$

$\Rightarrow y=rx^2$

where r is constant of proportional.

Given that,

y= 27 and x=9

Plug y= 27 and x=9 in above relation

$y=rx^2$

$\therefore 27=r(9)^2$

$\Rightarrow 27 = r.81$

$\Rightarrow r=\frac{27}{81}$

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The relation between x and y is

$y=\frac13 x^2$

8 0

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