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Mathematics, 15.07.2020 17:01 fjsdfj1284

If y varies directly with x, find the missing value below. (9, 36) and (x, -24) Then enter only your numerical answer (without units) below to check.

Answers

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Answer from: DanteMadrid33

x = - 6

Step-by-step explanation:

Given y varies directly with x then the equation relating them is

y = kx ← k is the constant of variation

To find k use (9, 36), that is x = 9, y = 36

36 = 9k ( divide both sides by 9 )

4 = k

y = 4x ← equation of variation

Using (x, - 24 ), that is find x when y = - 24

- 24 = 4x ( divide both sides by 4 )

x = - 6

ansver
Answer from: Triciamorrison

x = - 6

Step-by-step explanation:

Given y varies directly with x then the equation relating them is

y = kx ← k is the constant of variation

To find k use (9, 36), that is x = 9, y = 36

36 = 9k ( divide both sides by 9 )

4 = k

y = 4x ← equation of variation

Using (x, - 24 ), that is find x when y = - 24

- 24 = 4x ( divide both sides by 4 )

x = - 6

ansver
Answer from: meganwintergirl
4 and 2
Hope that helps
ansver
Answer from: travisvb
4:1 = 20:y

y = 20/4 = 5

hope it helps!
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Answer from: TrueMonster8911

Direct variation describes - roughly - a relationship between two values where scaling one value will scale the other by the same amount. The x value doubles as it goes from 5 to 10, and since y varies directly as x, we can double the old y value to get the new one as well. Since the old y value is 8, our new y value should be 8 x 2 = 16.

ansver
Answer from: freshboiced7

Step-by-step expl

Developer Response:

はい、私は最初の文が冗談だった答えを本当に知りません。真剣に受け止めないでください。

ansver
Answer from: AyeSmoky

The value of y would be 45.5

Step-by-step explanation:

To solve this problem, start with the base form of direct variation.

y = kx

Now we can use our original values to model the equation and find k.

35 = k(2.5)

14 = k

Now we can model the equation as:

y = 14x

Now to find y, when x = 3.25, simply put 3.25 into the equation.

y = 14(3.25)

y = 45.5

ansver
Answer from: micahpauleen748

Y = 5.

Step-by-step explanation:

20/4 = 5.1 x 5 = 5.Y = 5.

These are all of the steps to completely find the correct answer to your question.

Hope this helps!!!

Kyle.

ansver
Answer from: kelchalyssa
Did gftsrdt day goyxtxtcoh go
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Answer from: braphi5609
So if we see the first one (8,4) x=8 and y=4

And we see the 2nd one (4,y)  x=4 and y=?

We notice that the value of x its been halved. So y varies with x so y value also has to be halved so y= 2

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