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drek231 [11]
3 years ago
14

ANSWER I WILL GIVE U BRIANLIEST!!!

Mathematics
2 answers:
bonufazy [111]3 years ago
6 0

Answer:

x = 9

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 the condition y = 9 when x = - 3

9 = - 3k ( divide both sides by - 3 )

- 3 = k

y = - 3x ← equation of variation

When y = - 27 , then

- 27 = - 3x ( divide both sides by - 3 )

9 = x

KIM [24]3 years ago
4 0

Answer:

9

Step-by-step explanation:

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3 years ago
Are 6:20 and 9:10 equivalent ratios
velikii [3]

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No

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Find a common factor:

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7 0
3 years ago
Read 2 more answers
Select the graph that represents two quantities in a proportional relationship
dlinn [17]

The correct answer is option D.It is the graph that represents two quantities in a proportional relationship.

<h3>What is a graph?</h3>

A graph is the representation of the data on the vertical and horizontal coordinates so we can see the trend of the data.

As we can see graph D is showing the correct proportionality. We can also create an equation of proportionality as:-

Y = 2x

Put y = 0.5

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3 0
2 years ago
Find the distance between the two points (2, -9) and (-1, 4) round to the nearest tenth .
QveST [7]

Answer:

13.3 units (nearest tenth)

Step-by-step explanation:

\boxed{Distance \: between \: 2 \: points =  \sqrt{ {(x1 - x2)}^{2} +  {(y1 - y2)}^{2}  } }

Using the formula above, distance

=  \sqrt{ {[2 - ( - 1)]}^{2}  + ( - 9 - 4)^{2} }

=  \sqrt{ {(2 + 1)}^{2} + ( - 13) {}^{2}  }

= \sqrt{ {3}^{2} + ( - 13) {}^{2}  }

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=  \sqrt{178}

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7 0
3 years ago
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