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3 years ago

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Which equation represents a proportional relationship? y = 3x y=2(x+1/3) y=−3x+2 y=12x

2 answers:

solniwko [45]3 years ago

7 0

Answer:

two equations

y=3x

and y=12x

are proportional relation ship equations

Step-by-step explanation:

proportion equations can be defined as

if we change x the y will change in same proportion

proportional relationship equation contain (0,0) points

if we put x=o

this will give us

y=0

if we put x=0

in y=12x

it will give

y=0

put if we put x=0 in

y=3x

it will give us

y=0

hence these two equation represent proportional relationship.

madreJ [45]3 years ago

6 0

The equation y = 3x and y = 12x <span>represents a proportional relationship.
Because i</span>n a proportional relationship, the graph should pass the 0,0 coordinate.
It means if you put x=0 to the equation, the result would be y=0. The graph will go in format of y=mx and if we put x = 0 in both equations we get y = 0
and in other two equations if you put x = 0 you will not get y = 0.

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sleet_krkn [62]

Answer:

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Step-by-step explanation:

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The formula to compute the expected value of a random variable <em>X</em> is:

$E(X)=\sum x\cdot P(X=x)$

The random variable <em>X</em> in this case can be defined as the amount won in playing the game.

The probability distribution of <em>X</em> is as follows:

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$E(X)=\sum x\cdot P(X=x)$

$=(1\times \frac{1}{6})+(4\times \frac{1}{6})+(7\times \frac{1}{6})+(10\times \frac{1}{6})+(-8.75\times \frac{1}{6})+(-8.75\times \frac{1}{6})$

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<img src="https://tex.z-dn.net/?f=n%20%3D%2020" id="TexFormula1" title="n = 20" alt="n = 20" align="absmiddle" class="latex-form

devlian [24]

Answer:

s=10

Step-by-step explanation:

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<u>First, we find the range:</u>

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<u>Next, divide the range by 4 to get the standard deviation</u>

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