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kolbaska11 [484]
4 years ago
5

ANSWER FIRST GET BRAINLIEST

Mathematics
2 answers:
gtnhenbr [62]4 years ago
6 0

Answer:

(90,60)

Step-by-step explanation:

If you plot each point on the graph only the point (90,60) would fall on that line.

Papessa [141]4 years ago
3 0

Answer:  

Last option: (90, 60)

Step-by-step explanation:

We can solve this easily if we just notice that the point (90, 60) can be get by multiplying by 2 both the x-coordinate and y-coordinate of the given point (45, 30) :

90 is 2*45 and 60 is also 2*30

We can verify also that the following is a true proportion:

\displaystyle\frac{90}{60}=\frac{45}{30}

Since when we simplify both fractions (the first fraction is simplified by dividing both top and bottom by 30 and the second fraction by dividing both top and bottom by 15) we get:

\displaystyle\frac{3}{2}=\frac{3}{2}

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Consider a set of one-dimensional points: 6, 12, 18, 24, 30, 42, 48.
Vinvika [58]

Answer:

1) With initial centroids 10-40, final clusters are

first cluster (6,12,18,24,30)

second cluster (42,48)

And the Sum of Squared Errors (SSE) for the clustering result is 378

2) With initial centroids 10-20, final clusters are

first cluster (6,12,18,24)  

second cluster (30,42,48)

And the Sum of Squared Errors (SSE) for the clustering result is 348

Step-by-step explanation:

K-means works as follows

  • the points will be clustered according to their distance to the centroids.
  • Then centroids are updated as the cluster means.
  • This process continues until clusters doesn't change anymore

1)  <u><em>initial centroids</em></u> 10-40

first cluster (6,12,18,24)  mean:15

second cluster (30,42,48) mean:40

<u><em>new centroids</em></u> 15-40

first cluster (6,12,18,24,30) mean:18

second cluster (42,48) mean:45

<u><em>final centroids</em></u> 18-45

first cluster (6,12,18,24,30) mean:18

second cluster (42,48) mean:45

Sum of Squared errors = (18-6)^{2}+(18-12)^{2}+(18-18)^{2}+(18-24)^{2}+(18-30)^{2}+(45-42)^{2}+(45-48)^{2}=378

2)<u><em>initial centroids</em></u> 10-20

first cluster (6,12)  mean:9

second cluster (18,24,30,42,48)  mean:32.4

<u><em>new centroids</em></u> 9-32.4

first cluster (6,12,18) mean:12

second cluster (24,30,42,48) mean:36

<u><em>new centroids</em></u> 12-36

first cluster (6,12,18,24) mean:15

second cluster (30,42,48) mean:40

<u><em>final centroids</em></u> 15-40

first cluster (6,12,18,24) mean:15  

second cluster (30,42,48) mean:40

Sum of Squared errors = (15-6)^{2}+(15-12)^{2}+(15-18)^{2}+(15-24)^{2}+(40-30)^{2}+(40-42)^{2}+(40-48)^{2}=348

6 0
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Solve for the missing information given that the two triangles in each question are similar ​
Mrrafil [7]
Please provide a picture or more explanation
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3 years ago
If the area of quadrilateral SODA is 60, find the value for a
Yuri [45]

Answer: the answer is 7

Step-by-step explanation:

Area of quadrilateral= Length x Width

a+5 times a-2 = 60 which is the area

7+5 times 7-2= 60

12 times 5= 60

Therefore, a equals 7

8 0
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Whats1:1/4 plus 2/3/4
monitta
The answer would be 4. If you turn it to decimals, which would be 1.25 and 2.75, added together, it would be 4.
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What is the name for the total area of the surface of a solid? prism area net area surface area facial area
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Answer:

I believe it is surface area

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