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lana66690 [7]
3 years ago
7

Which equation represents a proportional situation?

Mathematics
1 answer:
liq [111]3 years ago
6 0

Answer:

y=3x

Step-by-step explanation:

A proportional situation is a situation the crosses through the origin or (0,0). This means its starting value for y-intercept value is 0. It has the form y=mx for this reason. The solution is y=3x.

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I need help because I am so bad at algebra and it makes me cry every time
Natalka [10]
ST is not he midpoint of SN because y=15 and if you plug in you get SN to be 150 but ST is only 64 which is not half of 150
6 0
3 years ago
Two vans leave a campground at the
klasskru [66]

Answer:

92 mph

Step-by-step explanation:

Let the speed of the van travelling south  

=

v

mph  

The distance travelled by the car travelling north is

d

1

=

10

⋅

2.5

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25

The distance travelled by the car travelling south is

d

2

=

v

⋅

2.5

=

2.5

v

The distance between the cars after  

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h

is

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1

+

d

2

=

255

25

+

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v

=

255

2.5

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−

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=

230

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230

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=

92

mph

The speed is  

=

92

mph

4 0
3 years ago
What value of x makes the equation true ? 4(2x-4)=16
otez555 [7]
4(2x-4) = 16
4*2x - 4*4 = 16
8x - 16 = 16
8x = 16 + 16
8x = 32 / : 8
x = 4

7 0
3 years ago
Read 2 more answers
Write the set builder notation {8}
timofeeve [1]

Step-by-step explanation:

\{8 \} =  \{x : x = n, \: n \in \:N, \:   \: 7 < n > 9 \: \}

5 0
4 years ago
1. Consider the data set 1,2,3,4,5,6,7,8,9.
ivanzaharov [21]

Answer:  a) Mean = 5, Median = 5

b) Mean = 15, Median = 5

c) Due to presence of outlier i.e. 99.

Step-by-step explanation:

Since we have given that

1,2,3,4,5,6,7,8,9

Here, n = 9 which is odd

So, Mean would be

\dfrac{1+2+3+4+5+6+7+8+9}{9}=\dfrac{45}{9}=5

Median = (\dfrac{n+1}{2})^{th}=\dfrac{9+1}{2}=5^{th}=5

If 9 is replaced by 99,

1,2,3,4,5,6,7,8,99

So, mean would be

\dfrac{1+2+3+4+5+6+7+8+99}{9}=\dfrac{135}{9}=15

Median would be same as before i.e. 5

The mean is neither central nor typical for the data due to outlier i.e. 99

Hence, a) Mean = 5, Median = 5

b) Mean = 15, Median = 5

c) Due to presence of outlier i.e. 99.

5 0
3 years ago
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